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Vocab_3.3_c.n

Vocabulary for 3.3

QuestionAnswer
What is a Phase Change? A reversible physical change that occurs when a substance changes from one state to another.
What is endothermic? The system absorbs the energy around its surroundings.
What is exothermic? The system releases the energy from its surroundings.
What is heat of fusion? The energy a substance must absorb in order to change from a solid to a liquid.
What is vaporation? The phase change in which a substance changes from a liquid to a gas.
What is heat of vaporation? The energy a substance must absorb in order to change from a liquid to a gas.
What is evaporation? The process that changes a substance from a liquid to a gas at temperatures below the substance's boiling point.
What is Vapor Pressure? The pressure caused by collition of particles in a vapor with the walls of the container.
What is condensation? The phase change when a substance changes from a gas to a vapor liquid.
What is sublimation? The phase change when a substance changes from a solid to a gas vapor from a liquid first.
What is deposition? The phase change when a substance changes from a gas vapor changes into a solid but first became as liquid.
Created by: colenelson
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