Practice - Definition and Characteristics - 2.1
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Practice Questions
Test your understanding with targeted questions
What do exothermic reactions do?
💡 Hint: Think about what happens during combustion.
Give an example of an endothermic reaction.
💡 Hint: Consider plants and sunlight.
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Interactive Quizzes
Quick quizzes to reinforce your learning
Which type of reaction releases energy?
💡 Hint: Recall the combustion process.
True or False: All endothermic reactions decrease the temperature of their surroundings.
💡 Hint: Think about cold packs used for injuries.
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Challenge Problems
Push your limits with advanced challenges
If a reaction has a ΔH of -150 kJ, is it exothermic or endothermic? Justify your answer.
💡 Hint: Recall the significance of positive and negative ΔH.
Draw and label energy profiles for both an exothermic and an endothermic reaction. Explain the difference in the diagrams.
💡 Hint: Focus on the energy levels before and after the reaction.
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