Determine the value of kc for the following reaction if the equilibrium concentrations are as follows: [hcl]eq = 0.13 m, [hi]eq = 5.6 × 10-16 m, [cl2]eq = 0.0019 m. 2 hi(g) + cl2(g) ⇌ 2 hcl(g) + i2(s)

The value of is

Explanation:

Concentration equilibrium constant is defined as the ratio of concentration of products to the concentration of reactants each raised to the power their stoichiometric coefficients. It is represented by

For a general chemical reaction:

The expression for is written as:

For the given chemical reaction:

The expression for is written as:

The concentration for solid substances are taken to be 1.

We are given:

Putting values in above equation, we get:

Hence, the value of is

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