The equilibrium constant expressions for given equilibria reaction:
[tex]K_{eq} =\frac{[HI]^2}{[H_2][I_2]}[/tex]
The equilibrium of the chemical reaction can be defined as the situation of a reaction where the molar concentration of the reactant and products does not change over time.
During chemical equilibrium in a specific reaction, the rate of the forward reaction will be equal to the rate of the backward reaction. The concentration of the reactants as well as the products may not be equal but they have equal rates of reaction.
Given, the balanced chemical reaction of chemical equilibrium:
[tex]H_2(aq) + I_2(aq )\;\leftrightarrows 2HI (g)[/tex]
The equilibrium constant for a given equilibrium can be described as the ratio of the concentration of products to the concentration of reactants.
The equilibrium constant of the given chemical reaction can be represented as:
[tex]K_{eq} =\frac{[HI]^2}{[H_2][I_2]}[/tex]
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