How much heat is released when 1500 g of steam at an initial temperature of 120^oC is changed to ice at 0^oC? (Hint - you have to calculate 4 separate values of Q).

Necessary information:

Specific heat of water is 1.0 cal/g/^oC

Specific heat of steam is 0.48 cal/g/^oC

L_v, latent heat of vaporization for water = 540 cal/g

L_f, latent heat of fusion for water = 80 cal/g