Chemistry - Thermodynamics - II Question with Solution | TestHub

The $\left({\mathrm{S}}^{\circ }\right)$ of the following substances are: ${\mathrm{CH}}_4\mathrm{g})186.2{\mathrm{JK}}^{-1}{\mathrm{mol}}^{-1}$ ${\mathrm{O}}_2$ (g) $205.2{\mathrm{JK}}^{-1}{\mathrm{mol}}^{-1}$ ${\mathrm{CO}}_2(\mathrm{g})213.6{\mathrm{JK}}^{-1}{\mathrm{mol}}^{-1}$ ${\mathrm{H}}_2\mathrm{O}(\mathrm{g})$ 69.9.JK ${}^{-1}{\mathrm{mol}}^{-1}$ The entropy change $\left(\Delta {\mathrm{S}}^{\circ }\right)$ for the reaction ${\mathrm{CH}}_4(\mathrm{g})+2{\mathrm{O}}_2(\mathrm{g})\to {\mathrm{CO}}_2(\mathrm{g})+2{\mathrm{H}}_2\mathrm{O}$ (l) is: