Amixture of hydrogen and nitrogen, which produces ammonia (nh3) in a reaction vessel, is allowed to reach equilibrium at a given temperature. the equilibrium mixture of gases contained 0.254 m nh3, 1.85 m n2, and 9.26 m h2. calculate the equilibrium constant, kc at this temperature.

Explanation:

Equilibrium constant is defined as the ratio of concentration of products to the concentration of reactants each raised to the power their stoichiometric ratios. It is expressed as

The given balanced equilibrium reaction is,

At eqm. conc.     1.85 M         9.26M         0.254M

The expression for equilibrium constant for this reaction will be,

Now put all the given values in this expression, we get :

Thus the value of the equilibrium constant is

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