## Activation Energy and Temperature

Arrhenius Equation: $\ln k = - \frac{E_{a}}{RT} + \ln A$

Hailey Donaldson 1E
Posts: 44
Joined: Fri Sep 25, 2015 3:00 am

### Activation Energy and Temperature

Is there an inverse relationship between activation energy and temperature? If so, how can you explain such a relationship?

Jonathan Shih 3H
Posts: 37
Joined: Fri Sep 25, 2015 3:00 am

### Re: Activation Energy and Temperature

Technically, there is no relationship between temperature and activation energy, the temperature doesn't affect the amount of activation energy that is need for the reaction to occur. However, when you start off at a higher temperature, the reactants naturally start of with more energy (temperature is a reflection of the average kinetic energy), so you don't need to input as much energy for the reaction to occur (or perhaps you've already reached enough energy for the reaction to occur). But bottomline is that the temperature itself doesn't affect the value of the activatione energy.