5 Collision
Theory of
Theory of
Theory of
Theory of
Theory of
Chemical
Chemical
Chemical
Chemical
Chemical
Reactions
Reactions
Reactions
Reactions
Reactions
Fig 3 11: Effect of catalyst on activation
energy
log k2 = 
a
1
1
2
1
1
log
2 303
E
k
T
T
R








= 


1
5
1
1
1
1
209000 J mol L
log 1