The decomposition of ozone is given by the equation:

O₃ (g) → O₂ (g) + O (g)

The rate constant at 700 K was measured as 

4.85 × 104 M^-1s^-1 and at 800 K was 

3.58 × 105 M^-1s^-1. Find the activation energy in kJ/mol.