Chapter 8
Order by
18 terms
Terms | Definitions |
|---|---|
 First Law Of Thermodynamics | Energy cannot be created or destroyed |
| Second Law Of Thermodynamics | Every energy transfer or transformation increases the entropy of the universe |
| Third Law Of Thermodynamics | absolute zero cannot be reached |
| Radiation | the transfer of energy by electromagnetic waves |
| Convection | the transfer of heat through a fluid (liquid or gas) caused by molecular motion |
| Conduction | the direct transfer of heat from one substance to another substance that it is touching |
| Three Temperature Scales | Fahrenheit, Celsius, & Kelvin |
| Kinetic Theory of Matter | the idea that all matter is made up of tiny particles in constant motion |
| Kinetic Energy | energy of motion |
| Potential Energy | stored energy |
| Heat | a form of energy that is transferred by a difference in temperature |
| Temperature | A measure of the average energy of motion of the particles of a substance |
| Exothermic | chemical reaction in which energy is primarily given off in the form of heat |
| Endothermic | occurring or formed with absorption of heat, cold |
| Boiling Point | the temperature at which a liquid boils |
| Melting Point | the temperature at which a substance changes from a solid to a liquid |
| Heat of Vaporization | the energy a substance must absorb in order to change from a liquid to a gas |
| Heat of Fusion | amount of energy required to change a substance from the solid phase to the liquid phase |
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