\((W)\,\, = \,\, - 2.303\,\,nRT\,\log \,\frac{{{P_1}}}{{{P_2}}}\,\,\,\)
\( = \,\, - \,2.303\,\, \times \,\,1\,\, \times \,\,2\,\, \times \,\,300\,\, \times \,\,{\log _{10}}\,\frac{{10}}{1}\,\, \)
\(= \,\, - \,1381.8\,\,calories\)
આપેલ :$\Delta_{ dis } H _{ Cl _{2(g)}}^{\circ}=240\,kJ\,mol ^{-1}$.
$\Delta_{ eg } H _{ Cl _{(g)}}^{\circ}=-350\,kJ\,mol ^{-1}$,
$\Delta_{ hyd } H _{ Cl i _{( j )}^{\circ}}^{\circ}=-380\,kJ\,mol ^{-1}$
$N{H_{3(g)}}\, + \,\,\frac{3}{2}\,Cu{O_{(s)}}\, \to \,\,\frac{1}{2}\,{N_{2(g)}}\, + \,\,\frac{3}{2}{H_2}{O_{(\ell )}}\, + \,\,\frac{3}{2}\,C{u_{(s)}}.$ ......$J$