The activation energy of a reaction is 7.5 kJ/mol and the change in enthalpy is −37.2 kJ/mol. What is the activation energy of the reverse reaction?
a) 37.2 kJ/mol
b) 7.5 kJ/mol
c) 44.7 kJ/mol
d) 29.7 kJ/mol
e) The reverse does not occur and hence does not have an activation energy.
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