Ice cream - Ice formation - Nucleation and growth

4 important questions on Ice cream - Ice formation - Nucleation and growth

By what are the nuclei stabilised and destabilised?

Stabilised --> by the decrease in the free energy associated with the formation of the more stable crystalline phase
Destabilized --> by the increases in free energy associated with the creation of interfaces

What happens to nuclei that are too small?

They dissolve back into the solution

What happens when the nuclei is smaller than the critical radius?

The costs for creating a new interface is larger than the energy gain of forming ice. Therefore, the ice crystal will melt again.
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What happens when the critical radius decreases?

The growth of the crystals will start earlier in the freezing process and more smaller crystals will form.

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