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← ScienceWhich outcome occurs when an endothermic solid-liquid phase transition is kinetically limited?
A)Supercooling precedes solvent crystallisation✓
B)Increased heat flow accelerates melting
C)Melting point temperature is decreased
D)Equilibrium is achieved instantaneously
💡 Explanation
Supercooling happens because the activation energy barrier to form the solid structure is high, impeding the phase transition even below the equilibrium melting point. Therefore, supercooling is observed rather than prompt crystallisation due to kinetic constraints.
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