Vapor by 1 kes 80 kcal to meit 1 kg of on sitting at o c and s40 kcal to evaporate 1 ㎏ of iquid water sitting at 100 c which stater ent is correct about the amount of energy required heat, melt or evaporate water? to melt 5 kg of ice at o c requires 125 kcal. to raise the temperature of 5 kg of water vapor by 50 c requires 400 kcal. o to raise the t of 5 kg of liquid water by 50 c reaires 125 kcal to meit 5 kg of ice at 0 c requires 250 kcal to raise the temperature of 5 kg of ice by 50 c requires 125 kcal. tries 0/2