# Problem: At a given temperature, the elementary reaction A ⇌ B in the forward direction is first order in A with a rate constant of 2.50 x 10-2 s-1. The reverse reaction is first order in B and the rate constant is 7.50 x 10-2 s-1.a. What is the value of the equilibrium constant for the reaction  A ⇌ B at this temperature?b. What is the value of the equilibrium constant for the reaction  B ⇌ A at this temperature?

###### FREE Expert Solution

Part A.

$\overline{){\mathbf{K}}{\mathbf{=}}\frac{{\mathbf{K}}_{\mathbf{forward}}}{{\mathbf{K}}_{\mathbf{reverse}}}}$

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###### Problem Details

At a given temperature, the elementary reaction A ⇌ B in the forward direction is first order in A with a rate constant of 2.50 x 10-2 s-1. The reverse reaction is first order in B and the rate constant is 7.50 x 10-2 s-1.

a. What is the value of the equilibrium constant for the reaction  A ⇌ B at this temperature?

b. What is the value of the equilibrium constant for the reaction  B ⇌ A at this temperature?