Heat is added to 0.77 kg of ice at -25 °C. How many kilocalories are required to change the ice to steam at 131 °C?

I don't even know where to begin with this

1 answer

add the heat to heat the ice to 0C
Then the heat to melt the ice at 0C
then to heat the water from 0C t0 100C
then to convert the water to steam at 100C
then to heat the steam from 100C to 131C

add them all up.