Assuming the water vapour to be a perfect gas, What is the internal energy change when 1 mol of water at 100°C and 1 bar pressure is converted to ice at 0°C? (Given: the enthalpy of fusion of ice is 6.00 kJ mol -1 and heat capacity of water is 4.2 J/g°C)

Question

Assuming the water vapour to be a perfect gas, What is the internal energy change when 1 mol of water at 100°C and 1 bar pressure is converted to ice at 0°C? (Given: the enthalpy of fusion of ice is 6.00 kJ mol -1 and heat capacity of water is 4.2 J/g°C), -15.48 kJ mol -1, -13.56 kJ mol -1, -11.23 kJ mol -1, -17.56 kJ mol -1

MARKS App · Accepted Answer

Correct Option is : (B) -13.56 kJ mol -1

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