As the heat is absorbed.
$\therefore q =+208 J$
Now for reversible isothermal process,
$q =- W$
$\therefore W =- q =-208 J$
Hence the values of $q$ and $W$ for the process will be $+208 J$ and $-208 J$ respectively.
પદાર્થ | $H _{2}$ | $C$(ગ્રેફાઈટ) | $C _{2} H _{6}( g )$ |
$\frac{\Delta_{ C } H ^{\Theta}}{ kJmol ^{-1}}$ | $-286.0$ | $-394.0$ | $-1560.0$ |
તો,ઈથેનની સર્જન એન્થાલ્પી ........
$R = 8.314\, J\,K^{-1}\,mol^{-1} \,\,\,2.303 \times 8.314 \times 298 = 5705$