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4 cards from this section. Quick, good the night before a test.
What do exothermic reactions do?
Think about what happens during combustion.
Give an example of an endothermic reaction.
Consider plants and sunlight.
Which type of reaction releases energy?
Recall the combustion process.
True or False: All endothermic reactions decrease the temperature of their surroundings.
Think about cold packs used for injuries.
If a reaction has a ΔH of -150 kJ, is it exothermic or endothermic? Justify your answer.
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.
Focus on the energy levels before and after the reaction.
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