$\frac{3}{2} \mathrm{O}_{2(\mathrm{~g})} \rightleftharpoons \mathrm{O}_{3(\mathrm{~g})} \cdot \mathrm{K}_{\mathrm{P}}=2.47 \times 10^{-29} \text {. }$
(આપેલ : R = $\left.8.314 \mathrm{JK}^{-1} \mathrm{~mol}^{-1}\right)$
\(\Delta_{\mathrm{r}} \mathrm{G}^{\ominus}=-\mathrm{RT} \ln \mathrm{K}_{\mathrm{P}}\)
\(=-8.314 \times 10^{-3} \times 298 \times \ln \left(2.47 \times 10^{-29}\right)\)
\(=-8.314 \times 10^{-3} \times 298 \times(-65.87)\)
\(=163.19 \mathrm{~kJ}\)
$\left[\mathrm{N}_2\right]=2 \times 10^{-2} \mathrm{M},\left[\mathrm{H}_2\right]=3 \times 10^{-2} \mathrm{M}$ અને $\left[\mathrm{NH}_3\right]=1.5 \times 10^{-2} \mathrm{M}$ પ્રક્રિયા માટે સંતુલન અચળાંક_______છે.
$N_2 + 3H_2 \rightleftharpoons 2NH_3 \,;$ $K_1$
$N_2 + O_2 \rightleftharpoons 2NO\,;$ $K_2$
$H_2 + 2 O_2 \rightleftharpoons H_2O\,;$ $K_3$
તો પ્રક્રિયા $2NH_3 + \frac{5}{2} \overset K \leftrightarrows 2NO + 3H_2O$ નો સંતુલન અચળાંક $(K)$ ...... થશે.