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Forum Question BankThe enthalpy of fusion of water is 1.435 kcal/m…

MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Physical ChemistryThermodynamics and ThermochemistryPrevious Year Questions

The enthalpy of fusion of water is 1.435 kcal/mol. The molar entropy change for the melting of ice at 0°C is (2012)

A.10.52 cal/(mol K)

B.21.04 cal/(mol K)

C.5.260 cal/(mol K)✓ Correct

D.0.526 cal/(mol K)

Explanation

∆Hfus = 1.435 kcal/mol 3 H 1.435 10 S 5.26cal / molK T 273 x fus fus fus

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