Practice Visualizing the effect of a catalyst on an energy profile diagram - 7.5.1 | Chapter 7: Energy Changes in Chemical Reactions | IB 9 Chemistry
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Visualizing the effect of a catalyst on an energy profile diagram

7.5.1 - Visualizing the effect of a catalyst on an energy profile diagram

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is a catalyst?

💡 Hint: Think about what helps the reaction happen faster.

Question 2 Easy

What does activation energy mean?

💡 Hint: Consider what energy is needed before a reaction can occur.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the primary function of a catalyst?

Increase the temperature of a reaction
Speed up a reaction without being consumed
Decrease the energy of products

💡 Hint: Think about catalysts in terms of their participation in reactions.

Question 2

True or False: A catalyst changes the overall energy change of a reaction (ΔH).

True
False

💡 Hint: Remember the definition of ΔH.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Describe how the presence of a catalyst can alter the reaction speed and why this is significant for industrial applications.

💡 Hint: Consider the balance between cost and energy consumption in industries.

Challenge 2 Hard

Explain the relationship between activation energy, catalysts, and the rate of a chemical reaction from a kinetic perspective.

💡 Hint: Think about molecular collisions and energy distribution.

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