thermochemistry vocabulary

7. is energy stored in the chemical bonds of a substance.
9. the heat absorbed by one mole of that substance as it is converted from a liquid to a gas.
11. is stored in the bonds of chemical compounds (molecules and atoms).
14. a device used to measure the amount of heat involved in a chemical or physical process.
15. is the exchange of "thermal” energy due to a temperature difference.
17. is the amount of energy exerted when a force of one newton is applied over a displacement of one meter.
19. the heat absorbed by one mole of that substance as it is converted from a liquid to a gas.
20. the heat absorbed by one mole of that substance as it is converted from a solid to a liquid.

1. is the change in the enthalpy of a chemical reaction that occurs at a constant pressure
2. if heat is absorbed by the system from the surroundings.
3. characterized by or formed with evolution of heat.
4. is an energy-like property or state function
5. is the quantity of heat required to raise the temperature of one gram of a substance by one Celsius degree.
6. is energy an object has because of its motion.
8. is the change in enthalpy produced when one mole of the substance is completely burnt in air or oxygen at a given temperature.
10. is the branch of chemistry concerned with the quantities of heat evolved or absorbed during chemical reactions.
12. is measure of the average kinetic energy of the atoms or molecules in the system
13. is the amount of energy is neither created nor destroyed.
16. is energy due to position, composition, or arrangement.
18. is energy unit equal to the approximate amount of energy required to raise one gram of water by one degree Celsius, or about 4.2 joules.