difference between activation energy and threshold energy?
I was wondering whether any of you know what's the difference between activation energy and threshold energy?
According to trusty old WikiAnswers, there's no difference. This is in accordance with a couple of other websites.
But according to my textbook:
Activation energy is the minimum increase in potential energy of a system required for molecules to react.
Threshold energy is the mimum kinetic energy required to convert kinetic energy into activation energy during the formation of the activated complex.
Aren't these the same things? :-\ ??? :-X