Thermal Physics 0.0 / 5 ? PhysicsThermal physicsA2/A-levelOCR Created by: AntoniadfCreated on: 22-04-18 15:00 Triple Point One specific temperature and pressure at which all 3 phases of substance exist in thermodynamic equilibrium 1 of 9 Thermal equilibrium No net flow of thermal energy between objects (are the same temperature) 2 of 9 Absolute Temperature Scale for measuring temperature based on absolute zero and the triple point of pure water (in kelvin K) 3 of 9 Absolute zero The lowest possible temperature, the temperature at which substances have minimum internal energy. 4 of 9 Brownian Motion Random, hapzard motion of smoke particles due to same motion of air particles. 5 of 9 Internal Energy The sum of the randomly distributed kinetic and potential energies of atoms, ions or mlecules within a substance. 6 of 9 Specific Heat Capacity The energy required per unit mass to change the temperature by 1K 7 of 9 Specific Latent Heat of Fusion The energy required to change unit mass from solid to liquid at constant temperature. 8 of 9 Specific Latent Heat of Vaporisation The energy required to chane unit mass of a substance from liquid to gas (at constant temperature). 9 of 9
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