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# Unit 7: Equilibrium

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## About this unit

This unit explores the how and why of chemical equilibrium. Learn about reversible reactions, the equilibrium constant, Le Châtelier's principle, solubility equilibria, and more. Practice what you’ve learned and study for the AP Chemistry exam with more than 80 AP-aligned questions.### Practice

- Equilibrium constant and reaction quotientGet 3 of 4 questions to level up!

### Practice

- Calculating the equilibrium constantGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 320 Mastery points

### Learn

### Practice

- Using the reaction quotientGet 3 of 4 questions to level up!

### Learn

### Practice

- Le Châtelier's principleGet 3 of 4 questions to level up!

### Learn

### Practice

- Solubility equilibriaGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 240 Mastery points

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Level up on all the skills in this unit and collect up to 700 Mastery points!#### Unit test

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