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Which outcome occurs when maintaining constant volume during water's phase change?

A)Pressure rapidly decreases unexpectedly
B)Temperature remains constant throughout
C)Enthalpy decreases proportionally throughout
D)Extensive superheating always occurs

💡 Explanation

When water changes phase at constant volume, the pressure decreases rapidly due to fewer gas molecules within the closed system exhibiting lower kinetic energies, therefore pressure drops dramatically rather than staying constant unlike temperature under constant pressure.

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