Chapter 13

Self Test 13.2:Using the E(t) curves

The following is an E curve calculated for reactor Y


 

(a)What is the maximum value of E shown on this curve?    View Sol'n

(b)What fraction of the molecules spend between 2 and 2.5 minutes in the reactor?     View Sol'n

(c)What fraction spend between 3.5 and 4     View Sol'n

(d)Which curve below corresponds to F(t)?     View Sol'n

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Solution:

(a)

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(b)

Area = (.5) (2.5–2) = 0.25

25% of the molecules spend between 2 and 2.5 minutes in the reactor.

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(c)

Area = (.5) (4–3.5) = 0.25

25% of the molecules spend between 3.5 and 4 minutes in the reactor.

 

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(d)

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