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Which outcome occurs when pressurized liquid water is injected into vacuum environment well above triple point temperature?

A)Flash evaporation with rapid cooling
B)Homogeneous ice crystal formation
C)Supercritical fluid transition without boiling
D)Delayed boiling due to surface tension

💡 Explanation

When pressurized liquid is injected into vacuum, rapid depressurization causes immediate boiling via flash evaporation because water molecules gain extensive kinetic energy, extracting large quantities of heat for the phase change, leading to rapid cooling. Therefore flash evaporation and cooling occurs, rather than ice formation, supercritical state, or boil delay which require different pressure or temperature conditions.

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