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← ScienceWhich 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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