AP Chemistry Unit Review
Unit 7: Equilibrium
How it applies to our lives
The Haber-Bosch Process is an industrial process used to make ammonia for fertilizers. The process involves chemical equilibrium and Le Châtelier’s Principle to balance yield and speed.
Key Vocabulary
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Common ion
Common ion effect
Le Chatelier’s principle
Equilibrium
Reversible Reaction
Equilibrium Constant
Main Takeaways
Dynamic Equilibrium: Rates of the forward and reverse reactions are equal.
Le Chatelier’s Principle: Systems shift to counteract disturbances to equilibrium.
Reaction Quotient (Q) compared to K determines the direction of the shift.
Pure solids and liquids are always excluded from equilibrium expressions.
Overall K is the product of individual step constants (K1 x K2 x K3).
Common Misconceptions
Students often mistake equilibrium to mean a 50/50 split of chemicals. It only means the RATES are equal.
Unit Quiz
Verify your knowledge of Unit 7.
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