THERMODYNAMICS

2. U=Q-W
4. The measure of disorder in a system.
6. Thermal equiilbrium when temperature are the same.
8. A form of thermal energy exchange that occurs through collisions between particles of matter.
9. Heat required to change 1 kilogram of a substance from one phase to another.
12. Energy in the form of heat.
16. A state in which a system has a constant temperature and experiences no net transfer of energy.
18. The transfer of thermal energy in the form of electromagnetic waves
19. A measured quantity that is proportional to the average kinetic energy of the particles in a substance.
20. Device that converts thermal energy into work.

1. The unit for work.
3. Entropy is always increasing.
5. A form of thermal energy exchange that is due to the physical movement of material.
7. The thermal energy required to change the temperature of a 1 kilogram of a substance by 1 degree Celsius.
10. A process whereby the degree of hotness changes.
11. The increase in length of an object due to an increase in its temperature.
13. A change from one state to another without charge in chemical composition.
14. Energy that is possessed by the virtue of being in motion
15. The lowest possible temperature.
17. Cannot reach absolute zero.