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AP Chemistry
9 sections available · 49 chapters available
Free AP Chemistry study notes for AP (Advanced Placement) students. Each chapter covers a key topic with examples and practice prompts you can continue inside the thinka app.
Unit 1: Atomic Structure and Properties
Moles, Molar Mass and Elemental Composition (1.1, 1.3)
Mass Spectra of Elements and Composition of Mixtures (1.2, 1.4)
Atomic Structure and Electron Configuration (1.5)
Photoelectron Spectroscopy (1.6)
Periodic Trends, Valence Electrons and Ionic Compounds (1.7, 1.8)
Unit 2: Compound Structure and Properties
Types of Chemical Bonds; Intramolecular Force and Potential Energy (2.1, 2.2)
Structure of Ionic Solids, Metals and Alloys (2.3, 2.4)
Lewis Diagrams, Resonance and Formal Charge (2.5, 2.6)
VSEPR and Hybridization (2.7)
Unit 3: Properties of Substances and Mixtures
Intermolecular and Interparticle Forces; Properties of Solids (3.1, 3.2)
Solids, Liquids, and Gases (3.3)
Ideal Gas Law, Kinetic Molecular Theory and Deviations (3.4, 3.5, 3.6)
Solutions and Mixtures; Representations of Solutions (3.7, 3.8)
Separation of Solutions and Mixtures; Solubility (3.9, 3.10)
Spectroscopy, Properties of Photons and Beer-Lambert Law (3.11, 3.12, 3.13)
Unit 4: Chemical Reactions
Introduction for Reactions; Physical and Chemical Changes (4.1, 4.4)
Net Ionic Equations and Representations of Reactions (4.2, 4.3)
Stoichiometry (4.5)
Introduction to Titration (4.6)
Types of Chemical Reactions: Acid-Base and Redox (4.7, 4.8, 4.9)
Unit 5: Kinetics
Reaction Rates (5.1)
Rate Law and Concentration Changes Over Time (5.2, 5.3)
Elementary Reactions and the Collision Model (5.4, 5.5)
Reaction Energy Profiles, Single and Multistep (5.6, 5.10)
Reaction Mechanisms, Rate Law and Pre-Equilibrium (5.7, 5.8, 5.9)
Catalysis (5.11)
Unit 6: Thermochemistry
Endothermic and Exothermic Processes; Energy Diagrams (6.1, 6.2)
Heat Transfer and Thermal Equilibrium (6.3)
Heat Capacity and Calorimetry (6.4)
Energy of Phase Changes (6.5)
Enthalpy of Reaction, Bond Enthalpies, Enthalpy of Formation and Hess's Law (6.6-6.9)
Unit 7: Equilibrium
Introduction to Equilibrium; Direction of Reversible Reactions (7.1, 7.2)
Reaction Quotient, Equilibrium Constant and its Properties (7.3, 7.6)
Calculating the Equilibrium Constant and its Magnitude (7.4, 7.5)
Calculating Equilibrium Concentrations; Representations of Equilibrium (7.7, 7.8)
Le Chatelier's Principle and the Reaction Quotient (7.9, 7.10)
Solubility Equilibria and the Common-Ion Effect (7.11, 7.12)
Unit 8: Acids and Bases
Introduction to Acids and Bases; pH and pOH of Strong Acids and Bases (8.1, 8.2)
Weak Acid and Base Equilibria (8.3)
Acid-Base Reactions and Buffers (8.4)
Acid-Base Titrations (8.5)
Molecular Structure of Acids and Bases; pH and pKa (8.6, 8.7)
Properties of Buffers, Henderson-Hasselbalch, Buffer Capacity and pH and Solubility (8.8-8.11)
Unit 9: Thermodynamics and Electrochemistry
Introduction to Entropy; Absolute Entropy and Entropy Change (9.1, 9.2)
Gibbs Free Energy and Thermodynamic Favorability (9.3)
Thermodynamic and Kinetic Control; Coupled Reactions (9.4, 9.7)
Free Energy and Equilibrium; Free Energy of Dissolution (9.5, 9.6)
Galvanic (Voltaic) and Electrolytic Cells; Cell Potential and Free Energy (9.8, 9.9)
Cell Potential Under Nonstandard Conditions; Electrolysis and Faraday's Law (9.10, 9.11)
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