{"id":8165,"date":"2021-09-27T15:53:37","date_gmt":"2021-09-27T19:53:37","guid":{"rendered":"http:\/\/149.4.100.129\/mqr\/?page_id=8165"},"modified":"2021-09-30T10:18:49","modified_gmt":"2021-09-30T14:18:49","slug":"mqr-chemistry","status":"publish","type":"page","link":"https:\/\/www.qc.cuny.edu\/mqr\/mqr-chemistry\/","title":{"rendered":"Chemistry"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.4.5&#8243; custom_padding=&#8221;||54px|||&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.9.1&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.4.5&#8243; global_colors_info=&#8221;{}&#8221;][dsm_text_divider header=&#8221;Chemistry&#8221; color=&#8221;#000000&#8243; divider_style=&#8221;double&#8221; divider_weight=&#8221;5px&#8221; _builder_version=&#8221;4.10.8&#8243; _module_preset=&#8221;default&#8221; header_font=&#8221;Open Sans|700|||||||&#8221; header_text_align=&#8221;center&#8221; header_font_size=&#8221;35px&#8221; module_alignment=&#8221;center&#8221; global_colors_info=&#8221;{}&#8221;][\/dsm_text_divider][et_pb_accordion open_toggle_text_color=&#8221;#E71939&#8243; open_toggle_background_color=&#8221;#ffffff&#8221; closed_toggle_background_color=&#8221;#ffffff&#8221; icon_color=&#8221;#e71939&#8243; _builder_version=&#8221;4.10.8&#8243; _module_preset=&#8221;default&#8221; toggle_text_color=&#8221;#E71939&#8243; toggle_font=&#8221;Open Sans|600|||||||&#8221; body_font=&#8221;Open Sans||||||||&#8221; body_text_color=&#8221;#000000&#8243; body_font_size=&#8221;16px&#8221; hover_enabled=&#8221;0&#8243; border_color_all=&#8221;#000000&#8243; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;][et_pb_accordion_item title=&#8221;SI Prefixes &amp; Metric System Conversion&#8221; open=&#8221;on&#8221; _builder_version=&#8221;4.10.8&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p><span style=\"text-decoration: underline\"><strong>SI Prefixes, Study Guide<br \/><\/strong><\/span><a href=\"https:\/\/physics.nist.gov\/cuu\/Units\/prefixes.html\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<\/a><\/p>\n<ul>\n<li>This <strong>study guide<\/strong> outlines the <strong>20 SI (International System of Units)<\/strong> prefixes used to form decimal multiples and submultiples.<\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline\"><strong>Mnemonic Device to Remember SI Prefixes<br \/><\/strong><\/span><a href=\"https:\/\/www.youtube.com\/watch?v=jfFPcfuRDqo\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<\/a><\/p>\n<ul>\n<li>This<strong> video<\/strong> presents a mnemonic device to remember the <strong>12 International System of Units (SI) prefixes<\/strong>: <strong>T<\/strong>era, <strong>G<\/strong>iga, <strong>M<\/strong>ega, <strong>k<\/strong>ilo, <strong>h<\/strong>ecto, <strong>d<\/strong>ec<strong>a<\/strong>, <strong>d<\/strong>eci, <strong>c<\/strong>enti, <strong>m<\/strong>ili, <strong>m<\/strong>icro (<strong>\u03bc<\/strong>), <strong>n<\/strong>ano and <strong>p<\/strong>ico: <strong>T<\/strong>he <strong>G<\/strong>reat <strong>M<\/strong>an <strong>k<\/strong>ing<strong> h<\/strong>enry\u2019s <strong>da<\/strong>ughter Betsy <strong>d<\/strong>rinks <strong>c<\/strong>old <strong>m<\/strong>ilk <strong>\u03bc<\/strong>ntil <strong>n<\/strong>ine <strong>p<\/strong>m.<\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline\"><strong>Conversion of Metric Units Using the \u201cMetric Staircase\u201d<br \/><\/strong><\/span><a href=\"https:\/\/www.youtube.com\/watch?v=UOWn8kX1K4E\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<\/a><\/p>\n<ul>\n<li>This <strong>video<\/strong> explains how to <strong>convert<\/strong> between <strong>metric units of measure<\/strong> using a<strong> visual aid: &#8220;The Metric Staircase.&#8221;<\/strong><\/li>\n<li>This <strong>Biology<\/strong> lesson, written by <strong>Ilysse Baum<\/strong> shows how the &#8220;<strong>Metric Staircase<\/strong>&#8221; can also be applied to the <a href=\"#\" target=\"_blank\" rel=\"noopener\">conversion of ocular micrometers<\/a>.<\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline\"><strong>Conversion Between Metric Units Using the SI Prefixes<br \/><\/strong><\/span><a href=\"https:\/\/www.khanacademy.org\/math\/geometry-home\/geometry-volume-surface-area\/geometry-volume-rect-prism\/v\/conversion-between-metric-units\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<\/a><\/p>\n<ul>\n<li>This<strong> video<\/strong> provides a comprehensive overview of how to convert <strong>metric quantities<\/strong> using the <strong>base unit, liter,<\/strong> and the <strong>SI prefixes milli-<\/strong>, <strong>centi-<\/strong>, <strong>deci-<\/strong>, <strong>deca-<\/strong>, <strong>hecto-<\/strong>, and <strong>kilo-<\/strong>.<\/li>\n<\/ul>\n<p>[\/et_pb_accordion_item][et_pb_accordion_item title=&#8221;Temperature Scales &amp; Density&#8221; _builder_version=&#8221;4.10.8&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; open=&#8221;off&#8221;]<\/p>\n<p><span style=\"text-decoration: underline\"><strong>Comparing Celsius and Fahrenheit Temperature Scales<br \/><\/strong><\/span><a href=\"https:\/\/www.khanacademy.org\/math\/8th-engage-ny\/engage-8th-module-4\/8th-module-4-topic-d\/v\/comparing-celsius-and-farenheit-temperature-scales\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<\/a><\/p>\n<ul>\n<li>This <strong>video<\/strong> compares the <strong>Celsius<\/strong> and <strong>Fahrenheit<\/strong> temperature scales, and explains that the <strong>boiling point<\/strong> of water is 212\u00b0 <strong>Fahrenheit<\/strong> and 100\u00b0 <strong>Celsius<\/strong>, and the <strong>freezing point<\/strong> of water is 32\u00b0 <strong>Fahrenheit<\/strong> and 0\u00b0 <strong>Celsius.<\/strong><\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline\"><strong>Converting Fahrenheit to Celsius<br \/><\/strong><\/span><a href=\"https:\/\/www.khanacademy.org\/math\/8th-engage-ny\/engage-8th-module-4\/8th-module-4-topic-d\/v\/converting-farenheit-to-celsius\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<\/a><\/p>\n<ul>\n<li>This <strong>video<\/strong> explains how to convert <strong>temperatures<\/strong> in degrees <strong>Fahrenheit<\/strong> to temperatures in degrees<strong> Celsius<\/strong>.<\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline\"><strong>Reference Guide, Celsius to Fahrenheit Conversion, Table and Formula<br \/><\/strong><\/span><a href=\"https:\/\/immigrationroad.com\/life-in-us\/easy-card-reference\/Fahrenheit-to-Celsius-Conversion-Table.pdf\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<\/a><\/p>\n<ul>\n<li>This reference guide shows how to convert <strong>Celsius and Fahrenheit temperatures.