AP®︎ Chemistry Unit 7: Notes & Study Guide

Prepare for your quiz, test, or the AP exam with a comprehensive review on Unit 7 of AP Chemistry – Equilibrium.

Exam weight: 7%–9%
12 Topics

Unit 7: Equilibrium

What happens when forward and reverse reactions balance out, and how changing conditions shifts that balance.

Begin with Topic 7.1: Introduction to Equilibri...

To review Unit 7, go through each of the 12 topics below.

Everything you actually need to know for your Unit 7 test, pulled directly from the AP® Chemistry curriculum.

Topic 7.1
~6 min
Review
Introduction to Equilibrium
Introduction to Equilibrium
  • Reversible Processes and Dynamic Equilibrium
  • What Equilibrium Looks Like Experimentally
  • How Equilibrium Is Established Over Time
Review
Topic 7.2
~6 min
Review
Direction of Reversible Reactions
Direction of Reversible Reactions
  • Reversible Reactions and Dynamic Equilibrium
  • Relative Rates Determine Net Direction
  • Product-Favored vs Reactant-Favored
Review
Topic 7.3
~5 min
Review
Reaction Quotient and Equilibrium Constant
Reaction Quotient and Equilibrium Constant
  • The Reaction Quotient and the Equilibrium Constant
  • Writing Qc and Qp Correctly
  • Comparing Q and K to Predict Direction
Review
Topic 7.4
~6 min
Review
Calculating the Equilibrium Constant
Calculating the Equilibrium Constant
  • The Equilibrium Constant K
  • The Two Forms of K
  • Calculating K from Experimental Data
Review
Topic 7.5
~6 min
Review
Magnitude of the Equilibrium Constant
Magnitude of the Equilibrium Constant
  • What the Equilibrium Constant Tells You
  • What Different Magnitudes of K Mean
  • Using K to Compare Reactions
Review
Topic 7.6
~5 min
Review
Properties of the Equilibrium Constant
Properties of the Equilibrium Constant
  • The Equilibrium Constant and Its Mathematical Form
  • The Three Algebra Rules for Manipulating K
  • Combining the Rules to Build an Overall K
Review
Topic 7.7
~5 min
Review
Calculating Equilibrium Concentrations
Calculating Equilibrium Concentrations
  • Dynamic Equilibrium and the Role of K
  • Using Q to Predict the Direction of Change
  • The ICE Table Setup
Review
Topic 7.8
~6 min
Review
Representations of Equilibrium
Representations of Equilibrium
  • What Equilibrium Looks Like at the Particle Level
  • What Particulate Diagrams Show
  • Connecting Particle Ratios to the Equilibrium Constant
Review
Topic 7.9
~6 min
Review
Introduction to Le Châtelier's Principle
Introduction to Le Châtelier's Principle
  • Le Châtelier’s Principle
  • The Four Types of Stress
  • What Does Not Shift Equilibrium
Review
Topic 7.10
~6 min
Review
Reaction Quotient and Le Châtelier’s Principle
Reaction Quotient and Le Châtelier’s Principle
  • What Q and K Represent
  • Comparing Q and K to Predict Direction
  • How Concentration and Pressure Disturb Equilibrium
Review
Topic 7.11
~5 min
Review
Introduction to Solubility Equilibria
Introduction to Solubility Equilibria
  • What Ksp Is and What Solubility Means
  • Molar Solubility and How It Relates to Ksp
  • Using Ksp to Compare Solubilities
Review
Topic 7.12
~5 min
Review
Common-Ion Effect
Common-Ion Effect
  • The Common-Ion Effect
  • How the Common-Ion Effect Changes Solubility
  • Solubility With and Without a Common Ion
Review

Notes

1 credit used · 5/5 remaining