Arrhenius 1889: k(T) = A·exp(−E_a/(k_B T))

Svante Arrhenius 1889 (Z. Phys. Chem. 4:226) formulated the temperature-dependence of chemical reaction rate constants as k(T) = A·exp(−E_a/(k_B T)) with pre-exponential factor A (collision-frequency × steric factor) and activation energy…