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AP Chemistry/Unit 5: Kinetics
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Activation Energy and Enthalpy Change

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A reaction has an enthalpy change (ΔH) of -50 kJ/mol and an activation energy for the forward reaction of 100 kJ/mol. What is the activation energy for the reverse reaction?

A

50 kJ/mol

B

150 kJ/mol

C

200 kJ/mol

D

100 kJ/mol

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