| A | B |
|---|
| Heat | Transfer of thermal energy from one object to another |
| Temperature | Measure of how hot or cold an object is compared to a reference point |
| Termal energy | Total potential and kinetic energy |
| Thermal expansion | increase in the volume of a material due to a temp increase |
| Specific heat | Amount of heat needed to raise the temperature of one gram of a material 1 deg C |
| Q | =m x c x Delta T |
| calorimeter | measures changes in thermal energy |
| compressibility | Measure of how much the volume of matter decreases under pressure |
| gases | easily compressed |
| space between particles | Gases are easily compressed because of the |
| 10 times the diameter | At room temperature the distance between particles is |
| Kilopascals | Pressure is measured in _______ |
| Liters | Volume is measure in _________ |
| Kelvin | Temperature is measured in ________________ |
| Thermochemistry | Study of energy changes that occur during changes |
| chemical potential energy | Energy stored in chemical bonds |
| Heat | q |
| Heat | Energy that transfers from one object to another because of a temp difference |
| Warmer to cooler | Heat always flow from a _____object to a _______ object |
| endothermic | process that absorbs heat from the surroundings |
| exothermic | Process that gives heat to the surroundings |
| Specific Heat | Amount of heat it takes to raise the temperature 1g of substance 1 deg Celsius |
| Calorimetry | Precise measurement of heat flow |
| Calorimeter | Used to measure absorption or release of heat |
| Conduction | Transfer of thermal energy with no overall transfer of matter |
| Conductor | Conducts thermal energy well |
| Insulator | Conducts thermal energy poorly |
| Convection | Transfer of thermal energy when particles of a fluid move from one place to another |
| Radiation | Transfer of energy by waves through space |
| 1st law of Thermodynamics | States that energy is conserved |
| 2nd law of Thermodynamics | Thermal energy can only flow to a warm object when work is done |
| 3rd law of Thermodynamics | Absolute zero cannot be reache |
| Absolute zero | Temperature where all motion stops |
