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Phase Transformations

Problem 2.205

What fraction of water supercooled down to the temperature t=−20∘Ct=-20{ }^{\circ} \mathrm{C} under standard pressure turns into ice when the system passes into the equilibrium state? At what temperature of the supercooled water does it turn into ice completely?

Reveal Answer
2.205. η=c∣t∣lq=0.25,\eta=c|t| l q=0.25, where qq is the specific heat of melting of ice; at t=−80∘Ct=-80^{\circ} \mathrm{C}.
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