### Arrhenius Equation question

Posted:

**Thu Mar 14, 2019 6:52 pm**When finding the activation energy with the arrhenius equation in a temperature change, we use ln(k1/k2) = Ea/R (1/T2 - 1/T1).

Will k2 and k1 both always be given? If only one is given, how do we find the other?

Will k2 and k1 both always be given? If only one is given, how do we find the other?