CBSE  /  Class 11  /  Chemistry  /  Thermodynamics

  • 1. 
    Standard enthalpy of vapourisation ΔHvap for water at 100oC is 40.66 kJmol-1. The internal energy of vapourisation of water at 100°C (in kJmol-1) is (Assume water vapour to behave like an ideal gas)

  • 43.76
  • 40.66
  • 37.56
  • -43.76

  • 2. 
    The internal energy of vapourisation of water at 100°C (in kJmol

  • 43. 76
  • 40. 66
  • 37. 56
  • -43. 76
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