Chemistry-
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2molesof COaremixedwith 1moleofO2ina containerof1l.Theycompletelytoform2moles ofCO2.Ifthe pressurein the vesselchanges from70atmto40atm,whatwill bethevalue of DU in kJat500K(The gasesdeviateappreciably from idealbehaviour.) 2CO+O2→2CO2;DH=-560kJ/mol, 1Latm=0.1kJ For theprocessH2O(l)(1 bar,373K)→H2O(g) (1bar,373K),thecorrect setofthermodynamic parametersis-

  1. DG=0,DS=+ve    
  2. DG=0,DS=ve    
  3. DG=+ve,DS=0    
  4. DG=ve,DS=+ve    

The correct answer is: DG=0,DS=+ve

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