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Vocabs_3.3_CB

vocabulary for chapter 3.3

QuestionAnswer
Phase change- Is the reversible physical change that occurs when a substance changes from one state of matter to another.
Endothermic- A system that absorbs energy from its surroundings.
Heat of fusion- The energy a substance must absorb in order to change from a solid to a liquid.
Exothermic- A system that releases energy to its surroundings.
Vaporization- The phase change in which a substance changes from a liquid into a gas.
Heat of vaporization- The energy of a substance must absorb in order to change form a liquid to a gas.
Evaporation- Is the process that changes a substance from a liquid to a gas at temperatures below the substances boiling point.
Condensation- Is the phase change in which a substance changes from a gas or vapor to a liquid.
Sublimation- Is the phase change in which a substance changes from a solid to a gas or vapor without changing to a liquid first.
Deposition- When a gas or vapor changes directly into a solid without first changing to a liquid.
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