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1) If water is at 50° C, and energy is removed from the water until it is at -10° C (while

maintaining a constant pressure of 760 mm), describe the phase change of the water.

Asolid water to water vapor
Bsolid water to liquid water
Cliquid water to solid water
Dliquid water to water vapor

2 )At a constant pressure, freezing occurs by

Aabsorbing energy.
Breleasing energy.
Cconducting energy.
Dcirculating energy.

Verified Answer :

scme1702

The water will be liquid at 50 °C and solid at -10 °C so the transition is from liquid to solid.
The answer is C.

Freezing releases energy. The answer is B.

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