nodibis view.php?id 3235345 o Announcements 17SPRING0 Colorado State University

Question

nodibis view.php?id 3235345 o Announcements 17SPRING0 Colorado State University Pa Print Calculator Periodic Table 6 of 25 Consider the following mechanism. Map m step 1 A+ B equilibrium step 2: C+ A D slow overall: 2A B D Determine the rate law for the overall reaction (where the overall rate constant is represented as k). rate A B O Previous ® Give up s view Solution Check Answer ONext Exit Since tne sow Step you need to use the equilibrium step to nna a substitute expression for that intermediate in the rate law.

Explanation / Answer

The rate is given as

Rate = k [A][C] =====1)

The [C] is an intermediate and it can be had from equilibrium step

A + B <-----> C

Equilibrium Constant K = [C] / [A][B]

[C] = K [A][B]

Substituting tha value in eqn (1)

Rate = k [A]K [A][B] =====2)

Let k X K = k

Rate = k [A]2[B]

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