<\/strong><\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline\"><strong>Converting Between Units of Temperature &#8211; Celsius to Fahrenheit to Kelvin<br \/><\/strong><\/span><a href=\"https:\/\/www.youtube.com\/watch?v=6qiYcyhI158\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<\/a><\/p>\n<ul>\n<li>This <strong>video<\/strong> outlines the following conversions: <strong>Fahrenheit to Celsius and vice versa<\/strong>, and <strong>Celsius to Kelvin and vice versa<\/strong>. It also covers the <strong>temperature at which Celsius equals Fahrenheit,<\/strong> and <strong>absolute zero<\/strong>.<\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline\"><strong>Absolute Temperature and the Kelvin Scale<br \/><\/strong><\/span><a href=\"https:\/\/www.khanacademy.org\/science\/in-in-class11th-physics\/in-in-thermal-properties-of-matter\/in-in-temp-kinetic-theory-ideal-gas-law\/v\/absolute-temperature-and-the-kelvin-scale\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<\/a><\/p>\n<ul>\n<li>This <strong>video<\/strong> compares the boiling and freezing points on the <strong>Fahrenheit, Celsius,<\/strong> and <strong>Kelvin<\/strong> scales. It also describes how to <strong>convert<\/strong> between these temperature scales.<\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline\"><strong>Boiling Point Elevation and Freezing Point Depression<br \/><\/strong><\/span><a href=\"https:\/\/www.khanacademy.org\/science\/chemistry\/states-of-matter-and-intermolecular-forces\/mixtures-and-solutions\/v\/boiling-point-elevation-and-freezing-point-supression\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<\/a><\/p>\n<ul>\n<li>This <strong>video<\/strong> defines <strong>boiling point elevation<\/strong> as the raising of a solvent&#8217;s boiling point due to the addition of a solute, and <strong>freezing point depression<\/strong> as the lowering of a solvent&#8217;s freezing point due to the addition of a solute. As the <strong>boiling point of a solvent increases,<\/strong> its <strong>freezing point decreases.<\/strong><\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline\"><strong>Boiling Point Elevation and Freezing Point Depression, Examples<br \/><\/strong><\/span><a href=\"https:\/\/www.youtube.com\/watch?v=KHUs7_N8gQ0\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<\/a><\/p>\n<ul>\n<li>This <strong>video<\/strong> provides <strong>examples<\/strong> and <strong>practice problems<\/strong> on <strong>boiling point elevation<\/strong> and <strong>freezing point depression<\/strong>. In addition, this video also shows how to <strong>determine which solution<\/strong> will have the <strong>highest boiling point. <\/strong><\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline\"><strong>Mass vs. Weight, Study Guide<br \/><\/strong><\/span><a href=\"https:\/\/www.nyu.edu\/pages\/mathmol\/textbook\/weightvmass.html\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<\/a><\/p>\n<ul>\n<li>This <strong>study guide<\/strong> highlights the <strong>difference<\/strong> between <strong>mass and weight<\/strong>, and provides <strong>fields<\/strong> to <strong>input mass and weight on various planets.<\/strong><\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline\"><strong>Temperature vs. Heat<br \/><\/strong><\/span><a href=\"https:\/\/www.youtube.com\/watch?v=YeEIGJ7ouhU\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<\/a><\/p>\n<ul>\n<li>This <strong>video<\/strong> explains how <strong>temperature<\/strong> is different than <strong>heat<\/strong>, and uses an example to explain why <strong>substances with the same temperature can feel hotter or cooler than each other.<\/strong><\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline\"><strong>The Difference Between Temperature and Heat, Study Guide<br \/><\/strong><\/span><a href=\"https:\/\/www.physicstutorials.org\/home\/heat-temperature-and-thermal-expansion\/heat-and-heat-vs-temperature\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<\/a><\/p>\n<ul>\n<li>This <strong>study guide<\/strong> explores the <strong>difference<\/strong> between <strong>temperature and heat,<\/strong> and defines the <strong>heat equation.<\/strong><\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline\"><strong>Intensive vs. Extensive Properties<br \/><\/strong><\/span><a href=\"https:\/\/www.youtube.com\/watch?v=m0IH3Hgy3oI\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<\/a><\/p>\n<ul>\n<li>This <strong>video<\/strong> explains the difference between<strong> intensive properties<\/strong> and <strong>extensive properties.<\/strong> <strong>Intensive properties<\/strong> do not depend on the quantity of matter (i.e. <strong>density<\/strong>). <strong>Extensive properties<\/strong> do depend on sample size (i.e. <strong>volume, mass,<\/strong> etc.).<\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline\"><strong>Intensive vs. Extensive Properties, Study Guide<br \/><\/strong><\/span><a href=\"http:\/\/www.eng.usf.edu\/~campbell\/ThermoI\/Proptut\/tut2.html\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<\/a><\/p>\n<ul>\n<li>This<strong> study guide<\/strong> defines and provides examples of <strong>intensive<\/strong> and <strong>extensive<\/strong> properties.<\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline\"><strong>The Relationship Between Mass, Volume, and Density (The Density Triangle)<br \/><\/strong><\/span><a href=\"https:\/\/www.youtube.com\/watch?v=if2aH9OKZLU\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<\/a><\/p>\n<ul>\n<li>This video provides an explanation of the definition of density (density = mass\/volume) using a visual aid: a density triangle.<\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline\"><strong>Practice Problems Involving Density<br \/><\/strong><\/span><a href=\"https:\/\/www.youtube.com\/watch?v=RQ4fPeZov40\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<\/a><\/p>\n<ul>\n<li>This <strong>video<\/strong> provides an <strong>explanation<\/strong> of what <strong>density<\/strong> is, and includes three <strong>examples<\/strong> for <strong>calculating density, mass,<\/strong> and <strong>volume.<\/strong><\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline\"><strong>Calculating Density and Specific Gravity, Study Guide<br \/><\/strong><\/span><a href=\"https:\/\/serc.carleton.edu\/mathyouneed\/density\/index.html\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<\/a><\/p>\n<ul>\n<li>This <strong>study guide<\/strong> provides an introduction to <strong>density, determining density, calculating specific gravity,<\/strong> and the <strong>uses of density in the geosciences.