Modeling a Hippos Digestive System as Reactors in Series
Digestion of hippo feed (A) in a hippos digestive system can occur by two mechanisms:
autocatalytic microbial fermentation, or enzyme catalyzed fermentation. Digestion can also
occur in two organs:
Homework Set #7
CBE 142 Fall 2017
Due date: Tuesday, October 17, 2017
Problem #1. Heat Load and Residence Time for a Non-ideal, Isothermal Reactor
The non-elementary, liquid-phase reaction A B is carried out in a non-ideal steady-state,
isothermal, reacto
CBE 142: Chemical Kinetics
& Reaction Engineering
Midterm #1
October 13th 2015
This exam is worth 120 points and 30% of your course grade. You have 80 minutes
to complete this exam, so please manage time wisely. Please read through the
questions carefully
Homework Set #4
CBE 142 Fall 2017
Due date: Tuesday, September 26, 2017
Problem 1: PSSH and QEA for NO2 Decomposition
Photochemical smog was first described in the 1950s. Nitrogen and oxygen react to form nitric
oxide in automobile engines, including NO 2
CBE 142 Chemical Kinetics and Reaction Engineering
Homework #5
Due Tuesday Oct 6th @ 8am
Problem 1: Unsteady Reactors: Start-up of a CSTR
Consider the start-up of an ideal isothermal CSTR reactor. The reactor initially contains
a solution of dye with volu
Numerical Methods in Chemical Engineering 142
Spring 2008
This handout will introduce you to the two numerical methods software packages that we will be using
in this class - Polymath and Mathcad. For the problems that we solve in class, you should be abl
Matlab Introduction
CBE 142 Fall 2015
This is a brief introduction to MATLAB for CBE 142. Matlab is a powerful numerics
package with diverse capabilities in math and engineering. It is very helpful in a reaction
engineering class because we are often task
Homework Set #2
CBE 142 Fall 2017
Due date: Tuesday, 12 September 2017
Problem 1: Comparing constant pressure and constant volume in batch and flow systems
Compare a constant pressure and a constant volume BSTR with the reaction:
A+B
8C where the rate is
Chemical Engineering 142: Chemical Kinetics and Reaction Engineering
Fall 2016
Assignment 2: Due Tuesday, September 13
Task 1: Read Fogler Chapters indicated in syllabus
Task 2: Verify that homework is stapled in order with your name, section, and SID.
Pr
Homework Set #1
CBE 142 Fall 2017
Due date: Thursday, 5 September 2017
Problem 1: Mole balance and Stoichiometry
The reaction A + 2B 3C takes place in an isothermal, unsteady CSTR. The feed consists of only A and
B in stoichiometric proportions. Which of
Akhil Shanishetti
Computer Problem Set #4
Question #1:
a.
5
Scatterplot of Course Evaluation vs. Beauty Ratings, by Gender.
3
4
Course Evaluation Scores
Male slope = 0.20
2
Female Slope = 0.09
-2
-1
0
Beauty Ratings
males- actual y
males- predicted y
1
2
HW#1#SOLN#
#
Example#problem#5#Matlab#code:#
#
%HW1 EA3 Spring 2015
%Spring-damper system; find the spring vs displacement plot
%
clear;
k1=4/3;
k2=0.5;
b1=0.25;
b2=1;
%
% loop over force from -6N to +6N in 1N increments
fs(1)=-6;
i=1;
while fs(i) <= 6
fd
Chemical Engineering 150A
Spring Semester 2016
Homework 7: Microscopic Balances
Due: Thursday, March 10 at beginning of lecture
1. Problem 8.1 in Process Fluid Mechanics by Denn.
2. A liquid of constant dens
CBE 141 Problem Set 6
Due: Fri, March 11
Please staple your solutions for Problem 1&2, 3&4, 5&6 separately and label your
discussion number (1 through 6), refer below:
(1) 105 Latimer, Mon 9:00 10:00 am Colin Burke
(2) 105 Latimer, Tues 8:00 9:00 am Miche
CBE 141 Problem Set 5
Due: Fri, March 4
Please staple your solutions for Problem 1&2, 3&4, 5&6 separately and label your
discussion number (1 through 6), refer below:
(1) 105 Latimer, Mon 9:00 10:00 am Colin Burke
(2) 105 Latimer, Tues 8:00 9:00 am Michel
2/24/2016
The International Economy in the
Twentieth Century
History 160
1
Agenda
Overview for MT1
1. Overview of Lecture Themes
2. The Soviet Experience
First Socialist Economy: Main Phases and Features
Stalinism: Defense Imperatives Require Economic
C
Chemical Engineering 150A
Spring 2016
Ungraded Homework 5: Macroscopic Balances
The material on this homework will be included in Midterm 1, but this homework will not be
collected or graded. The solutions will b
Chemical Engineering 150A
Spring Semester 2016
Homework 4: Macroscopic Balances
Due: online Thursday, February 18 by the beginning of lecture
1. A pump delivers water at a steady rate of 20 L/s. Just upstream o
CBE 141 Problem Set 3
Due: Fri, February 12
Problem 1
An inventor claims that he has designed a heat engine that operates in a cycle receiving heat at
the rate of 120 kW from a waste-heat source at 320C. The engine delivers work at the rate of 65
kW and r
CBE 141 Problem Set 2
Due: Friday, February 5
Problem 1
Smith, Van Ness, and Abbott Problem 2.36
One kilogram of air is heated reversibly at constant pressure from an initial state of 300 K and 1
bar until its volume triples. Calculate work (W), heat (Q),
Chemical Engineering 150A
Spring Semester, 2016
Homework 1: Hydrostatics and Dimensional Homogeneity
DUE: at start of lecture on Thursday, January 28
Problem 1
If v is velocity, x is a spatial coordinate, t is time, A is an area, and is density, what are