How much heat energy has to be supplied to change 1 kg of ice at 0 degree Celsius are you present swadha

How much heat energy has to be supplied to change 1 kg of ice at 0 deg

1.	How much heat energy has to be supplied to change 1 kg of ice at 0 degree Celsius are you present swadha
Answer» for example, when I MELTING 1kg of ice (at 0°C under a wide range of PRESSURE), 333.55 KILO joules of ENERGY is abosorbed with no temperature change.