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← ScienceWhich outcome occurs when a closed system containing water exceeds its critical point temperature at constant volume?
A)Distinct liquid and gas phases vanish✓
B)Azeotropic distillation becomes possible
C)Covalent bonds within water molecules break
D)Rate of ice crystal formation rapidly increases
💡 Explanation
When a system exceeds its critical point temperature at constant volume, the meniscus between liquid and gas phases disappears because the properties of both phases converge at this point. Therefore, distinct phases vanish, rather than azeotropic distillation, covalent bond breaking, or increased ice formation, which require different thermal or compositional conditions.
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