🧪AP Chemistry study guides

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AP Chemistry Exam →

FRQs 4-6 – Short Answer Questions

Multiple-Choice Questions (MCQ)

FRQs 1-3 – Long Essay Questions

Unit 1 – Atomic Structure & Properties →

1.0

Unit 1 Overview: Atomic Structure and Properties

1.1

Moles and Molar Mass

1.2

Mass Spectra of Elements

1.3

Elemental Composition of Pure Substances

1.4

Composition of Mixtures

1.5

Atomic Structure and Electron Configuration

1.6

Photoelectron Spectroscopy

1.7

Periodic Trends

1.8

Valence Electrons and Ionic Compounds

Unit 2 – Compound Structure and Properties →

2.0

Unit 2 Overview: Compound Structure and Properties

2.1

Types of Chemical Bonds

2.2

Intramolecular Force and Potential Energy

2.3

Structure of Ionic Solids

2.4

Structure of Metals and Alloys

2.5

Lewis Diagrams

2.6

Resonance and Formal Charge

2.7

VSEPR and Bond Hybridization

Unit 3 – Properties of Substances and Mixtures →

3.0

Unit 3 Overview: 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

Unit 4 – Chemical Reactions →

4.0

Unit 4 Overview: Chemical Reactions

4.1

Introduction to Reactions

4.2

Net Ionic Equations

4.3

Representations of Reactions

4.4

Physical and Chemical Changes

4.5

Stoichiometry

4.6

Introduction to Titration

4.7

Types of Chemical Reactions

4.8

Introduction to Acid-Base Reactions

4.9

Oxidation-Reduction (Redox) Reactions

Unit 5 – Kinetics →

5.0

Unit 5 Overview: 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

Unit 6 – Thermochemistry →

6.0

Unit 6 Overview: Thermochemistry

6.1

Endothermic and Exothermic Processes

6.2

Energy Diagrams

6.3

Heat Transfer and Thermal Equilibrium

6.4

Heat Capacity and Calorimetry

6.5

Energy of Phase Changes

6.6

Introduction to Enthalpy of Reaction

6.7

Bond Enthalpies

6.8

Enthalpy of Formation

6.9

Hess’s Law

Unit 7 – Equilibrium →

7.0

Unit 7 Overview: 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

7.14

Free Energy of Dissolution

7.11

pH and Solubility

Unit 8 – Acids & Bases →

8.0

Unit 8 Overview: 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

Unit 9 – Thermodynamics and Electrochemistry →

9.0

Unit 9 Review: 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

Exam Skills →

AP Chemistry Multiple Choice Questions (MCQs)

AP Chemistry Free Response Questions (FRQs)

Score Higher on AP Chemistry 2024: MCQ Tips from Students

Score Higher on AP Chemistry 2024: Tips for FRQ 1-3

Score Higher on AP Chemistry 2024: Tips for FRQ 4-7

Unit 1 FRQ (Photoelectron Spectroscopy) with Feedback

Frequently Asked Questions →

Study Guides for Every AP Chemistry Unit

Best AP Chem Quizlet Decks for Every Unit

How do I name compounds?

What Are The 4 Major Types of Solid Matter?

What are the types of intermolecular forces?

How do I write an electron configuration?

Is AP Chemistry Hard? Is AP Chem Worth Taking?

What is Formal Charge?

What do I need to know about the Periodic Table?

What Are the Best AP Chemistry Textbooks and Prep Books?

What are ionic solids?

New Online AP Chemistry Study Guide - 2020 Changes

How Can I Get a 5 in AP Chemistry?

What Are the Best Quizlet Decks for AP Chemistry?

What are molecular solids?

How Do I Self-Study AP Chemistry?

What is the trend for atomic radius?

AP Chemistry: Electron Shells, Sub-shells, and Orbitals

Frequently Asked Questions

What does AP Chemistry cover?

AP Chemistry covers atomic structure, molecular and ionic bonding, intermolecular forces, kinetics, thermodynamics, equilibrium, acids and bases, and electrochemistry.

How should I use these AP Chem study guides?

Study AP Chem by unit so the equations, models, and lab ideas stay connected. Then use practice questions and key terms to reinforce calculations, trends, and common mistakes.

Where can I find AP Chemistry FRQ practice?

Use Fiveable's AP Chemistry FRQ practice for AP-style free-response questions with AI-supported scoring on calculations, explanations, and experimental reasoning.

What should I review first in AP Chem?

Start with the unit where your calculations or conceptual explanations break down most often. For exam review, revisit equilibrium, acids and bases, and other units that combine multiple earlier ideas.

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