Practice The Role Of Catalysts: Speeding Up Reactions (7.5) - Energy Changes in Chemical Reactions
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The Role of Catalysts: Speeding Up Reactions

Practice - The Role of Catalysts: Speeding Up Reactions

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is a catalyst?

💡 Hint: Think of how a catalyst affects a reaction's speed.

Question 2 Easy

Do catalysts change the energy of products?

💡 Hint: Consider what happens to the energy levels.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the role of a catalyst in a chemical reaction?

Increase temperature
Lower activation energy
Change reactants to products

💡 Hint: Think about what a catalyst does to energy levels.

Question 2

True or False: A catalyst is consumed in the reaction.

True
False

💡 Hint: Consider how catalysts are used repeatedly.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

A reaction has an activation energy of 50 kJ/mol. A catalyst lowers this to 30 kJ/mol. Calculate the percentage decrease in activation energy.

💡 Hint: Use the formula for percentage decrease.

Challenge 2 Hard

Discuss the importance of catalysts in both biological and industrial contexts, providing specific examples.

💡 Hint: Think of how life processes and industries benefit from catalyzed reactions.

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Reference links

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