7.2 - Exothermic Reactions: Releasing Energy to the Surroundings
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Practice Questions
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What does 'exothermic' mean?
💡 Hint: Think about the meaning of 'exo' and 'thermic'.
Give one observable sign that a reaction is exothermic.
💡 Hint: What happens to a test tube during a reaction?
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Interactive Quizzes
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What is the primary characteristic of an exothermic reaction?
💡 Hint: Remember the definition of exothermic.
True or False: An exothermic reaction results in a temperature decrease in the surroundings.
💡 Hint: Think about what happens when a reaction occurs.
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Challenge Problems
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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.
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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