ChE 230 Spring 2010 Problem Set 9 04/13/10 - 04/20/10
1. The mass balance for a chemical in a completely mixed reactor can be written as
dC = F QC kVC2 dt where V = reactor volume (10 m3), C = concent
ChE 230 Spring 2010 Problem Set 8 04/06/10 - 04/13/10
1. The heat capacity at constant pressure of a gas is determined experimentally at several temperatures with the following results:
T (oC) CP (J/m
ChE 230 Spring 2010 Problem Set 7 03/16/10 03/23/10
1. The vapor pressure (P*)of ethylene glycol at several temperatures is given below: T (oC) P* (mm Hg) 79.7 5.0 105.8 20.0 120.0 40.0 141.8 100.0 17
ChE 230 Spring 2010 Problem Set 6 03/09/09 03/16/09
1. Refer back to Problem 3 on the last Problem Set. Use the same confidence levels. a. Based on the 48 data points, was the variance of the reaction
ChE 230 Spring 2010 Problem Set 5 03/02/10 03/09/10
1. Years of operating data suggest that the time to run a batch reaction to completion is distributed normally with = 1.86 hr and = 1.25 min. a. Wha
ChE 230 Spring 2010 Problem Set 4 02/04/10-02/11/10
1. (Linear equations) A separation system takes the feed (F) consistin of three species (A,B, and C) as shown in the diagram below and creates the t
ChE 230 Spring 2010 Problem Set 3 01/28/10-02/04/10
1. Three matrices are defined as 1 6 A = 3 10 7 4
6 0 B= 1 4
1 1 C= 6 8
a) Perform all possible matrix multiplications that can be computed betwee
ChE 230 Spring 2009 Problem Set 2 01/19/10-01/26/09
1. The SRK equation of state is similar to the van der Waals equation and is given by RT a P= V b V( V + b) For N2O Tc = 309.6 K R= 0.08206 L atm/K
ChE 230 Spring 2010 Problem Set 1 1/12/10-1/19/10
1. The velocity (V) of a falling parachutist as a function of time (t) can be calculated using the equation gm V( t ) = ( 1 e ( c / m )t ) c where c i