<\/strong><\/li>\n<\/ul>\n<p>[\/et_pb_accordion_item][et_pb_accordion_item title=&#8221;Subatomic Particles&#8221; _builder_version=&#8221;4.10.8&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; open=&#8221;off&#8221;]<\/p>\n<p><span style=\"text-decoration: underline\"><strong>Relative Masses, Charges, and Positions of Protons, Neutrons, and Electrons<br \/><\/strong><\/span><a href=\"https:\/\/www.youtube.com\/watch?v=l7cyk4TqL2E\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<\/a><\/p>\n<ul>\n<li>This <strong>video<\/strong> defines the charges of the three subatomic particles: <strong>proton (p): +1, neutron (n): 0<\/strong>, and <strong>electron (e-): -1<\/strong>. It also explains that <strong>protons<\/strong> and <strong>neutrons<\/strong> are <strong>heavier<\/strong> than <strong>electrons<\/strong> and reside in the <strong>nucleus, at the center of the atom.<\/strong> <strong>Electrons<\/strong> are relatively lightweight and exist in a <strong>cloud orbiting the nucleus.<\/strong><\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline\"><strong>Properties of Protons, Neutrons, and Electrons, Study Guide<br \/><\/strong><\/span><a href=\"https:\/\/chem.libretexts.org\/Bookshelves\/Introductory_Chemistry\/Map%3A_Introductory_Chemistry_(Tro)\/04%3A_Atoms_and_Elements\/4.04%3A_The_Properties_of_Protons_Neutrons_and_Electrons\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<\/a><\/p>\n<ul>\n<li>This <strong>study guide<\/strong> defines the three main subatomic particles: <strong>protons, electrons,<\/strong> and <strong>neutrons.<\/strong> It also describes the <strong>locations, charges,<\/strong> and <strong>masses<\/strong> of <strong>protons, neutrons,<\/strong> and <strong>electrons,<\/strong> and describes how to <strong>determine the number of protons and electrons in an atom.<\/strong><\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline\"><strong>Charged Particles in Matter, Study Guide<br \/><\/strong><\/span><a href=\"https:\/\/www.toppr.com\/guides\/chemistry\/structure-of-atom\/charged-particles-in-matter\/\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<\/a><\/p>\n<ul>\n<li>This <strong>study guide<\/strong> provides a comprehensive <strong>overview<\/strong> of the following topics: <a href=\"https:\/\/www.toppr.com\/guides\/chemistry\/structure-of-atom\/introduction-to-structure-of-atom\/\" target=\"_blank\" rel=\"noopener\" title=\"Introduction: Structure of Atom\">Introduction: Structure of Atom<\/a>,<a href=\"https:\/\/www.toppr.com\/guides\/chemistry\/structure-of-atom\/atomic-number\/\" target=\"_blank\" rel=\"noopener\" title=\"Atomic Number\"> Atomic Number<\/a>, <a href=\"https:\/\/www.toppr.com\/guides\/chemistry\/structure-of-atom\/bohrs-model-of-atom\/\" target=\"_blank\" rel=\"noopener\" title=\"Bohr\u2019s Model of Atom\">Bohr\u2019s Model of Atom<\/a>, <a href=\"https:\/\/www.toppr.com\/guides\/chemistry\/structure-of-atom\/isobars\/\" target=\"_blank\" rel=\"noopener\" title=\"Isobars\">Isobars<\/a>, <a href=\"https:\/\/www.toppr.com\/guides\/chemistry\/structure-of-atom\/isotopes\/\" target=\"_blank\" rel=\"noopener\" title=\"Isotopes\">Isotopes<\/a>, <a href=\"https:\/\/www.toppr.com\/guides\/chemistry\/structure-of-atom\/mass-number\/\" target=\"_blank\" rel=\"noopener\" title=\"Mass Number\">Mass Number<\/a>, <a href=\"https:\/\/www.toppr.com\/guides\/chemistry\/structure-of-atom\/neutrons\/\" target=\"_blank\" rel=\"noopener\" title=\"Neutrons\">Neutrons<\/a>, <a href=\"https:\/\/www.toppr.com\/guides\/chemistry\/structure-of-atom\/rutherfords-model-of-an-atom\/\" target=\"_blank\" rel=\"noopener\" title=\"Rutherford\u2019s Model of an Atom\">Rutherford\u2019s Model of an Atom<\/a>, <a href=\"https:\/\/www.toppr.com\/guides\/chemistry\/structure-of-atom\/thomsons-model-of-an-atom\/\" target=\"_blank\" rel=\"noopener\" title=\"Thomson\u2019s Model of an Atom\">Thomson\u2019s Model of an Atom<\/a>, <a href=\"https:\/\/www.toppr.com\/guides\/chemistry\/structure-of-atom\/valency\/\" target=\"_blank\" rel=\"noopener\" title=\"Valency\">Valency<\/a>, <a href=\"https:\/\/www.toppr.com\/guides\/chemistry\/structure-of-atom\/electrons-distributed-orbits-shells-electronic+configuration\/\" target=\"_blank\" rel=\"noopener\" title=\"How are Electrons Distributed in Different Orbits (Shells)?\">How are Electrons Distributed in Different Orbits (Shells)?<\/a>, <a href=\"https:\/\/www.toppr.com\/guides\/chemistry\/structure-of-atom\/sub-atomic-particles\/\" target=\"_blank\" rel=\"noopener\" title=\"Sub-Atomic Particles\">Sub-Atomic Particles<\/a>, <a href=\"https:\/\/www.toppr.com\/guides\/chemistry\/structure-of-atom\/atomic-models\/\" target=\"_blank\" rel=\"noopener\" title=\"Atomic Models\">Atomic Models<\/a>, <a href=\"https:\/\/www.toppr.com\/guides\/chemistry\/structure-of-atom\/shapes-of-atomic-orbitals\/\" target=\"_blank\" rel=\"noopener\" title=\"Shapes of Atomic Orbitals\">Shapes of Atomic Orbitals<\/a>, <a href=\"https:\/\/www.toppr.com\/guides\/chemistry\/structure-of-atom\/energies-of-orbitals\/\" target=\"_blank\" rel=\"noopener\" title=\"Energies of Orbitals\">Energies of Orbitals<\/a>, <a href=\"https:\/\/www.toppr.com\/guides\/chemistry\/structure-of-atom\/quantum-numbers\/\" target=\"_blank\" rel=\"noopener\" title=\"Quantum Numbers\">Quantum Numbers<\/a>, <a href=\"https:\/\/www.toppr.com\/guides\/chemistry\/structure-of-atom\/development-leading-to-bohrs-model-of-atom\/\" target=\"_blank\" rel=\"noopener\" title=\"Development Leading to Bohr\u2019s Model of Atom\">Development Leading to Bohr\u2019s Model of Atom<\/a>, <a href=\"https:\/\/www.toppr.com\/guides\/chemistry\/structure-of-atom\/emission-and-absorption-spectra\/\" target=\"_blank\" rel=\"noopener\" title=\"Emission and Absorption Spectra\">Emission and Absorption Spectra<\/a>, <a href=\"https:\/\/www.toppr.com\/guides\/chemistry\/structure-of-atom\/towards-quantum-mechanical-model-of-atom\/\" target=\"_blank\" rel=\"noopener\" title=\"Towards Quantum Mechanical Model of Atom\">Towards Quantum Mechanical Model of Atom<\/a>.<\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline\"><strong>Atomic Number and Atomic Mass on the Periodic Table<br \/><\/strong><\/span><a href=\"https:\/\/www.youtube.com\/watch?v=YKZv9bsFD3w\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<\/a><\/p>\n<ul>\n<li>This <strong>video<\/strong> shows how to read the <strong>periodic table of elements.<\/strong> It defines the <strong>atomic number<\/strong> as the <strong>number of protons in the nucleus of an atom.<\/strong> It defines <strong>atomic mass<\/strong> as the <strong>mass of an atom<\/strong> of a chemical element expressed in <strong>atomic mass units.