For cyclic process : \(\Delta U = 0 \Rightarrow q = - w\)
For isothermal process : \(\Delta U = 0 \Rightarrow q = - w\)
For adiabatic process : \(q = 0 \Rightarrow \Delta U = W\)
For isochoric process : \(w = 0 \Rightarrow \Delta U = q\)
$CH_4\,(g)\,\,186.2\,JK^{-1}\,mol^{-1}$
$O_2\,(g)\,\,205.2\,JK^{-1}\,mol^{-1}$
$CO_2\,(g)\,\,213.6\,JK^{-1}\,mol^{-1}$
$H_2O\,(g)\,\,69. 9\,JK^{-1}\,mol^{-1}$
નીચેની પ્રક્રિયા માટે એન્ટ્રોપી ફેરફાર $(S^o)$ ........$JK^{-1}\,mol^{-1}$
$CH_4\,(g) + 2O_2\,(g) \to CO_2\,(g) + 2H_2O(l)$
${X_{\left( g \right)}} + {e^ - } \to X_{\left( g \right)}^ - $