6.2.2 and 6.2.3

6.2.2 Define the term activation energy, Ea.

6.2.3 Describe the collision theory.


1) The more frequent the collisions the faster the reaction.
2) In order to react, particles must have a minimum kinetic energy in order to overcome the repulsion between molecules and to break bonds become reacting to become products.
3) If the molecules dont react in appropriate orientation, a reaction wont take place.

Activation energy	Activation energy is the minimum value of kinetic energy which particles must have before they are able to react.
Three factors that affect the rate of reaction:	1)      Collision frequency
	2)      Number of particles having greater kinetic energy than activation energy
	3)      Appropriate collision geometry