How much heat in kcal is required to change 0.5 kg of ice, originally at - 10 0 * c into steam at 110 c? constants needed in the problemlatent heat of fusion=79.7 kcal/kg specific heat of ice=0.5 kcal/kg/k ; latent heat of vaporization ation = 539 kcal/kg ; specific heat of water 1.0 kcal/kg/k specific heat of ieam=0.480 kcal/kg