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5 cards from this section. Quick, good the night before a test.
What is an exothermic reaction?
Think about reactions that produce heat.
Define activation energy.
What is needed to start a reaction?
What type of reaction absorbs energy from the surroundings?
Consider reactions that require heat, like photosynthesis.
True or False: Activation energy is needed only in exothermic reactions.
Think of the energy required to start any chemical change.
Analyze a reaction where the total enthalpy of the reactants is 500 kJ, and that of the products is 300 kJ. Describe the type of reaction and the implications of ΔH.
Apply the ΔH formula to determine energy changes.
Consider a reaction that requires a catalyst. Describe how the catalyst modifies the activation energy of the reaction and provide practical implications in real-world applications.
Think about how catalysts work in biological enzymes.
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