The reaction order can be ascertained from experimental data using either the differential rate law or the integrated rate law. In the rate law, the exponents are frequently positive numbers, such as 1 and 2 or even 0. In each reactant, the reactions are therefore of the zeroth, first, or second order.
The link between a chemical reaction's rate and the concentration of the species involved is referred to as the order of reaction. The rate expression (or rate equation) of the relevant reaction must be ascertained in order to determine the reaction order.
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