One mole of ice is converted into water at 273K. The entropies of ${\mathrm{H}}_2\mathrm{O}\left(\mathrm{s}\right)\text{ and }{\mathrm{H}}_2\mathrm{O}\left(\mathrm{l}\right)$  are 38.20 and 60.01 ${\mathrm{Jmol}}^{-1}{\mathrm{K}}^{-1}$ respectively. The enthalpy change for the conversion is