AP Chemistry
The whole course on one page. Nine units, from atomic structure to electrochemistry. Pick a topic; the page shows you which ideas to fix.
1 Atomic Structure and Properties
2 Compound Structure and Properties
3 Properties of Substances and Mixtures
- 3.1 Intermolecular and Interparticle Forces
- 3.2 Properties of Solids
- 3.3 Solids, Liquids, and Gases
- 3.4 Ideal Gas Law
- 3.5 Kinetic Molecular Theory
- 3.6 Deviation from Ideal Gas Law
- 3.7 Solutions and Mixtures
- 3.8 Representations of Solutions
- 3.9 Separation of Solutions and Mixtures
- 3.10 Solubility
- 3.11 Spectroscopy and the Electromagnetic Spectrum
- 3.12 Properties of Photons
- 3.13 Beer-Lambert Law
4 Chemical Reactions
5 Kinetics
- 5.1 Reaction Rates
- 5.2 Introduction to Rate Law
- 5.3 Concentration Changes Over Time
- 5.4 Elementary Reactions
- 5.5 Collision Model
- 5.6 Reaction Energy Profile
- 5.7 Introduction to Reaction Mechanisms
- 5.8 Reaction Mechanism and Rate Law
- 5.9 Pre-Equilibrium Approximation
- 5.10 Multistep Reaction Energy Profile
- 5.11 Catalysis
6 Thermochemistry
7 Equilibrium
- 7.1 Introduction to Equilibrium
- 7.2 Direction of Reversible Reactions
- 7.3 Reaction Quotient and Equilibrium Constant
- 7.4 Calculating the Equilibrium Constant
- 7.5 Magnitude of the Equilibrium Constant
- 7.6 Properties of the Equilibrium Constant
- 7.7 Calculating Equilibrium Concentrations
- 7.8 Representations of Equilibrium
- 7.9 Introduction to Le Châtelier’s Principle
- 7.10 Reaction Quotient and Le Châtelier’s Principle
- 7.11 Introduction to Solubility Equilibria
- 7.12 Common-Ion Effect
8 Acids and Bases
- 8.1 Introduction to Acids and Bases
- 8.2 pH and pOH of Strong Acids and Bases
- 8.3 Weak Acid and Base Equilibria
- 8.4 Acid-Base Reactions and Buffers
- 8.5 Acid-Base Titrations
- 8.6 Molecular Structure of Acids and Bases
- 8.7 pH and pKa
- 8.8 Properties of Buffers
- 8.9 Henderson-Hasselbalch Equation
- 8.10 Buffer Capacity
- 8.11 pH and Solubility
9 Thermodynamics and Electrochemistry
- 9.1 Introduction to Entropy
- 9.2 Absolute Entropy and Entropy Change
- 9.3 Gibbs Free Energy and Thermodynamic Favorability
- 9.4 Thermodynamic and Kinetic Control
- 9.5 Free Energy and Equilibrium
- 9.6 Free Energy of Dissolution
- 9.7 Coupled Reactions
- 9.8 Galvanic (Voltaic) and Electrolytic Cells
- 9.9 Cell Potential and Free Energy
- 9.10 Cell Potential Under Nonstandard Conditions
- 9.11 Electrolysis and Faraday’s Law
The AP Chemistry exam
- Section I: 60 multiple-choice questions in 1 hour 30 minutes, 50% of your score.
- Section II: 7 free-response questions (3 long, 4 short) in 1 hour 45 minutes, the rest of your score.
The questions here are multiple choice only. For free response, use the past exam questions College Board publishes.