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NEETChemistryThermodynamics (C)

Calculate the enthalpy change on freezing of 1.0 mol of water at 10.0°C to ice at –10.0°C. (∆ fus H = 6.03 kJ mol –1 at 0°C , C p [H 2 O(l)] = 75.3 J mol –1 K –1 , C p [H 2 O(s)] = 36.8 J mol –1 K –1 )

Options

  1. A–8.543 kJ mol -1
  2. B–7.151 kJ mol –1
  3. C–6.582 kJ mol -1
  4. D–5.236 kJ mol -1

Correct answer

B. –7.151 kJ mol –1

Step-by-step solution

Correct Option is : (B) –7.151 kJ mol –1

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