AP®︎ Chemistry Unit 4: Notes & Study Guide
Prepare for your quiz, test, or the AP exam with a comprehensive review on Unit 4 of AP Chemistry – Chemical Reactions.
Unit 4: Chemical Reactions
How to identify, balance, and classify chemical reactions, and how to use stoichiometry to predict quantities.
Begin with Topic 4.1: Introduction for Reaction...To review Unit 4, go through each of the 9 topics below.
Everything you actually need to know for your Unit 4 test, pulled directly from the AP® Chemistry curriculum.
Introduction for Reactions
Introduction for Reactions
- Physical Changes vs Chemical Changes
- What a Chemical Reaction Is
- How to Read a Chemical Equation
Net Ionic Equations
Net Ionic Equations
- What a Net Ionic Equation Is
- The Three Forms of a Reaction
- Reactions in Aqueous Solution
Representations of Reactions
Representations of Reactions
- Chemical Equations as Particle Accounting
- Types of Reaction Representations
- How to Balance Chemical Equations
Physical and Chemical Changes
Physical and Chemical Changes
- What Makes a Change Chemical vs Physical
- Chemical Processes
- Physical Processes
Stoichiometry
Stoichiometry
- Stoichiometry and Why It Works
- Mole Ratios and What They Represent
- The Stoichiometry Roadmap
Introduction to Titration
Introduction to Titration
- What a Titration Is
- Types of Titrations
- Equivalence Point vs Endpoint
Types of Chemical Reactions
Types of Chemical Reactions
- The Three Reaction Types You Must Be Able to Identify
- Assigning Oxidation Numbers to Identify Redox
- How to Recognize a Precipitation Reaction Quickly
Introduction to Acid-Base Reactions
Introduction to Acid-Base Reactions
- Brønsted–Lowry Acid–Base Reactions
- The Role of Water in Acid–Base Reactions
- Strength of Acids and Bases and Conjugate Pairs
Oxidation-Reduction (Redox) Reactions
Oxidation-Reduction (Redox) Reactions
- What Redox Reactions Are
- Assigning Oxidation Numbers
- The Half-Reaction Method
Notes
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