Progress AP Chemistry Complete & Continue Next Lesson Learn More Unit 1: Atomic Structure and Properties 5 Lessons Overview Cram Course Review Review & Practice Practice Problems Unit 2: Molecular and Ionic Compound Structure and Properties 5 Lessons Crash Course Review Cram Course Practice Problems Topic Practices Unit 3: Intermolecular Forces and Properties 4 Lessons Crash Course Cram Course Review Practice Problems Unit 4: Chemical Reactions 4 Lessons Crash Course Cram Course Review & Particle Diagrams Practice Problems Unit 5: Kinetics 3 Lessons Review Review Practice Problems Unit 6: Thermodynamics 4 Lessons Crash Course Review Practice Problems Practice Problems Unit 7: Equilibrium 5 Lessons Crash Course Review Practice Problems Practice Problems Ice Box Method Practice Unit 8: Acids and Bases 5 Lessons Crash Course Crash Course Topics Review Reactions & pH Calculations Practice Problems & Tips Unit 9: Applications of Thermodynamics 7 Lessons Topics Review Entropy Gibbs Free Energy & Equilibrium Constant Electrochemical Cells Electrochemical Cell Formulas Non-Standard Electrochemical Cells Practice Problems AP Chemistry Complete & Continue Next Lesson Learn More Unit 3: Intermolecular Forces and Properties Review