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Two moles of O subscript 2 end subscript left parenthesis gamma equals 7 divided by 5 right parenthesis at temperature T0 and 3 moles of C O subscript 2 end subscript left parenthesis gamma equals 4 divided by 3 right parenthesis at temperature 2T0 are allowed to mix together in a closed adiabatic vessel. The resulting mixture finally comes in thermal equilibrium. Then,

  1. final temperature of the mixture is fraction numerator 23 T subscript 0 end subscript over denominator 14 end fraction    
  2. final temperature of the mixture is fraction numerator 31 T subscript 0 end subscript over denominator 19 end fraction    
  3. adiabatic exponent of the mixture formed is fraction numerator 14 over denominator 5 end fraction    
  4. adiabatic exponent of the mixture formed is fraction numerator 19 over denominator 14 end fraction    

The correct answer is: final temperature of the mixture is fraction numerator 23 T subscript 0 end subscript over denominator 14 end fraction

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