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Thdifferencbetweeheatoreactioaconstanpressuranconstanvolumfothe reaction 2C6H6(I)+15O2(g)12CO2(g)+6H2O(I)at25°CinKJis-

  1. +7.43    
  2. +3.72    
  3. 7.43    
  4. 3.72    

The correct answer is: –7.43

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