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Which outcome occurs when pressurized liquid CO₂ undergoes rapid adiabatic expansion?

A)Vapor pressure quickly overwhelms surface
B)Fluid temperature increases noticeably
C)Density remains relatively constant
D)Supercritical state remains always constant

💡 Explanation

Rapid adiabatic expansion promotes liquid-vapor phase transition through the Joule-Thomson effect, because the internal energy decreases upon separation accelerating cavitation. Vapor pressure rises sharply and overwhelms surface tension, therefore bubble formation increases rather than remaining stable under compression.

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