A chemical reaction occurs in three paths having rate constants

CHEMISTRY · Subjective · A Level · Chemistry · Kinetics · Kinetics

Problem

K_1

K_2

and

K_3

respectively. If

E_{a1}

E_{a2}

and

E_{a3}

are 5, 4, 8 kJ respectively and overall rate constant

K = \frac{K_1 K_3}{K_2}

. Assuming

A_{av} = \frac{A_1 A_3}{A_2}

the overall energy of activation in kJ is .....