Collision theory and rates of reaction
A catalyst is a substance that can increase the rate of a reaction. The catalyst itself remains unchanged at the end of the reaction it catalyses. Only a very small amount of catalyst is needed to increase the rate of reaction between large amounts of reactants.
Different catalysts catalyse different reactions. The table summarises some common catalysts used in industry and the reactions they catalyse:
|iron||making ammonia from nitrogen and hydrogen|
|platinum||making nitric acid from ammonia|
|vanadium(V) oxide||making sulphuric acid|
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