110L, Wllal We weluon of the net reaction? 13 The equilibrium constant expression for a gas reaction is, [NH ] [0, K = [NOT" (H2O) Write the balanced chemical equation corresponding to this expression.
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Answer:
Correct option is
A
4NO(g)+6H
2
O(g)⇌4NH
3
(g)+5O
2
(g)
The equilibrium constant expression is K
C
=
[NO]
4
[H
2
O]
6
[NH
3
]
4
[O
2
]
5
.
The terms in the numerator indicates the concentrations of products raised to appropriate stoichiometric coefficients.
Thus the products are ammonia and oxygen. Their stoichiometric coefficients are 4 and 5 respectively.
The terms in the denominator indicates the concentrations of reactants raised to appropriate stoichiometric coefficients.
Thus the reactants are nitric oxide and water. Their stoichiometric coefficients are 4 and 6 respectively.
The balanced chemical equation is 4NO(g)+6H
2
O(g)⇌4NH
3
(g)+5O
2
(g).
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