| A | B |
|---|
| State Coordinate | Any pysical property that changes with changes in Temperature |
| Adiabatic Wall | Allows 2 systems to vary independently in emp over a wide range of each other |
| Diathermal Wall | Allows a change in one system to affect another system when separated by wall |
| 0th Law of thermodynamics | If 2 systems are in thermal equilibrium with a third system then they are in equilibrium with each other |
| Heat | Thermal energy in transit. (movement) |
| Internal Energy | Total P.E. and K.E. of the molecules of a substance |
| Temperature | an indication of whether or not two systems are in thermal equilibrium |
| Triple Pt. | Temp and pressure where all three phases exist at equilibrium |
| Heat capacity | Heat necessary to increase the temp of an object by one celcius degree |
| Specific Heat capacity | heat necessary to increase the temp of an object by one celsius degree per gram |
| Law of Heat exchange | heat lost by object is equal to the heat gained by another object |
| Coefficient of Linear expansion | Change in length per unit length per degree change in temperature |
| Coefficient of cubic expansion | change in volume per unit volume per degree change in temperature |
| Boyle's Law | The pressure of a gas is inversely proportional to the volume at constant temp |
| Charles Law | volume of a gas is proportional to the Kelvin temp at constant pressure |
| Heat of fusion | the amount of heat necessary to freeze or melt a unit mass of a substance at its freezing pt or melting pt |
| Heat of Vaporization | Amount of of heat to vaporize a unit mass of a substance at its boiling point |
| Super Cooling | When a substance is cooled below its noraml freezing point and it does not freeze |
| Critical Pt | The temp above which a gas cannot be compressed into a liquid |
| Calorie | amount of heat necessary to raise the temp of one gram of water from 14.5 to 15.5 |
| Absolute zero | lowest temp on Kelvin scale where molecular energy is minimum |
