AP® Chemistry Past Exam Tests / Questions

Unit 1: Atomic Structure and Properties

Unit 2: Molecular and Ionic Compound Structure and Properties

Types of Chemical Bonds

Intramolecular Force and Potential Energy

Structure of Ionic Solids

Structure of Metals and Alloys

Lewis Diagrams

Resonance and Formal Charge

VSEPR and Bond Hybridization

Unit 3: Intermolecular Forces and Properties

Intermolecular Forces

Solids, Liquids, and Gases

Kinetic Molecular Theory

Solutions and Mixtures

Photoelectric Effect

Unit 4: Chemical Reactions

Introduction for Reactions

Net Ionic Equations

Representations of Reactions

Physical and Chemical Changes

Stoichiometry

Types of Chemical Reactions

Unit 5: Kinetics

Reaction Rate

Introduction to Rate Law

Elementary Reactions

Collision Model

Introduction to Reaction Mechanisms

Multistep Reaction Energy Profile

Catalysis

Unit 6: Thermodynamics

Endothermic and Exothermic Processes

Heat Transfer and Thermal Equilibrium

Heat Capacity and Calorimetry

Energy of Phase Changes

Introduction to Enthalpy of Reaction

Enthalpy of Formation

Hess’s law

Unit 7: Equilibrium

Introduction to Equilibrium

Calculating the Equilibrium Constant

Calculating Equilibrium Concentrations

Introduction to Le Chatelier’s Principle

Introduction to Solubility Equilibria

pH and Solubility

Free Energy of Dissolution

Unit 8: Acids and Bases

Introduction to Acids and Bases

pH and pOH of Strong Acids and Bases

Acid-base Reactions and Buffers

Molecular Structure of Acids and Bases

pH and pKₐ

Properties of Buffers

Unit 9: Applications of Thermodynamics

Introduction to Entropy

Gibbs Free Energy and Thermodynamic Favorability

Thermodynamic and Kinetic Control

Free Energy and Equilibrium

Galvanic (voltaic) and Electrolyte cells

Electrolysis and Faraday’s Law

Guide

AP® Chemistry Cheat Sheet

AP® Chemistry Text Books

AP® Chemistry Periodic Table

Is AP® Chemistry Hard?

AP® Chemistry Score Calculator

AP® Chemistry Past Exam Tests / Questions

Last Updated: September 24, 2024

Notes

AP Chemistry past exam tests and questions are essential study tools, offering students the opportunity to practice, assess knowledge, and prepare effectively for the challenging AP Chemistry exam.

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2024: Free-Response Questions

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Free Response Questions

2023: Free-Response Questions

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2022: Free-Response Questions

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2021: Free-Response Questions

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2020: Free-Response Questions

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2019: Free-Response Questions

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2018: Free-Response Questions

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2017: Free-Response Questions

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2016: Free-Response Questions

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2015: Free-Response Questions

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2014: Free-Response Questions

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Free Response Questions	Sample Responses Q1 Sample Responses Q2 Sample Responses Q3 Sample Responses Q4 Sample Responses Q5 Sample Responses Q6 Sample Responses Q7	Scoring Guidelines Student Performance Q&A Scoring Statistics Score Distributions