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Which outcome arises when rapid depressurization causes a volatile liquid to undergo phase transition?

A)Temperature decrease due to adiabatic expansion
B)Pressure increase from vapor formation
C)Viscosity increase from molecular entanglement
D)Density increase from molecular compression

💡 Explanation

When rapid depressurization initiates a phase transition (liquid to gas), adiabatic expansion occurs because energy converts into volume, leading to a decrease in temperature, known as auto-refrigeration. Therefore, temperature drops, rather than pressure, viscosity, or density increase, which necessitate alternative molecular interactions or external compression.

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