# 2005 - The Mork Family Department of Chemical Engineering...

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The Mork Family Department of Chemical Engineering and Material Science University of Southern California Course No.: 442 Lecturer: Prof. T.T. Tsotsis Mid Term Exam Open Book Fall 2005 Date: October 4, 2005 Student name: Student ID:

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Problem 1. (25 Pts) Consider the following liquid-phase reaction  A B taking place in a batch reactor and the following two-cases 1. First-order reaction,  A r k C = 2. Second-order reaction,  2 A r k C = % (a) Write down the material balances for both cases, solve them and         find  ( ) A C t (10 Pts) (b) Given  (0) A C  = 1.5 mol/l and k = 8 h −1 , how long does it take to        reach 95% conversion for the first-order reaction case.  (5 Pts) (c) Given  (0) A C  = 1.5 mol/l and  k % = 12 l/mol∙h, how long does it        take to reach 95% conversion for the second-order reaction case.           (5 Pts)
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## This note was uploaded on 02/27/2008 for the course CHE 442 taught by Professor Tsotsis during the Fall '99 term at USC.

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2005 - The Mork Family Department of Chemical Engineering...

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