7 - Energy Changes in Chemical Reactions
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Practice Questions
Test your understanding with targeted questions
What type of reaction absorbs energy?
💡 Hint: Think about whether energy is added or released.
Name one observable sign of an exothermic reaction.
💡 Hint: What happens to temperature in such reactions?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is an exothermic reaction?
💡 Hint: Remember the 'exit' part of exothermic.
True or False: Catalysts change the overall energy change of a reaction.
💡 Hint: Think about what happens to the catalyst in the process.
3 more questions available
Challenge Problems
Push your limits with advanced challenges
Design an experiment to demonstrate an endothermic reaction using easily available materials. Describe your procedure and expected results.
💡 Hint: Consider how you can show changes in temperature.
Explain how the presence of a catalyst affects the reaction rate in an exothermic reaction. Use examples to support your explanation.
💡 Hint: Think about how fast versus slow reactions compare with versus without a catalyst.
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