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Question

5 mole of an ideal gas expand isothermally and irreversibly from a pressure of 10atm to 1atm against a constant external pressure of 1 atm. w subscript text irr end text end subscript at 300 K is :

  1. -15.921 kJ    
  2. -11.224kJ    
  3. -110.83 kJ    
  4. None of these    

The correct answer is: -11.224kJ

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