The expression for the equilibrium constant for gaseous reaction is K_c = $\frac{{\left[{\mathrm{NH}}_3\right]}^4{\left[{\mathrm{O}}_2\right]}^5}{{\left[\mathrm{NO}\right]}^4{\left[{\mathrm{H}}_2\mathrm{O}\right]}^6}$ . Identify the correct balanced chemical equation corresponding to this expression