Introduction:
It is helpful to be able to predict whether an action of some sort will affect the rate at which a chemical reaction occurs. There are a number of factors that do affect the rate of a chemical reaction. Reactions usually require collisions between reactant molecules or atoms. The formation of bonds requires atoms to come close to one another. New bonds can form only if the atoms are close enough together to share electrons. Some collisions are not successful. These are called ineffective collisions. The particles simply hit and then rebound. Collisions that lead to products are called effective collisions. An effective collision must happen with a great enough speed, energy and force to break bonds in the colliding mole
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