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Question

The rate of certain hypothetical reaction A plus B plus C rightwards arrow Products, is given by r equals negative fraction numerator d A over denominator d t end fraction equals k open square brackets A close square brackets to the power of 1 divided by 2 end exponent open square brackets B close square brackets to the power of 1 divided by 3 end exponent open square brackets C close square brackets to the power of 1 divided by 4 end exponent The order of a reaction is given by

  1. 1    
  2. 1/2    
  3. 2    
  4. 13/12    

The correct answer is: 13/12


    O R blank equals fraction numerator 1 over denominator 2 end fraction plus fraction numerator 1 over denominator 3 end fraction plus fraction numerator 1 over denominator 4 end fraction equals fraction numerator 13 over denominator 12 end fraction

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