A sample of a voltage liquid is introduc...

A sample of a voltage liquid is introduced to an evacuated container with a movable piston . Which change occurs as the piston is raised ? (Assume some liquid remains.)
(P) The fraction of the molecules in the gas phase increases .
(Q) The pressure in the container decreases .

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A sample of a voltage liquid is introduced to an evacuated container with a movable piston . Which change occurs as the piston is raised ? (Assume some liquid remains.)
(P) The fraction of the molecules in the gas phase increases .
(Q) The pressure in the container decreases .