Question

If a 74.6 g sample of ice is placed in water and the temperature of the...

If a 74.6 g sample of ice is placed in water and the temperature of the ice and surroundings is 0 degrees Celsius and the pressure is 1 bar, calculate

A) delta s surroundings
B) delta s system
C) delta s universe
D) what can you conclude about the process from the value obtained in c)?
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Answer #1

Moles of ice = 74.6/18 = 4.14 moles

Molar heat of fusion of water = 6.02 kJ/mole

Since 24.92 kJ of heat is absorbed by the system, it will be released from the surroundings.

Therefore,

From we can conclude that melting of ice is a reversible process.

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