Multiple Choice
Which of the following causes a substance to change its state of matter from a solid to a liquid?
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13. Liquids, Solids & Intermolecular Forces
Phase Diagrams
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Which term describes the process that occurs when water vapor is cooled and changes from a gas to a liquid?
A
Freezing
B
Sublimation
C
Condensation
D
Evaporation
Verified step by step guidance1
Identify the phase change described: water vapor (gas) cooling and changing into a liquid.
Recall the definitions of phase changes: Freezing is liquid to solid, Sublimation is solid to gas, Evaporation is liquid to gas.
Understand that when a gas cools and becomes a liquid, this process is called condensation.
Match the process described (gas to liquid) with the correct term: condensation.
Conclude that the term describing water vapor cooling and changing to liquid is condensation.
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