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On page 76 the course reader notes that as activation energy increases k decreases. According to the Arrhenius equation k=A*e^(-E/RT) however there can be multiple factors that change if k increases. It is possible that Ea increases as k decreases however this is not definitive. The increase in k can also be caused by an increase in concentration A or an increase in temperature T. Therefore to say higher k will always cause lower activation energy is incorrect.
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