The degree to which a chemical reaction proceeds to form a useful product and the time required to complete the conversions are two important aspects of modern chemistry. Chemical kinetics is the study of factors important to the speed at which a reaction forms product molecules. The final distribution of products and unconsumed reactants is often predetermined by the nature of the process and is representative of the chemical equilibrium, or balance, that is achieved.
A catalyst is a material that is added to a reaction mixture to accelerate the process but is itself not consumed. Rates may be increased by several orders of magnitude by trace amounts of these substances. On a microscopic scale the catalyst's role may be complex,
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