Unit 1 Atomic Structure and Properties
Topic 1.120 minMoles and Molar Mass
Topic 1.220 minMass Spectra of Elements
Topic 1.320 minElemental Composition of Pure Substances
Topic 1.419 minComposition of Mixtures
Topic 1.521 minAtomic Structure and Electron Configuration
Topic 1.618 minPhotoelectron Spectroscopy
Topic 1.719 minPeriodic Trends
Topic 1.820 minValence Electrons and Ionic Compounds
Unit 2 Compound Structure and Properties
Unit 3 Properties of Substances and Mixtures
Topic 3.126 minIntermolecular and Interparticle Forces
Topics 3.2–3.327 minProperties of Solids · Solids, Liquids, and Gases
Topic 3.420 minIdeal Gas Law
Topics 3.5–3.627 minKinetic Molecular Theory · Deviation from Ideal Gas Law
Topic 3.720 minSolutions and Mixtures
Topics 3.8–3.1026 minRepresentations of Solutions · Separation of Solutions and Mixtures · Solubility
Topics 3.11–3.1324 minSpectroscopy and the Electromagnetic Spectrum · Properties of Photons · Beer-Lambert Law
Unit 4 Chemical Reactions
Topics 4.1–4.224 minIntroduction for Reactions · Net Ionic Equations
Topics 4.3–4.421 minRepresentations of Reactions · Physical and Chemical Changes
Topic 4.525 minStoichiometry
Topics 4.6–4.724 minIntroduction to Titration · Types of Chemical Reactions
Topics 4.8–4.927 minIntroduction to Acid-Base Reactions · Oxidation-Reduction (Redox) Reactions
Unit 5 Kinetics
Topics 5.1–5.226 minReaction Rates · Introduction to Rate Law
Topic 5.322 minConcentration Changes Over Time
Topics 5.4–5.624 minElementary Reactions · Collision Model · Reaction Energy Profile
Topics 5.7–5.928 minIntroduction to Reaction Mechanisms · Reaction Mechanism and Rate Law · Pre-Equilibrium Approximation
Topics 5.10–5.1127 minMultistep Reaction Energy Profile · Catalysis
Unit 6 Thermochemistry
Topics 6.1–6.323 minEndothermic and Exothermic Processes · Energy Diagrams · Heat Transfer and Thermal Equilibrium
Topics 6.4–6.527 minHeat Capacity and Calorimetry · Energy of Phase Changes
Topics 6.6–6.723 minIntroduction to Enthalpy of Reaction · Bond Enthalpies
Topics 6.8–6.923 minEnthalpy of Formation · Hess’s Law
Unit 7 Equilibrium
Topics 7.1–7.324 minIntroduction to Equilibrium · Direction of Reversible Reactions · Reaction Quotient and Equilibrium Constant
Topics 7.4–7.623 minCalculating the Equilibrium Constant · Magnitude of the Equilibrium Constant · Properties of the Equilibrium Constant
Topics 7.7–7.825 minCalculating Equilibrium Concentrations · Representations of Equilibrium
Topics 7.9–7.1027 minIntroduction to Le Châtelier’s Principle · Reaction Quotient and Le Châtelier’s Principle
Topics 7.11–7.1225 minIntroduction to Solubility Equilibria · Common-Ion Effect
Unit 8 Acids and Bases
Topics 8.1–8.227 minIntroduction to Acids and Bases · pH and pOH of Strong Acids and Bases
Topic 8.325 minWeak Acid and Base Equilibria
Topics 8.4–8.530 minAcid-Base Reactions and Buffers · Acid-Base Titrations
Topics 8.6–8.726 minMolecular Structure of Acids and Bases · pH and pKa
Topics 8.8–8.925 minProperties of Buffers · Henderson-Hasselbalch Equation
Topics 8.10–8.1124 minBuffer Capacity · pH and Solubility
Unit 9 Thermodynamics and Electrochemistry
Topics 9.1–9.224 minIntroduction to Entropy · Absolute Entropy and Entropy Change
Topics 9.3–9.427 minGibbs Free Energy and Thermodynamic Favorability · Thermodynamic and Kinetic Control
Topics 9.5–9.728 minFree Energy and Equilibrium · Free Energy of Dissolution · Coupled Reactions
Topics 9.8–9.925 minGalvanic (Voltaic) and Electrolytic Cells · Cell Potential and Free Energy
Topics 9.10–9.1123 minCell Potential Under Nonstandard Conditions · Electrolysis and Faraday’s Law














