$R = 8.314\, J\,K^{-1}\,mol^{-1} \,\,\,2.303 \times 8.314 \times 298 = 5705$
\(\Delta G° = -54.07×103 - 298 × 10 = - 57050 \) અને
\(\Delta G° = -2.303 RT\) \(log_{10}K\)
\(- 57050 = -2.303 × 8.314 × 298 × log_{10}K\)
\(log_{10}K = 10\)
$(i)\,\,{C_{12}}{H_{22}}{O_{11}}\,\, + \,\,12{O_2}\,\, \to \,\,12\,\,C{O_2}\, + \,\,11{H_2}O,\,\,\,\,\,\,\,\,\,\,\,\,\Delta H\,\, = \,\, - 5200.7\,kJ\,mo{l^{ - 1}} $
$(ii)\,\,C\,\, + \,\,{O_2}\, \to \,\,C{O_2},\,\,\,\,\,\,\,\,\,\,\,\,\Delta H\,\, = \,\, - \,394.5\,\,kJ\,\,mo{l^{ - 1}}$
$(iii)\,\,{H_2}\,\, + \,\frac{1}{2}{O_2}\,\, \to \,\,\,{H_2}O,\,\,\,\,\,\,\,\,\,\Delta H\,\, = \,\, - \,285.8\,kJ\,\,mo{l^{ - 1}}$
[આપેલ : $R =8.314 \,J mol ^{-1} K ^{-1}$ ધારી લો કે હાઈડ્રોજન એ એક આદર્શ વાયુ છે.] [ પરમાણ્વીય દળ $Fe = 55.85\, u$ છે.]