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← ScienceWhich outcome occurs when cooling a supercooled liquid at the critical nucleation rate?
A)Rapid homogeneous nucleation occurs✓
B)Molecular kinetic energy sharply increases
C)Diffusion is greatly accelerated
D)Heat capacity becomes zero
💡 Explanation
Rapid homogeneous nucleation occurs because the rate establishes conditions for spontaneous phase transformation. Interface formation overcomes energy barriers due to the supercooling; therefore, uniform solid phase particles appear, rather than heterogeneous sites dominating.
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