Thermochemistry

4. the change in the enthalpy of a chemical reaction that occurs at a constant pressure
6. the capability for doing work
7. the heat absorbed by one mole of that substance as it is converted from a solid to a liquid
8. the heat required to raise the temperature of the unit mass of a given substance by a given amount
9. the process of measuring the amount of heat released or absorbed during a chemical reaction
10. an apparatus for measuring the amount of heat involved in a chemical reaction or other process
11. the energy due to position, composition, or arrangement
15. change in enthalpy produced when one mole of the substance is completely burnt in air or oxygen at a given temperature
17. a unit of energy equivalent to the heat energy needed to raise the temperature of 1 gram of water by 1 °C
18. a branch of chemistry that describes the energy changes that occur during chemical reactions
19. form of energy that an object or a particle has by reason of its motion

1. the heat absorbed by one mole of a substance as it is converted from a liquid to a gas
2. accompanied by the release of heat
3. the energy stored in the chemical bonds of a substance
5. degree of hotness or coldness measured on a definite scale
12. a thermodynamic quantity equivalent to the total heat content of a system
13. energy can neither be created nor destroyed
14. the SI unit of work or energy
16. transfer of kinetic energy from one medium or object to another, or from an energy source to a medium or object
20. accompanied by or requiring the absorption of heat