Why Does Increasing Temperature Generally Increase The Rate Of A Chemical Reaction?

Why does increasing temperature generally increase the rate of a chemical reaction?

 

Particles can only react when they collide. If you heat a substance, the particles move faster and so collide more frequently. That will speed up the rate of reaction. As the average kinetic energy increases, the particles move faster and collide more frequently per unit time and possess greater energy when they collide. Both of these factors increase the reaction rate. Hence the reaction rate of virtually all reactions increases with increasing temperature.


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