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Which outcome occurs when a pure substance exceeds triple point temperature under constant volume conditions?

A)Sublimation proceeds without a liquid phase
B)Rate of evaporation plateaus exponentially
C)Boiling occurs at a low temperature
D)Supercritical fluid separates into phases

💡 Explanation

Sublimation happens directly because the substance exceeds the triple point; the substance bypasses the liquid phase via sublimation, rather than liquefying and then vaporizing as the increased energy facilitates a solid-gas transition.

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