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Q.

Enthalpy change for freezing of 1g of water at 1 bar and is 334J. Calculate the internal energy change in J when 1g of water is converted into ice?

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a

334

b

668

c

205

d

0

answer is B.

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Detailed Solution

When 1g  H2O is converted into ice then internal E is equal to enthalpy change for freezing at 1 bar 20oC. So 334 J

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