final99 - ChE344 ChemicalReactionEngineering Winter1999...

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ChE 344 Chemical Reaction Engineering Winter 1999 Final Exam Open Book, Notes, CD ROM, Disk, and Web Name_______________________________ Honor Code________________________________________________________________ __________________________________________________________________________ _ __________________________________________________________________________ _ __________________________________________________________________________ _ 1) ____/ 25 pts 2) ____/ 15 pts 3) ____/ 10 pts 4) ____/ 3 pts 5) ____/ 6 pts 6) ____/ 8 pts 7)  ____/ 8 pts 8) ____/ 5 pts 9) ____/ 20 pts
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Total ____/ 100 pts
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(25 pts) 1) The gas phase irreversible reaction A + B   C is elementary. The entering  flow rate of A is 10 mol/min  and  is equal molar in A  and  B. The entering  concentration  of A is 0.4 mol/dm 3 . a) What is the CSTR reactor volume  necessary to achieve 90% conversion? b) What PFR volume  is necessary to achieve 90% conversion? Additional Information k = 2 dm 3 /mol•min T 0  = 500 K Note: You do not  need  to use POLYMATH, but if you do write your program   below in case you do not obtain the correct answer. 1 W’99FinalExam
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(15 pts) 2) The irreversible zero order gas phase dimerization 2A   A 2 is carried  out in a packed  bed reactor with  5 kg of catalyst. The entering  pressure   is 10 atm and  the exit pressure is 1 atm. Pure A enters at a flow rate of 10  mol/min.  The reaction is zero order in A. P
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final99 - ChE344 ChemicalReactionEngineering Winter1999...

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