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Which outcome occurs when pressure increases beyond the critical point?

A)Indistinct phases; supercritical fluid forms
B)Sublimation rate sharply increases
C)Enthalpy of vaporization spikes
D)Triple point shifts toward lower temperature

💡 Explanation

At critical pressure, there is no phase transition, and phase separation cannot occur, because rapid molecular mixing dominates. Therefore, a supercritical fluid forms, rather than distinct liquid or gas phases, under specific temperature constraints.

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