From the following data, the enthalpy change for the sublimation of ice at 223 K will be [mean heat capacity of ice $=2{\mathrm{JK}}^{-1}{\mathrm{g}}^{-1}$ , mean heat capacity of ${\mathrm{H}}_2\mathrm{O}\left(\mathrm{l}\right)=4.2{\mathrm{JK}}^{-1}{\mathrm{g}}^{-1}$ , mean heat capacity of ${\mathrm{H}}_2\mathrm{O}\left(\mathrm{v}\right) =1.85{\mathrm{JK}}^{-1}{\mathrm{g}}^{-1}$ enthalpy of fusion of ice at $0^{\circ }\mathrm{C}=334 {\mathrm{Jg}}^{-1}$, enthalpy of evaporation of water at ${100}^{\circ }\mathrm{C}=2255{\mathrm{Jg}}^{-1}$