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Joe's STACK
stack
| Question | Answer |
|---|---|
| gas | the state of matter in which an object has neither a definite shape nor volume |
| solid | the state of matter in which the object has a definite shape and definite volume. |
| liquid | the state of matter in which has object has a definite volume but not a definite shape |
| kinetic energy | the energy n object has due to its motion |
| phase change | the reversible physical change that occurs when a substance changes from one state of matter to another |
| endothermic | when energy is absorbed during a phase change, from its surroundings |
| heat of fusion | the energy a substance must absorb in order to change from a solid to a liquid (melting) |
| exothermic | a description of a change in which a system releases energy to its surroundings |
| vaporization | phase change in which a substance changed from a liquid to a gas |
| heat of vaporization | the energy a substance must absorb in order to change from a liquid to a gas |
| vapor pressure | the pressure cause3d by the collision of particles in a vapor with the walls of a container |
| condensation | the phase change in which a substances changes from a gas or a vapor to a liquid |
| sublimation | the phase change in which a substance changes from a solid to a gas or vapor without changing to a liquid first |
| deposition | the phase change in which a gas or vapor changes directly to a solid without first changing into a liquid |
| evaporation | liquid to a gas at temperatures below the substances boiling point |
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bunnypeople
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