<\/strong> It is approximately equivalent to the number of protons and neutrons in the atom (the mass number) or to the average number allowing for the relative abundances of different isotopes.<\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline\"><strong>The Difference Between Atomic Number, Mass Number, and the Average Atomic Mass<\/strong><\/span><br \/><a href=\"https:\/\/www.youtube.com\/watch?v=65dDZulPhtg\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<\/a><\/p>\n<ul>\n<li>This <strong>video<\/strong> explains how to calculate the number of <strong>protons, neutrons,<\/strong> and <strong>electrons<\/strong> in an<strong> atom<\/strong> or in an <strong>ion.<\/strong> It also explains the difference between<strong> atomic number, mass number,<\/strong> and the <strong>average atomic mass<\/strong> for the isotopes of the elements in the <strong>periodic table. <\/strong><\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline\"><strong>Naming Covalent Molecular Compounds<\/strong><\/span><br \/><a href=\"https:\/\/www.youtube.com\/watch?v=3agUL7-ezXk\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<\/a><\/p>\n<ul>\n<li>This <strong>video<\/strong> explains the process of naming <strong>covalent molecular compounds<\/strong> with <strong>prefixes.<\/strong><\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline\"><strong>Representing Molecules Both in a Structural Formula and a Bond Line Formula<br \/><\/strong><\/span><a href=\"https:\/\/www.youtube.com\/watch?v=GZzs1Pn6cR0\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<strong><\/strong><\/a><span style=\"text-decoration: underline\"><strong><br \/><\/strong><\/span><\/p>\n<ul>\n<li>This <strong>video<\/strong> illustrates the difference between <strong>structural<\/strong> and <strong>bond line formulas,<\/strong> and provides <strong>visualizations<\/strong> of both formulae.<\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline\"><strong>How to Draw Bond Line Structures<br \/><\/strong><\/span><a href=\"https:\/\/www.khanacademy.org\/science\/organic-chemistry\/gen-chem-review\/bond-line-structures\/v\/bond-line-structures-new\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<strong><\/strong><\/a><span style=\"text-decoration: underline\"><strong><br \/><\/strong><\/span><\/p>\n<ul>\n<li>This <strong>video<\/strong> teaches how to <strong>draw bond line structures, representations of molecular structure<\/strong> in which <strong>covalent bonds<\/strong> are represented with <strong>one line<\/strong> for <strong>each level<\/strong> of <strong>bond order.<\/strong><\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline\"><strong>Classification of Separation Techniques<br \/><\/strong><\/span><a href=\"https:\/\/chem.libretexts.org\/Bookshelves\/Analytical_Chemistry\/Analytical_Chemistry_2.1_(Harvey)\/07%3A_Obtaining_and_Preparing_Samples_for_Analysis\/7.06%3A_Classifying_Separation_Techniques\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<strong><\/strong><\/a><span style=\"text-decoration: underline\"><strong><br \/><\/strong><\/span><\/p>\n<ul>\n<li>This <strong>study guide<\/strong> classifies the following<strong> separation techniques<\/strong> as follows: <strong>Filtration\/Dialysis<\/strong> for <strong>Size: Exclusion Chromatography for Particle Size, Centrifugation<\/strong> for <strong>Mass or Density, Masking<\/strong> for <strong>Complex Formation, Distillation\/Sublimation\/Recrystallization<\/strong> for <strong>Change in Physical State, Precipitation\/Electrodeposition\/Volatilization<\/strong> for <strong>Change in Chemical State,<\/strong> and <strong>Extraction\/Chromatography<\/strong> for <strong>Partitioning Between Phases.<\/strong><\/li>\n<\/ul>\n<p>[\/et_pb_accordion_item][et_pb_accordion_item title=&#8221;Avogadro&#8217;s Number, The Mole &amp; Molar Mass&#8221; _builder_version=&#8221;4.10.8&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; open=&#8221;off&#8221;]<\/p>\n<p><span style=\"text-decoration: underline\"><strong>The Relationship of Moles to Atoms and Molecules<br \/><\/strong><\/span><a href=\"https:\/\/www.youtube.com\/watch?v=EowJsC7phzw\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<\/a><strong><\/strong><span style=\"text-decoration: underline\"><strong><br \/><\/strong><\/span><\/p>\n<ul>\n<li>This <strong>video<\/strong> explains the concept of <strong>moles<\/strong> and how it relates to <strong>mass in grams<\/strong> by the <strong>molar mass<\/strong> of a compound. It also explains how <strong>moles relate to atoms and molecules<\/strong> through <strong>Avogadro&#8217;s number.<\/strong><\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline\"><strong>The Mole and Avogadro\u2019s Number<br \/><\/strong><\/span><a href=\"https:\/\/www.khanacademy.org\/science\/chemistry\/atomic-structure-and-properties\/introduction-to-the-atom\/v\/the-mole-and-avogadro-s-number\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<strong><\/strong><\/a><span style=\"text-decoration: underline\"><strong><br \/><\/strong><\/span><\/p>\n<ul>\n<li>This <strong>video<\/strong> conceptualizes the <strong>definition<\/strong> of a <strong>mole<\/strong> of a substance as being equal to <strong>6.022 \u00d7 10\u00b2\u00b3 units<\/strong> of that substance (such as <strong>atoms, molecules, or ions<\/strong>). The number <strong>6.022 \u00d7 10\u00b2\u00b3<\/strong> is known as <strong>Avogadro&#8217;s number.<\/strong><\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline\"><strong>The Mole and Molar Mass, Study Guide<br \/><\/strong><\/span><a href=\"https:\/\/www.chemteam.info\/Mole\/MolarMass.html\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<strong><\/strong><\/a><span style=\"text-decoration: underline\"><strong><br \/><\/strong><\/span><\/p>\n<ul>\n<li>This <strong>study guide<\/strong> explains the concept of a <strong>mole,<\/strong> and provides <strong>examples<\/strong> of <strong>calculating the molar mass<\/strong> of: <strong>Al(NO3)3, Ba(SCN)2, CO, N2, Ar, HCl, CaSO4 \u22c5 1\u20442H2O, Ca(C2H3O2)2, (HOOCCH2)2NCH2CH2N(CH2COOH)2,<\/strong> and <strong>nitrogen.<\/strong><\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline\"><strong>Avogadro\u2019s Number, The Mole, Grams, Atoms, and Molar Mass Calculations<br \/><\/strong><\/span><a href=\"https:\/\/www.youtube.com\/watch?v=74-X94OP2XI\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<strong><\/strong><\/a><span style=\"text-decoration: underline\"><strong><br \/><\/strong><\/span><\/p>\n<ul>\n<li>This <strong>video<\/strong> focuses on <strong>Avogadro&#8217;s number<\/strong> and how it is used to convert <strong>moles to atoms.