An electric heater 1000W is used to heat 0.2kg of ice. Initially at -10°C to until all the mass changes to steam at 100°C.

Specific heat capacity of ice = 2.1 x 10^{3} JKg^{-1}K^{-1}

Latent heat of fusion of ice = 3.34 x 10^{5} JKg^{-1}

Specific heat capacity of water = 4.2 x 10^{3}JKg^{-1}K^{-1}

Latent heat of vaporization of steam = 2.26 X 10^{6}Kg^{-1}

Calculate:

- The amount of heat required to raise the temperature of ice from -10°C to ice at 0°C.
- The amount of heat required to convert ice into water at 0°C.
- The amount of heat required to raise the temperature of water at 0°C to water at 100°C.
- The amount of heat required to change water to steam at 100°C.
- The minimum time required in minutes for activity in (i) to (iv) to take place