Practice Observable signs of an exothermic reaction - 7.2.1 | Chapter 7: Energy Changes in Chemical Reactions | IB 9 Chemistry
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Observable signs of an exothermic reaction

7.2.1 - Observable signs of an exothermic reaction

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Practice Questions

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Question 1 Easy

What does an exothermic reaction release?

💡 Hint: Think about the overall outcome of energy in reactions.

Question 2 Easy

Name a common example of an exothermic reaction.

💡 Hint: Consider reactions that involve burning materials.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is an exothermic reaction?

A reaction that absorbs heat.
A reaction that releases heat.
A reaction that does not change energy.

💡 Hint: Focus on the relationship between energy absorption and release.

Question 2

True or False: Combustion is an example of an exothermic reaction.

True
False

💡 Hint: Remember the nature of burning substances.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Analyze the combustion of methane and describe the energy changes involved in your own words.

💡 Hint: Consider the bond formation and breaking process.

Challenge 2 Hard

Discuss how exothermic reactions are utilized in everyday products like hand warmers and how they demonstrate energy principles.

💡 Hint: Think about energy efficiency in design and usage.

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