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Ch. 16
Vocab
Term | Definition |
---|---|
Kinetic Theory | An explanation of how particles in matter behave. |
Melting Point | The temperature at which a solid begins to liquefy. |
Heat of Fusion | The amount of energy required to change a substance from the solid phase to the liquid phase at its melting point |
Boiling Point | The temperature at which the pressure of the vapor in the liquid is equal to the external pressure acting on the surface of the liquid. |
Heat of Vaporization | The amount of energy required for the liquid at its boiling point to become a gas. |
Diffusion | The spreading of particles throughout a given volume until they are uniformly distributed. |
Plasma | Matter consisting of positively and negatively charged particles. |
Thermal Expansion | An increase in the size of a substance when the temperature is increased |
Buoyancy | the ability of a fluid |
Pressure | Force exerted per unit area. |
Viscosity | The resistance to flow by a fluid. |
Pascal | The SI unit of pressure |