Thermochemistry

1. equal to the work done by a force of one newton
4. heat absorbed by one mole of that substance as it is converted from a solid to a liquid.
7. intensity of heat present in a substance or object
10. requiring the absorption of heat
12. energy equivalent to the heat energy needed to raise the temperature of 1 gram of water
14. quantitative property that is transferred
16. used to measure amounts of heat transferred to or from a substance.
17. the heat absorbed by one mole of a substance as it is converted from a liquid to a gas
19. for measuring the amount of heat involved in a chemical reaction
20. the energy that it has due to its motion

2. accompanied by the release of heat
3. energy stored in the chemical bonds of a substance.
5. is the study of the heat energy
6. the quality of being hot high temperature.
8. the difference in enthalpy between products and reactants
9. the heat required to raise the temperature of the unit mass
11. energy can neither be created nor destroyed
13. heat when a substance undergoes complete combustion with oxygen under standard conditions
15. the sum of the system's internal energy and the product of its pressure and volume.
18. the energy held by an object