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← ScienceWhich outcome occurs when a sealed tank exceeds the critical temperature for liquid-gas transition?
A)Disappearance of distinct phase boundary✓
B)Increased convective heat transfer rate
C)Solidification throughout remaining liquid
D)Cessation of molecular kinetic energies
💡 Explanation
A supercritical fluid forms, due to thermal agitation exceeding intermolecular forces; the meniscus vanishes. Therefore, the boundary disappears, rather than the fluid solidifying or halting molecular motion, because the substance is above the transition at high heat.
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