Ice is being prepared from water at 15∘C using the process shown below. The final temperature of ice is -10∘C and the final temperature of water which is used to cool the condenser is 30∘C. The minimum work required per kg ice for the process is
Use (Cp)water=4.18 kJ/kgK;(Cp)ice=2 kJ/kgK;Lice=334 kJ/kg