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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define activation energy.
💡 Hint: Think about the energy needed for a reaction to start.
Question 2
Easy
What role does a catalyst play in a chemical reaction?
💡 Hint: What substance helps reactions happen faster?
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does activation energy represent in a chemical reaction?
- Energy lost during a reaction
- Minimum energy required for a reaction
- Energy released in the reaction
💡 Hint: Think about the energy needed to start a fire.
Question 2
True or False: A catalyst is used up in a reaction.
- True
- False
💡 Hint: Does it disappear after speeding up the reaction?
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Consider a reaction A + B → C. Discuss how increasing the temperature influences the rate of this reaction in terms of activation energy and particle collisions.
💡 Hint: What happens when you heat both reactions - think of the results.
Question 2
Explain how a catalyst transforms a reaction profile graph to lower the activation energy and the practical implications of this in an industrial setting.
💡 Hint: How do companies save money and energy using catalysts?
Challenge and get performance evaluation