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    Reaction Order

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    If the overall reaction is the sum of the order of the reagents, and:

    Zero order = changing concentration of the reactant does not affect the reaction rate.
    First order = doubling the concentration of any reactant doubles the reaction rate
    Second order = doubling the concentration of any reactant quadruples the reaction

    Experiments show that, in the following reaction, doubling A doubled the reaction rate and the overall reaction order was 2. What is the reaction order?

    1, 2, 3, 4 or 5

    Note: there are very few, if any 3rd order reactions in any one reactant. Assume the temp is constant.

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    Solution Preview

    Rate = k*[A]^n * [B]^m

    If you look at your reaction First Order definition, if we double A ...

    Solution Summary

    This solution explains how to determine the overall reaction.