Which of the following is the equilibrium constant expression for the reaction?2NO(g) + O2(g) → 2NO2(g)None of the choices are correct.
Question
Which of the following is the equilibrium constant expression for the reaction?2NO(g) + O2(g) → 2NO2(g)None of the choices are correct.
Solution
The equilibrium constant expression for the reaction 2NO(g) + O2(g) → 2NO2(g) is given by the law of mass action as:
Kc = [NO2]^2 / ([NO]^2 * [O2])
Where:
- Kc is the equilibrium constant
- [NO2], [NO], and [O2] are the molar concentrations of NO2, NO, and O2 respectively at equilibrium.
The powers on the concentrations in the expression are equal to the stoichiometric coefficients in the balanced chemical equation.
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