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vocab_3.3_nr

QuestionAnswer
What are six common phase changes? Melting, Freezing, Vaporization, Condensation, Sublimation, and Deposition
What is an Endothermic change? Is when the system absorbs energy
What is "Heat of Fusion"? The energy a substance must absorb in order to change from solid to liquid.
What is an exothermic change? Is when the system releases energy to its surroundings
What is vaporization? The phase change in which a substance changes from a liquid to a gas
What is evaporation? Is the process that changes a substance from a liquid to a gas at tempatures below the substances boiling point
What is vapor pressure? The pressure caused by the collisions of particles in a vapor with the walls of a container
What is condensation? Is the phase change in which a substance changes fron a gas or vapor to a liquid
What is sublimation? Is the phase change in which a substance changes from a solid to a gas or vapor
What is deposition? When a gas or vapor changes directly into a solid without first changing to a liquid
Created by: nross
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