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Kinetics and Equilibrium Practice (Interactive)

Intuition

Kinetics and equilibrium practice is like studying the speed and destination of chemical reactions: Mastering these topics requires connecting rate laws, equilibrium constants, and Le Chatelier’s principle

Why it matters: Kinetics and equilibrium principles guide industrial processes, drug design, and environmental chemistry

The key insight: Mastering these topics requires connecting rate laws, equilibrium constants, and Le Chatelier’s principle

IB Chemistry, Kinetics and Equilibrium Practice

18 auto-graded practice problems from easy to hard difficulty, aligned to the IB Chemistry syllabus (SL/HL). Select an answer, submit, and review the explanation.

Rate of Reaction

Collision Theory and Catalysts

Chemical Equilibrium

Common Mistakes

Confusing Kc with rate of reaction: Kc tells you WHERE the equilibrium lies (thermodynamics). Rate tells you HOW FAST equilibrium is reached (kinetics). Don’t confuse the two concepts.

Forgetting that only temperature changes Kc: Concentration, pressure, and catalysts don’t change Kc. Only temperature affects the equilibrium constant. Don’t assume other changes affect Kc.

Mixing up exothermic and endothermic effects on Kc: For exothermic reactions, increasing T decreases Kc. For endothermic reactions, increasing T increases Kc. Don’t assume the relationship is always the same.

Cross-References