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| 3577699366 | heat | the energy transferred between objects that are at different temperatures. |  | 0 |
| 3577699367 | enthalpy | the sum of the internal energy of a system plus the product of the system's volume multiplied by the pressure that the system exerts on its surroundings. |  | 1 |
| 3577699368 | temperature | a measure of how hot (or cold) something is; a measure of the average kinetic energy of the particles in an object. |  | 2 |
| 3577699847 | thermodynamics | the branch of science concerned with the energy changes that accompany chemical and physical changes. |  | 3 |
| 3577700262 | calorimetry | the measurement of heat-related constants, such as specific heat or latent heat. |  | 4 |
| 3577700263 | calorimeter | a device used to measure the heat absorbed or released in a chemical or physical change. |  | 5 |
| 3577700625 | Hess's law | the law that states that the amount of heat released or absorbed in a chemical reaction does not depend on the number of steps in the reaction. |  | 6 |
| 3577700873 | entropy | a measure of the randomness or disorder of a system. |  | 7 |
| 3577700874 | Gibbs energy | the energy in a system that is available for work. |  | 8 |