<\/strong> This video also explains how to calculate the <strong>molar mass of a compound,<\/strong> and how to<strong> convert from grams to moles.<\/strong><\/li>\n<\/ul>\n<p><strong><span style=\"text-decoration: underline\">Calculating the Molar Mass of a Compound<\/span><br \/><\/strong><a href=\"https:\/\/www.youtube.com\/watch?v=c_zHROisdP4&amp;t=1s\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<\/a><strong><br \/><\/strong><\/p>\n<ul>\n<li>This <strong>video<\/strong> explains how to calculate the <strong>molar mass of a compound,<\/strong> and provides various <strong>examples<\/strong> to find the <strong>molar mass<\/strong> of chemical compounds.<\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline\"><strong>Calculating the Molar Mass of a Compound in 3 Easy Steps<\/strong><\/span><br \/><a href=\"https:\/\/www.youtube.com\/watch?v=o3MMBO8WxjY\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<\/a><\/p>\n<ul>\n<li>This <strong>video<\/strong> explains how to calculate the <strong>molar mass of a compound,<\/strong> which is helpful especially in <strong>mole to gram conversions,<\/strong> in <strong>three easy steps.<\/strong><\/li>\n<\/ul>\n<p>[\/et_pb_accordion_item][et_pb_accordion_item title=&#8221;Percent Composition&#8221; _builder_version=&#8221;4.10.8&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; open=&#8221;off&#8221;]<\/p>\n<p><span style=\"text-decoration: underline\"><strong>Finding the Composition by Mass of Each Element in a Compound<\/strong><\/span><br \/><a href=\"https:\/\/www.youtube.com\/watch?v=bGmbyztdCHE\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<\/a><\/p>\n<ul>\n<li>This <strong>video<\/strong> explains how to find the <strong>composition by mass<\/strong> of each element in a compound. The <strong>molar mass<\/strong> of the entire compound must be found in order to <strong>calculate the mass percent of each element in the compound.<\/strong><\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline\"><strong>Calculating Mass Percent, Example<br \/><\/strong><\/span><a href=\"https:\/\/www.khanacademy.org\/science\/ap-chemistry-beta\/x2eef969c74e0d802:atomic-structure-and-properties\/x2eef969c74e0d802:elemental-composition-of-pure-substances\/v\/worked-example-calculating-mass-percent\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<\/a><strong><\/strong><span style=\"text-decoration: underline\"><strong><br \/><\/strong><\/span><\/p>\n<ul>\n<li>This <strong>video<\/strong> uses an example to calculate the <strong>mass percent of an element in a compound<\/strong> by <strong>dividing the mass of the element<\/strong> in<strong> 1 mole of the compound<\/strong> by the <strong>compound&#8217;s molar mass and multiply the result by 100.<\/strong><\/li>\n<\/ul>\n<p><strong><span style=\"text-decoration: underline\">Calculating Mass Percent, Example<\/span><br \/><\/strong><a href=\"https:\/\/www.khanacademy.org\/science\/chemistry\/chemical-reactions-stoichiome\/empirical-molecular-formula\/v\/molecular-mass-percentage\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<\/a><strong><br \/><\/strong><\/p>\n<p>This <strong>video<\/strong> shows how to calculate the <strong>mass percent of an element in a compound<\/strong> by <strong>dividing the mass of the element<\/strong> in <strong>1 mole of the compound<\/strong> by the<strong> compound&#8217;s molar mass and multiply the result by 100.<\/strong> The example provided shows how to calculate the <strong>mass percentages<\/strong> of the elements <strong>Carbon (C), Hydrogen (H),<\/strong> and <strong>Oxygen (O)<\/strong> in <strong>Glucose (C6H12O6)<\/strong> after <strong>Calculating the Molecular Mass of Glucose.<\/strong><\/p>\n<p><span style=\"text-decoration: underline\"><strong>Percent Composition, Study Guide<br \/><\/strong><\/span><a href=\"https:\/\/opentextbc.ca\/chemistry\/chapter\/3-2-determining-empirical-and-molecular-formulas\/\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<strong><\/strong><\/a><span style=\"text-decoration: underline\"><strong><br \/><\/strong><\/span><\/p>\n<ul>\n<li>This comprehensive <strong>study guide<\/strong> provides <strong>explanations<\/strong> and <strong>examples<\/strong> of the following concepts: <strong>percent composition, determining percent composition from formula mass, determining empirical formulas,<\/strong> and <strong>deriving empirical formulas from percent composition.<\/strong><\/li>\n<\/ul>\n<p><strong><span style=\"text-decoration: underline\">Calculating the Mass Ratio, Study Guide<\/span><br \/><\/strong><a href=\"https:\/\/sciencing.com\/calculate-mass-ratio-8326233.html\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<\/a><strong><br \/><\/strong><\/p>\n<ul>\n<li>This <strong>study guide<\/strong> explains how to calculate the <strong>mass ratio<\/strong> of <strong>sulfuric acid<\/strong> using the following four steps: (1) <strong>Determine the molar mass of each element present,<\/strong> (2) <strong>Determine the mass of each individual element present,<\/strong> (3) <strong>Determine the molar mass of the compound,<\/strong> and (4) <strong>Divide the mass of each element present by the molar mass.<\/strong><\/li>\n<\/ul>\n<p><strong><span style=\"text-decoration: underline\">Calculating Theoretical Yield and Percent Yield<\/span><br \/><\/strong><a href=\"https:\/\/www.youtube.com\/watch?v=jtAj0s203CI\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<\/a><strong><br \/><\/strong><\/p>\n<ul>\n<li>This<strong> video<\/strong> shows how to calculate the<strong> theoretical<\/strong> and <strong>percent yield.<\/strong> The <strong>theoretical yield<\/strong> is the <strong>maximum amount of product that can be produced in a reaction.<\/strong> The <strong>percent yield<\/strong> is equal to the <strong>actual yield divided by the theoretical yield times 100%.<\/strong><\/li>\n<\/ul>\n<p><strong><span style=\"text-decoration: underline\">Percent Yield, Actual Yield, and Theoretical Yield<\/span><br \/><\/strong><a href=\"https:\/\/www.youtube.com\/watch?v=w1njGAkc8og\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<\/a><strong><br \/><\/strong><\/p>\n<ul>\n<li>This <strong>video<\/strong> explains how to calculate the <strong>percent yield, actual yield,<\/strong> and <strong>theoretical yield<\/strong> of a product produced in a chemical reaction given the <strong>mass in grams of the reactants.<\/strong> It also includes <strong>stoichiometry<\/strong> practice problems with <strong>limiting reagents<\/strong> and <strong>excess reactants.