\(W\,\, = \,\, - \,P\Delta \,V\,\, = \,\, - \,\,1\,\, \times \,\,10\,\, = \,\, - \,\,10\ell \, - \,atom\)
\(W\,\, = \,\, - \,242.3\,\,Cal\,\, = \,\, - \,1013.7\,\,J\,\,\,\, \)
\(\Rightarrow \,\,\Delta \,U\,\, = \,\,q\,\, + \,\,w\,\, = \,\, - \,213.7\,\,J{\text{ }}\)
${N_2} + 3{H_2}$ $\rightleftharpoons$ $2N{H_3}$
