Selectivity

6 important questions on Selectivity

What is the formula of Yield?

Yield = Conversion * Selectivity

What is the formula of absolute conversion

|Wa0-Wa|

What the difference between a integral selectivity and differential selectivity in a CSTR?

There is no difference, they are exaclty the same.
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What is the formula of the inegral selectivity?

Mass of P produced overall / Mass of A converted overall

What is the formula of differential selectivity?

Nett mass production rate of P/Mass conversion rate of A.

What can you tell about the yield for parallel reactions?

  1. n-m > PFR fives the highest selectivity
  2. n-m = 0 no difference in selectivity
  3. n-m < 0 CSTR gives highest selectivity

The question on the page originate from the summary of the following study material:

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