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There is a change in during the phase transition

This question belongs to Chemical Engineering Chemical Engineering Thermodynamics
Chemical Engineering Thermodynamics
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There is a change in __________ during the phase transition.

Answer & Solution
Correct Answer: Option A
The phase change occurs at constant temperature and pressure under normal situations. But the volume changes because between two phases always there is a change in intermolecular forces except at critical condition.
Eg: when liquid is converting to vapor the vapor formed will have more volume than liquid.
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