Consider the kinetic data given in the table below for the first order reaction:

What is the value of the activation energy?

A_2_--> 2A

Expt. Initial [A2] Temp. Initial Rate
mol/L (°C) [A2]·s–1
1 0.10 100 1.2 x 10–3
2 0.20 200 4.8 x 10–3
3 0.15 ? 4.5 x 10–3

See your other post above.