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ch14vocscience
| Question | Answer |
|---|---|
| Kinetic theory | is an explanation of how the particles in gases behave |
| Melting point | is the temperature at which a solid becomes a liquid |
| Heat of fusion | is the energy required to change a substance from solid to liquid at its melting point |
| Boiling point | is 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 | is the amount of energy required for the liquid at its boiling point to become a gas |
| Sublimation | is the process of a solid changing directly to a gas without forming a liquid |
| Plasma | is matter that has enough energy to overcome not just the attractive forces between its particles but also the attractive forces within its atoms |
| Thermal expansion | is an increase in the size of a substance when the temperature is increased |
| Buoyancy | is the ability of a fluid-a liquid or a gas-to exert an upward force on an object immersed in it |
| Pressure | is force exerted per unit area |
| Viscosity | is the resistance of a fluid to flowing |
| Boyle’s law | if you decrease the volume of a container of gas and hold the temperature constant, the pressure from the gas will increase |
| Charles’s law | the volume of a gas increases with increasing temperature, as long as the pressure on the gas does not change |
Created by:
amgrace