Question

In a unimolecular reaction with seven times as much starting material as product at equilibrium, what is the value of keq?

Answer 1

K_eq = 0.14

The chemical equation is  

A ⇌ B

The equilibrium constant expression is

K_eq = [B]/[A]

If [A] = 7[B]

K_eq = [B]/{7[B]}= 1/7 = 0.14