Key Takeaways
Lesson Description
Key Takeaways
• Reaction rate measures how quickly reactants become products.
• Collision Theory explains successful reactions.
• Effective collisions require sufficient energy and correct orientation.
• Catalysts lower activation energy without being consumed.
• Reaction rate depends on concentration, temperature, surface area, and catalysts.
• Rate laws are determined experimentally.
• Integrated rate laws describe concentration changes over time.
Must Know Equations
Rate Law:
Rate = k[A]^m[B]^n
First-order Half-life:
t½ = 0.693 / k
Must Know Vocabulary
Reaction Rate
Collision Theory
Activation Energy
Catalyst
Rate Constant
Reaction Order
Half-life
Elementary Step
Mechanism
AP Exam Focus
• Interpret reaction coordinate diagrams.
• Determine reaction order from data.
• Write and analyze rate laws.