Question: 21. The gas phase reaction A 4B obeys zeroth-order kinetics with r = 0.25 mol dm- hr at 200C. Starting with pure A at

21. The gas phase reaction A 4B obeys zeroth-order kinetics with r

21. The gas phase reaction A 4B obeys zeroth-order kinetics with r = 0.25 mol dm- hr at 200C. Starting with pure A at 1 atm calculate the time for 95% of A to react in: a. A constant-volume batch reactor (ans. 0.0979 hr) b. A constant-pressure batch reactor (ans. 0.0463 hr) Calculate the reactor volume to process 10 mol hrof A to this conversion, as well as the corresponding residence and space times in: c. A constant-pressure PFTR (ans. V = 38 I, Tspace = 0.0979 hr, Tres = 0.0463 hr) CSTR (ans. V = 38 1, Tspace = 0.0979 hr, Tres = 0.0254 hr) d. A constant-pressure

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