Answer:
20.0 g of water is heated from 16.8 °C to 39.2 °C.
35.0 g of water is cooled from 56.5 °C to 5.9 °C.
50.0 g liquid water is heated from 0.0 °C to 100.0 °C.
25.0 g of ice is warmed from -25.0 °C to 0.0 °C, but does not melt.
30.0 g of steam heats from 373.2 K to 405.0 K.
