4. explain why 50 g of liquid water at 0°c heats-up more quickly than 50 g of an ice water mixture at 0°c under the same conditions.
5. how much energy (in kilocalories, kcal) is needed to melt 33.8 g of ice at 0.0°c?
6. how much energy (in kilocalories, kcal) is needed to warm 33.8 g of liquid water from 0.0°c to 37.0°c?

with all 3 numbers 4,5,6