Thermochemistry

6. enthalpy change for the formation of one mole of the substance in its standard state from its elements in their reference forms and in their standard states
8. its surroundings.
11. A non SI unit of energy
12. A chemical reaction or a physical change in which heat is absorbed(positive)
14. the heat absorbed by one mole of that substance as it is converted from a liquid to a gas.
15. The branch of chemistry concerned with the quantities of heat evolved or absorbed during chemical reactions.
17. The energy associated with an object by virtue of its motion
19. used to measure amounts of heat transferred to or from a substance.
20. A chemical or physical change in which heat is envolved(negitive)

1. The energy stored in the chemical bonds of a substance.
2. Energy may be converted from one form to another but total quantity of energy remains
3. change in enthalpy for a reaction at a given temperature and pressure
4. The energy an object has by virtue of its position in a field of force
5. The energy that flows into or out of a system because of a difference in temperature between a thermodynamic
7. the heat absorbed by one mole of that substance as it is converted from a solid to a liquid.
9. The Si unit of energy
10. A measure of the average kinetic energy of the atoms or molecules in the system
13. The potential or capacity to move matter
16. The quantity of heat needed to rise the temperature of the sample of substance by 1c
18. An extensive property of a substance that can be used to obtain the heat absorbed or evolved in a chemical reaction