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← ScienceWhich outcome occurs when water undergoes rapid adiabatic decompression at high pressure?
A)Flash freezing and volume expansion✓
B)Spontaneous combustion and energy release
C)Superheated steam and container failure
D)Increased density without a phase change
💡 Explanation
Flash freezing results because adiabatic decompression causes rapid cooling. This leverages the Joule-Thomson effect resulting in quick phase change. Therefore, water freezes and expands, rather than combust or increase density, which require reactions or maintaining conditions.
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