Introduction to Rate Law

AP Chemistry· difficulty 4/5

For the reaction A + B → P, doubling [A] doubles the rate; doubling [B] quadruples the rate. The rate law is

  • A

    rate = k[A][B]

  • B

    rate = k[A]2^2[B]

  • C

    rate = k[A]2^2[B]2^2

  • D

    rate = k[A][B]2^2

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Explanation

First order in A (2× → 2×), second order in B (2× → 4×). Total order = 3.

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