Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the definition of activation energy?
💡 Hint: What kind of energy is needed for a reaction to proceed?
Question 2
Easy
What does collision theory state?
💡 Hint: Think about the requirements for a reaction to happen.
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Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the main focus of chemical kinetics?
- Temperature effects
- Reaction rates
- Chemical equilibrium
💡 Hint: Think about the definition of chemical kinetics.
Question 2
True or False: A catalyst is consumed in a reaction.
- True
- False
💡 Hint: Consider what happens to a catalyst during a reaction.
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Challenge Problems
Push your limits with challenges.
Question 1
Given an experimental rate law Rate = k [A][B]^2, what would happen to the rate if the concentration of B is doubled?
💡 Hint: Consider how changing the concentration affects the rate of reaction based on the rate expression.
Question 2
If the activation energy for a reaction is lowered by a catalyst from 75 kJ/mol to 25 kJ/mol, how does this affect the reaction rate?
💡 Hint: Think about the relationship between activation energy and the number of effective collisions.
Challenge and get performance evaluation