molecularity
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molecularity
What is the difference between order and molecularity. Does molecularity have to do more with elementary reactions?
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Re: molecularity
Order of a reaction is the power dependence of the rate on the concentration of the reactants. Molecularity refers to the number of reactants present (unimolecular, bimolecular, etc.)
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Re: molecularity
The order of the reaction depends on the pressures or concentrations of the reactants, while molecularity is the amount of different molecules in the reactants.
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Re: molecularity
Order is an experimental property that is concerned with kinetics or rate laws and can be any number (fractional, integral or even zero) while molecularity is the theoretical property that is concerned with mechanism and is always an integer excepting zero.
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