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Chapter 16

QuestionAnswer
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
Buoyancy Ability of a fluid-a liquid or a gas-to exert an upward force on an object immersed in the fluid
Diffusion Spreading of particles throughout any given volume until they are uniformly distributed
Heat of Fusion Amount of energy required to change a substance from the solid phase to the liquid phase
Heat of Vaporization The amount of energy required for the liquid at its boiling point to become a gas
Kinetic Theory Explanation of the behavior of molecules in matter, states that all matter is made off constantly moving particles that collide without losing energy
Melting Point Temperature at which a solid begins to liquefy
Pascal SI unit of pressure
Plasma Matter consisting of positively and negatively charged particles
Pressure Amount of force exerted per unit area
Thermal Expansion Increase in size of a substance when the temperature is increased
Viscosity A fluid's resistance to flow
Created by: 1003437323055190
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