<\/strong><\/li>\n<\/ul>\n<p>[\/et_pb_accordion_item][et_pb_accordion_item title=&#8221;Stoichiometry &amp; Conversion Factors&#8221; _builder_version=&#8221;4.10.8&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; open=&#8221;off&#8221;]<\/p>\n<p><span style=\"text-decoration: underline\"><strong>Introduction to Stoichiometry<\/strong><\/span><br \/><a href=\"https:\/\/www.khanacademy.org\/science\/ap-chemistry-beta\/x2eef969c74e0d802:chemical-reactions\/x2eef969c74e0d802:stoichiometry\/v\/worked-example-calculating-amounts-of-reactants-and-products\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<\/a><\/p>\n<ul>\n<li>This <strong>video<\/strong> provides an <strong>overview<\/strong> to <strong>stoichiometry<\/strong>, the branch of chemistry which <strong>expresses the quantitative relationship between reactants and products in a chemical equation.<\/strong><\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline\"><strong>Stoichiometry and Balancing Reactions, Study Guide<br \/><\/strong><\/span><a href=\"https:\/\/chem.libretexts.org\/Bookshelves\/Inorganic_Chemistry\/Supplemental_Modules_and_Websites_(Inorganic_Chemistry)\/Chemical_Reactions\/Stoichiometry_and_Balancing_Reactions\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<strong><\/strong><\/a><span style=\"text-decoration: underline\"><strong><br \/><\/strong><\/span><\/p>\n<ul>\n<li>This <strong>study guide<\/strong> covers various topics in stoichometry including: <strong>stoichiometric coefficients, variation in stoichiometric equations, density, percent mass, molarity, empirical formulas,<\/strong> and <strong>molecular formulas.<\/strong><\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline\"><strong>Mole Conversions<br \/><\/strong><\/span><a href=\"https:\/\/www.youtube.com\/watch?v=7Cfq0ilw7ps\" target=\"_blank\" rel=\"noopener\">Click here to visit link<strong><\/strong><\/a><span style=\"text-decoration: underline\"><strong><br \/><\/strong><\/span><\/p>\n<ul>\n<li>This <strong>video<\/strong> explains <strong>mole to mole conversions, grams to grams<\/strong> and <strong>mole to gram dimensional analysis<\/strong> problems. It also contains <strong>mole ratio<\/strong> practice problems. The <strong>molar ratio<\/strong> can be found using the <strong>coefficients of the balanced chemical equation.<\/strong> The conversion from <strong>moles to grams and grams to moles<\/strong> can be accomplished using the <strong>molar mass of the substance.<\/strong><\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline\"><strong>Converting Units with Conversion Factors<br \/><\/strong><\/span><a href=\"https:\/\/www.youtube.com\/watch?v=jqmIbcId3B0\" target=\"_blank\" rel=\"noopener\">Click here to visit link<strong><\/strong><\/a><span style=\"text-decoration: underline\"><strong><br \/><\/strong><\/span><\/p>\n<ul>\n<li>This <strong>video<\/strong> focuses on converting units of measurement with <strong>conversion factors.<\/strong> It explains how to convert <strong>units of length, time, capacity, volume, area, mass, speed\/velocity,<\/strong> and <strong>density.<\/strong><\/li>\n<\/ul>\n<p>[\/et_pb_accordion_item][et_pb_accordion_item title=&#8221;Scientific Notation &amp; Significant Figures&#8221; _builder_version=&#8221;4.10.8&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; open=&#8221;off&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<p><span style=\"text-decoration: underline\"><strong>Scientific Notation<br \/><\/strong><\/span><a href=\"https:\/\/www.khanacademy.org\/math\/in-in-class-7th-math-cbse\/x939d838e80cf9307:exponents-and-powers\/x939d838e80cf9307:large-numbers-in-standard-form\/v\/scientific-notation-old\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<strong><\/strong><\/a><span style=\"text-decoration: underline\"><strong><br \/><\/strong><\/span><\/p>\n<ul>\n<li>This <strong>video<\/strong> discusses how <strong>scientific notation<\/strong> is used to express <strong>numbers that are too large or too small to be compactly written in decimal form.<\/strong> It also explains how to express <strong>Avogadro&#8217;s number<\/strong> in <strong>scientific notation.<\/strong><\/li>\n<\/ul>\n<p><strong><span style=\"text-decoration: underline\">Scientific Notation, Examples<\/span><br \/><\/strong><a href=\"https:\/\/www.khanacademy.org\/math\/pre-algebra\/pre-algebra-exponents-radicals\/pre-algebra-scientific-notation\/v\/scientific-notation\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<\/a><strong><br \/><\/strong><\/p>\n<ul>\n<li>This <strong>video<\/strong> provides various <strong>numerical examples<\/strong> to express both large and small quantities in <strong>scientific notation.<\/strong><\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline\"><strong>Scientific Notation, Study Guide<br \/><\/strong><\/span><a href=\"http:\/\/lasp.colorado.edu\/~bagenal\/MATH\/math1.html#definition\" target=\"_blank\" rel=\"noopener\">Click here to visit link<strong><\/strong><\/a><span style=\"text-decoration: underline\"><strong><\/strong><\/span><\/p>\n<ul>\n<li>This <strong>study guide<\/strong> outlines how to <strong>convert<\/strong> quantities written in <strong>scientific notation to standard form,<\/strong> and from <strong>standard form to scientific notation.<\/strong> It also provides examples of <strong>calculations<\/strong> and <strong>approximations<\/strong> with scientific notation, and explains <strong>significant figures.<\/strong><\/li>\n<\/ul>\n<p><strong><span style=\"text-decoration: underline\">Unit Conversion and Significant Figures<\/span><br \/><\/strong><a href=\"https:\/\/www.youtube.com\/watch?v=hQpQ0hxVNTg\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<\/a><strong><br \/><\/strong><\/p>\n<ul>\n<li>This <strong>video<\/strong> explains the<strong> seven basic units<\/strong> in the <strong>SI system:<\/strong> the <strong>meter (m),<\/strong> the <strong>kilogram (kg),<\/strong> the <strong>second (s),<\/strong> the <strong>kelvin (K),<\/strong> the <strong>ampere (A),<\/strong> the <strong>mole (mol),<\/strong> and the <strong>candela (cd).<\/strong> It also explains how to determine using the following <strong>five rules:<\/strong> (1) <strong>All non-zero numbers are significant,<\/strong> (2) <strong>Zeros between two non-zero digits are significant,<\/strong> (3) <strong>Leading zeros are not significant,<\/strong> (4) <strong>Trailing zeros to the right of the decimal are significant,<\/strong> (5) <strong>Trailing zeros in a whole number with the decimal shown are significant.