Multiple Choice
In a typical phase diagram, in which region does a substance exist in both the solid phase and the liquid phase simultaneously?
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13. Liquids, Solids & Intermolecular Forces
Phase Diagrams
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Which process describes the change of a substance from the gas phase to the liquid phase?
A
Evaporation
B
Condensation
C
Melting
D
Sublimation
Verified step by step guidance1
Identify the phases involved in the process: the gas phase and the liquid phase.
Recall the definitions of phase changes: Evaporation is liquid to gas, Melting is solid to liquid, Sublimation is solid to gas, and Condensation is gas to liquid.
Match the process that describes the change from gas to liquid, which is condensation.
Understand that condensation occurs when gas particles lose energy and come closer to form a liquid.
Conclude that the correct term for the change from gas phase to liquid phase is condensation.
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