What is the Activation Energy Calculator?

The Activation Energy Calculator helps students and chemistry learners determine the activation energy (Ea) of a reaction using the Arrhenius equation. By entering two rate constants measured at two different temperatures, the calculator uses a logarithmic relationship to compute how much energy is required for the reaction to proceed. This allows users to better understand reaction speed, temperature dependence, and the energy barrier that molecules must overcome during a chemical process.

How to Use:

1. Enter Rate Constant k₁: Type the value of the first rate constant measured at temperature T₁.
2. Enter Rate Constant k₂: Type the value of the second rate constant measured at temperature T₂.
3. Enter Temperatures T₁ and T₂: Input both temperatures in Kelvin.
4. Click “Calculate”: The calculator applies the Arrhenius equation and computes the activation energy in J/mol.
5. Review Result: The output shows the value of Ea, which indicates how much energy must be supplied for the reaction to occur.