<\/strong><\/li>\n<\/ul>\n<p>[\/et_pb_accordion_item][et_pb_accordion_item title=&#8221;Chemical Formulas &amp; Balancing Chemical Equations&#8221; _builder_version=&#8221;4.10.8&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; open=&#8221;off&#8221;]<\/p>\n<p><span style=\"text-decoration: underline\"><strong>Balancing Chemical Equations<br \/><\/strong><\/span><a href=\"https:\/\/www.khanacademy.org\/science\/chemistry\/chemical-reactions-stoichiome\/balancing-chemical-equations\/v\/balancing-chemical-equations-introduction\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<strong><\/strong><\/a><span style=\"text-decoration: underline\"><strong><br \/><\/strong><\/span><\/p>\n<ul>\n<li>This <strong>video<\/strong> explains how to <strong>balance a chemical reaction:<\/strong> the <strong>same number of atoms of each element<\/strong> must be on <strong>both sides of the equation.<\/strong><\/li>\n<\/ul>\n<p><strong><span style=\"text-decoration: underline\">How to Balance Chemical Equations in 5 Steps<\/span><br \/><\/strong><a href=\"https:\/\/www.youtube.com\/watch?v=zmdxMlb88Fs\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<\/a><strong><br \/><\/strong><\/p>\n<ul>\n<li>This <strong>video<\/strong> tutorial defines <strong>five simple steps<\/strong> to use when <strong>balancing chemical equations.<\/strong><\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline\"><strong>Balancing Complex Chemical Equations<br \/><\/strong><\/span><a href=\"https:\/\/www.khanacademy.org\/science\/chemistry\/chemical-reactions-stoichiome\/balancing-chemical-equations\/v\/balancing-more-complex-chemical-equation\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<strong><\/strong><\/a><span style=\"text-decoration: underline\"><strong><br \/><\/strong><\/span><\/p>\n<ul>\n<li>This <strong>video<\/strong> provides <strong>tips<\/strong> on how to <strong>balance more complicated chemical reactions.<\/strong> It also provides an <strong>example<\/strong> of <strong>balancing<\/strong> the <strong>combustion reaction<\/strong> of ethylene, <strong>C\u2082H\u2084.<\/strong><\/li>\n<\/ul>\n<p><strong><span style=\"text-decoration: underline\">Visually Understanding Balancing Chemical Equations<\/span><br \/><\/strong><a href=\"https:\/\/www.khanacademy.org\/science\/chemistry\/chemical-reactions-stoichiome\/balancing-chemical-equations\/v\/visually-understanding-balancing-chemical-equations\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<\/a><strong><br \/><\/strong><\/p>\n<ul>\n<li>This <strong>video<\/strong> uses different colors to relate a <strong>balanced chemical equation<\/strong> to the <strong>structural formulas<\/strong> of the <strong>reactants and products.<\/strong><\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline\"><strong>The Difference Between Empirical, Molecular, and Structural Formulas<br \/><\/strong><\/span><a href=\"https:\/\/www.khanacademy.org\/science\/chemistry\/chemical-reactions-stoichiome\/empirical-molecular-formula\/v\/empirical-molecular-and-structural-formulas\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<strong><\/strong><\/a><span style=\"text-decoration: underline\"><strong><br \/><\/strong><\/span><\/p>\n<ul>\n<li>This <strong>video<\/strong> highlights the differences between <strong>empirical, molecular,<\/strong> and <strong>structural<\/strong> chemical formulas. <strong>Empirical formulas<\/strong> show the simplest <strong>whole-number ratio of atoms in a compound. Molecular formulas<\/strong> show the <strong>number of each type of atom in a molecule. Structural formulas<\/strong> show the <strong>arrangement of the molecule. <\/strong><\/li>\n<\/ul>\n<p><strong><span style=\"text-decoration: underline\">Oxidation and Reduction<\/span><br \/><\/strong><a href=\"https:\/\/www.khanacademy.org\/science\/chemistry\/oxidation-reduction\/redox-oxidation-reduction\/v\/introduction-to-oxidation-and-reduction?modal=1\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<\/a><strong><br \/><\/strong><\/p>\n<ul>\n<li>This <strong>video<\/strong> defines <strong>oxidation and reduction<\/strong> using an example: <strong>NaCl<\/strong>. Oxidation is the <strong>gain<\/strong> of oxygen. Reduction is the <strong>loss<\/strong> of oxygen.<\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline\"><strong>Balancing Redox Reactions in Acid\/Acidic Solution<br \/><\/strong><\/span><a href=\"https:\/\/www.khanacademy.org\/science\/chemistry\/oxidation-reduction\/redox-oxidation-reduction\/v\/balance-and-redox-reactions1?modal=1\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<strong><\/strong><\/a><span style=\"text-decoration: underline\"><strong><br \/><\/strong><\/span><\/p>\n<p><span style=\"text-decoration: underline\"><strong>Balancing Redox Reactions in Acidic Solution<br \/><\/strong><\/span><a href=\"https:\/\/www.youtube.com\/watch?v=HGzy_pRyej8\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<strong><\/strong><\/a><span style=\"text-decoration: underline\"><strong><br \/><\/strong><\/span><\/p>\n<ul>\n<li>These <strong>videos<\/strong> explain how to<strong> balance redox reactions<\/strong> under <strong>acidic conditions.<\/strong> They also help to <strong>identify which half reaction is oxidation and reduction.<\/strong><\/li>\n<\/ul>\n<p><strong><span style=\"text-decoration: underline\">Balancing Redox Reactions in Base<\/span><br \/><\/strong><a href=\"https:\/\/www.khanacademy.org\/science\/chemistry\/oxidation-reduction\/redox-oxidation-reduction\/v\/balancing-redox-reactions1?modal=1\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<\/a><strong><br \/><\/strong><\/p>\n<p><span style=\"text-decoration: underline\"><strong>Balancing Redox Reactions in Basic Solution<br \/><\/strong><\/span><a href=\"https:\/\/www.youtube.com\/watch?v=NkMVvlE4N88\" target=\"_blank\" rel=\"noopener\">Click here to visit link.<strong><\/strong><\/a><span style=\"text-decoration: underline\"><strong><br \/><\/strong><\/span><\/p>\n<ul>\n<li>These <strong>videos<\/strong> explain how to <strong>balance redox reactions<\/strong> in <strong>basic solutions<\/strong> using the following steps: (1) <strong>separate the net reaction into two separate half reactions (oxidation and reduction),<\/strong> (2) <strong>balance the atoms first under acidic conditions using H+ and H2O,<\/strong> and (3) <strong>balance the charges by adding electrons to the side of the chemical equation with the highest oxidation state.<\/strong> Once the <strong>electrons in both half-reactions are equal, the two reactions may be combined together to form the net reaction.<\/strong> To <strong>neutralize the acid, OH- ions are added to both sides of the equation.