How many calories of heat are required by 100 grams of ice at -5°C to change to

steam at 120 °C?

step 1

Use specific heat of ice from - 5 to 0
step 2
Use heat of fusion of water from ice to water
step 3
Use specific heat of water from 0 to 100
step 4
Use heat of vaporization of water from water to steam
step 5
Use specific heat of steam at 1 atm from 100 to 120