1.4 - Energy Changes in Chemical Reactions
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Practice Questions
Test your understanding with targeted questions
What is an exothermic reaction?
💡 Hint: Think about combustion.
Define an endothermic reaction.
💡 Hint: Consider a reaction that cools the environment.
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Interactive Quizzes
Quick quizzes to reinforce your learning
Which type of reaction releases energy?
💡 Hint: Think about a fire.
True or False: Endothermic reactions release heat.
💡 Hint: Consider a cold pack.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
You experiment with different chemical reactions and observe the temperature changes. If a reaction's temperature drops initially, what can you infer about it?
💡 Hint: Think about how the heat is moving.
Draw and label an energy profile diagram for a combustion reaction. What key features would you include?
💡 Hint: Remember the energy levels of reactants and products.
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