What is arrehenius equation and why it is used?

Sharad Jaiswal
Sharad Jaiswal

Posted On: Nov 19, 2020


Swedish chemist Svante Arrhenius gave the Arrhenius equation. Until 1899, it was not clear why the rate of reaction doubled for a 10-degree rise in most of the chemical reactions. After the Arrhenius equation is discovered, the problem is solved as it explains the relation between the temperature and rate of reaction.


where k represents the kinetic reaction rate

Ea is the activation energy

R represents the universal gas constant and

T is the absolute temperature.

After solving the above equation, it gives another useful equation, which is:


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