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Which outcome arises when a closed container of water and ice is rapidly depressurized at constant temperature?

A)Rapid boil of water and increased ice
B)Immediate freezing of entire volume
C)Sublimation of ice and cooling
D)Equilibrium shift favoring liquid phase

💡 Explanation

When depressurized at temperatures around the freezing point, vapor pressure increases above process pressure thereby triggering rapid vaporization and the heat of vaporization is drawn from the remaining liquid causing some of it to freeze, according to Le Chatelier's principle. Therefore rapid boiling resulting in relatively more ice results rather than complete freezing, sublimation, or liquid equilibrium shifts which require heat input or pressure increase.

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