Water, H2O- heat capacity of a solid 0.49 cal/g °C, heat of fusion 80.0 cal/g
Heat capacity of liquid 1.00 cal/g° C, heat of vaporization 540 cal/g
Heat capacity of gas 0.48 cal/g° C

1. How much heat is needed to warm 45.6 grams water from 23.0° C to 40.0 °C?
2. What quantity of heat is involved in changing 23.6 grams of ice at -34.0 °C to ice at 0 °C?
3. How much heat is removed to convert 532 grams of water at 0 °C to ice at 0 °C?
4. How much heat is released when 57.8 grams steam at 109°C cools to water at 100°C?
5. How much heat is required to convert 905 grams of water at 21.0°C to steam at 121 °C?
6. How much heat is released when 361 grams of steam at 100°C cools to water at 45.6°C?
Aluminum constants- heat of fusion 10.659 J/mole, heat capacity of solid 24.3 J/mol°C, melting point 660.2°C.
7. How much heat is needed to warm 5.67 moles aluminum from 22.0 °C to 90 °C?
8. How much heat is needed to warm 7.00 moles aluminum from 27.0°C to liquid aluminum to its melting point?
9. You are going to use water to cool molten aluminum to the solid state. You have 15.9 grams of molten aluminum at its melting point. If it is cooled to the temperature of 16.0°C, what will the final temperature of the cooling water be if you use 256 grams of water initially at 22.0 °C to cool the aluminum?