Practice Exothermic Reactions: Releasing Energy to the Surroundings - 7.2 | Chapter 7: Energy Changes in Chemical Reactions | IB 9 Chemistry
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Exothermic Reactions: Releasing Energy to the Surroundings

7.2 - Exothermic Reactions: Releasing Energy to the Surroundings

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does 'exothermic' mean?

💡 Hint: Think about the meaning of 'exo' and 'thermic'.

Question 2 Easy

Give one observable sign that a reaction is exothermic.

💡 Hint: What happens to a test tube during a reaction?

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the primary characteristic of an exothermic reaction?

Absorbs heat
Releases heat
Maintains temperature

💡 Hint: Remember the definition of exothermic.

Question 2

True or False: An exothermic reaction results in a temperature decrease in the surroundings.

True
False

💡 Hint: Think about what happens when a reaction occurs.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Explain the role of activation energy in exothermic reactions and how it differs from endothermic reactions.

💡 Hint: Compare the energy flow in both types of reactions.

Challenge 2 Hard

Compare and contrast the temperature changes expected in exothermic versus endothermic reactions, and provide examples.

💡 Hint: Consider everyday reactions you witness to find examples.

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Reference links

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