<\/strong><\/li>\n<\/ul>\n<p>[\/et_pb_accordion_item][\/et_pb_accordion][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.10.8&#8243; _module_preset=&#8221;default&#8221; background_color=&#8221;#EFEFEF&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row column_structure=&#8221;1_2,1_2&#8243; _builder_version=&#8221;4.10.8&#8243; _module_preset=&#8221;default&#8221; background_color=&#8221;#FFFFFF&#8221; custom_padding=&#8221;|20px||20px|false|true&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.10.8&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_image src=&#8221;https:\/\/www.qc.cuny.edu\/mqr\/wp-content\/uploads\/sites\/65\/2021\/09\/khan-academy.png&#8221; alt=&#8221;Khan Academy&#8221; title_text=&#8221;Khan Academy&#8221; align=&#8221;center&#8221; force_fullwidth=&#8221;on&#8221; _builder_version=&#8221;4.10.8&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][\/et_pb_column][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.10.8&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_image src=&#8221;https:\/\/www.qc.cuny.edu\/mqr\/wp-content\/uploads\/sites\/65\/2021\/09\/en-espanol.png&#8221; alt=&#8221;En espa\u00f1ol&#8221; title_text=&#8221;En espa\u00f1ol&#8221; force_fullwidth=&#8221;on&#8221; _builder_version=&#8221;4.10.8&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.10.8&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.10.8&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.10.8&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text ul_position=&#8221;inside&#8221; _builder_version=&#8221;4.10.8&#8243; _module_preset=&#8221;default&#8221; text_font=&#8221;Open Sans||||||||&#8221; text_text_color=&#8221;#000000&#8243; text_font_size=&#8221;16px&#8221; header_4_font=&#8221;Open Sans|600|||on||||&#8221; header_4_text_color=&#8221;#E71939&#8243; header_5_font=&#8221;Open Sans|600|||on||||&#8221; header_5_text_color=&#8221;#000000&#8243; header_5_font_size=&#8221;18px&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h5>Qu\u00edmica, Chemistry Khan Academy Videos en Espa\u00f1ol<\/h5>\n<p>[<a href=\"https:\/\/es.khanacademy.org\/science\/chemistry\" target=\"_blank\" rel=\"noopener\">Qu\u00edmica<\/a>]<\/p>\n<p>This link provides comprehensive <strong>video<\/strong> tutorials from the <strong>Khan Academy en Espa\u00f1ol<\/strong> in such topics in <strong>Chemistry<\/strong> as: <a href=\"https:\/\/es.khanacademy.org\/science\/chemistry\/atomic-structure-and-properties\" target=\"_blank\" rel=\"noopener\">Atoms, Ions and Compounds<\/a>, <a href=\"https:\/\/es.khanacademy.org\/science\/chemistry\/chemical-reactions-stoichiome\" target=\"_blank\" rel=\"noopener\">Chemical Reactions and Stoichiometry<\/a>, <a href=\"https:\/\/es.khanacademy.org\/science\/chemistry\/electronic-structure-of-atoms\" target=\"_blank\" rel=\"noopener\">Electronic Structure of Atoms<\/a>, <a href=\"https:\/\/es.khanacademy.org\/science\/chemistry\/periodic-table\" target=\"_blank\" rel=\"noopener\">Periodic Table<\/a>, <a href=\"https:\/\/es.khanacademy.org\/science\/chemistry\/chemical-bonds\" target=\"_blank\" rel=\"noopener\">Chemical Links<\/a>, <a href=\"https:\/\/es.khanacademy.org\/science\/chemistry\/gases-and-kinetic-molecular-theory\" target=\"_blank\" rel=\"noopener\">Gases and Molecular Kinetic Theory<\/a>, <a href=\"https:\/\/es.khanacademy.org\/science\/chemistry\/states-of-matter-and-intermolecular-forces\" target=\"_blank\" rel=\"noopener\">States of Matter and Intermolecular Forces<\/a>, <a href=\"https:\/\/es.khanacademy.org\/science\/chemistry\/chemical-equilibrium\" target=\"_blank\" rel=\"noopener\">Chemical Balance<\/a>, <a href=\"https:\/\/es.khanacademy.org\/science\/chemistry\/acids-and-bases-topic\" target=\"_blank\" rel=\"noopener\" title=\"Acids and Bases\">Acids and Bases<\/a>, <a href=\"https:\/\/es.khanacademy.org\/science\/chemistry\/acid-base-equilibrium\" target=\"_blank\" rel=\"noopener\">Buffer Solutions, Titrations and Solubility Balance<\/a>, <a href=\"https:\/\/es.khanacademy.org\/science\/chemistry\/thermodynamics-chemistry\" target=\"_blank\" rel=\"noopener\">Thermodynamics<\/a>, <a href=\"https:\/\/es.khanacademy.org\/science\/chemistry\/oxidation-reduction\" target=\"_blank\" rel=\"noopener\">Redox and Electrochemical Reactions<\/a>, <a href=\"https:\/\/es.khanacademy.org\/science\/chemistry\/chem-kinetics\" target=\"_blank\" rel=\"noopener\">Kinetics<\/a>, <a href=\"https:\/\/es.khanacademy.org\/science\/chemistry\/nuclear-chemistry\" target=\"_blank\" rel=\"noopener\">Nuclear Chemistry<\/a>, and <a href=\"https:\/\/es.khanacademy.org\/science\/organic-chemistry\/bond-line-structures-alkanes-cycloalkanes\" target=\"_blank\" rel=\"noopener\">Alkanes, Cycloalkanes and Functional Groups.<\/a><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p><div class=\"et_pb_module dsm_text_divider dsm_text_divider_0\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_module_inner\">\n\t\t\t\t\t<div class=\"dsm-text-divider-wrapper dsm-text-divider-align-center et_pb_bg_layout_light\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"dsm-text-divider-before dsm-divider\"><\/div>\n\t\t\t\t<h3 class=\"dsm-text-divider-header et_pb_module_header\"><span>Chemistry<\/span><\/h3>\n\t\t\t\t<div class=\"dsm-text-divider-after dsm-divider\"><\/div>\n\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>SI Prefixes, Study GuideClick here to visit link. This study guide outlines the 20 SI (International System of Units) prefixes used to form decimal multiples and submultiples. Mnemonic Device to Remember SI PrefixesClick here to visit link. This video presents a mnemonic device [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","inline_featured_image":false,"footnotes":""},"page_category":[],"wf_page_folders":[235],"class_list":["post-8165","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.qc.cuny.edu\/mqr\/wp-json\/wp\/v2\/pages\/8165","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.qc.cuny.edu\/mqr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.qc.cuny.edu\/mqr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.qc.cuny.edu\/mqr\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.qc.cuny.edu\/mqr\/wp-json\/wp\/v2\/comments?post=8165"}],"version-history":[{"count":0,"href":"https:\/\/www.qc.cuny.edu\/mqr\/wp-json\/wp\/v2\/pages\/8165\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.qc.cuny.edu\/mqr\/wp-json\/wp\/v2\/media?parent=8165"}],"wp:term":[{"taxonomy":"page_category","embeddable":true,"href":"https:\/\/www.qc.cuny.edu\/mqr\/wp-json\/wp\/v2\/page_category?post=8165"},{"taxonomy":"wf_page_folders","embeddable":true,"href":"https:\/\/www.qc.cuny.edu\/mqr\/wp-json\/wp\/v2\/wf_page_folders?post=8165"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}