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rChemical Engineering 150B
Midterm Exam 1
October 5, 2007
8:10 -
Chemical Engineering 150A
Due: February 10, 2015, 11:59 pm
Problem Set #3
The problems from the text book are same for 5th and 6th edition.
1. 4.5
2. 4.14
c) Given bo as the initial gap thickness, find an expression for how long it takes for the
gap to cl
Chemical Engineering 150A
Due February 17, 2017
Problem Set #4
The problems from the textbook are the same for 5th and 6th edition.
Note there are 5 problems on this problem set (dont forget the last one!)
Problem 1. Force Required to Turn A Jet of Water
Chemical Engineering 150A
Due 5:00pm February 3, 2017
Problem Set #2
Note: Kinematic viscosity, , is the dynamic viscosity, , divided by the density, .
Kinematic viscosity has units of cm2/s and is also known as momentum
diffusivity.
=
1. 7.14
2. 7.16
3.
Chemical Engineering 150A
Due 5:00pm January 27, 2017
Problem Set #1
1. 1.7
2. 1.8
3. 1.11 Note: this problem uses the Cartesian coordinate system
4. 2.13 Note: consider this system at room temperature
5. 2.15
6. 2.23
For problem 2.23, use the diagram bel
Chemical Engineering 142: Chemical Kinetics and Reaction Engineering
Fall 2016
Assignment 7: Due Tuesday, October 18
Problem 1: Adiabatic Reactor with Temperature Rise
The elementary gas-phase reaction A + B C occurs at steady state in an adiabatic vessel
HW 10 Comments & Edits
Problem 2
Correction: assume S and NOS are the MASI
Comments: Refer to your notes from Tuesday to help you in Parts B and C
Problem 3
Should be short!
Problem 4
Correction: The expression should be r.
General Hint to get starte
Chemical and Biomolecular Engineering CHE 142
Homework #11
Due Tuesday November 22 at 11am
Problem 1
Part I
A first-order, heterogeneous, irreversible reaction (AB) is taking place within a
porous spherica
Chemical and Biomolecular Engineering CHE142
Homework #8
Due Tuesday October 25 at 11am
1. Wall-Cooled CSTR at Steady State
The first order, irreversible, exothermic liquid-phase reaction A B is to be carried out
in a jacketed CSTR
Chemical and Biomolecular Engineering 142 Chemical Kinetics and Reaction
Engineering
Homework #5
Due Tuesday Oct 4th at 11am
1. The elementary, gas-phase, reversible reaction
A B + 2C
occurs in an isothermal, isobaric, steady-state membrane PFR with a for
Chemical Engineering 142: Chemical Kinetics and Reaction Engineering
Fall 2016
Assignment 6: Due Tuesday, October 11th
Problem 1: Heat of Reaction
For the elementary reaction: A B
The equilibrium conversion is 0.8 at 127 Celsius and 0.5 at 227 Celsius. Wh
Chemical and Biomolecular Engineering 142 Chemical Kinetics and Reaction
Engineering
Homework #9
Due Tuesday Nov 8th at 11am
1. Derive the Langmuir isotherm for competitive adsorption of species A, B, and C. In other
words, find the fractional surface cov
CO2 Separation from Stack Gas
Gas Absorption into Water with a Mass Separating Agent: monoethanol amine (MEA)
OH(CH2)2NH2 + CO2 + H2O OH(CH2)2NH3+ + HCO3MEA
aqueous
MEA
CV1
Figure 1: The chemical absorption method
CO2 Separation from Stack Gas
Gas Absorpt
Moss Landing Power Plant: Nat Gas Fired 2.56 GW (1 M homes)
NG: CH4
Oil: CH2
Coal:CH
air
combustion
Efficiency = 35 %
Why is natural gas is preferred ?
NG: CH4 +2O2
CO2+2 H2O+890
(kJ/mol)
Coal: CH +3/2 O2 CO2+1/2 H2O+ 518
(kJ/mol)
Fuels more rich in H2 ar
Quid-
away. E.
@m: we F
512% C
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FCF,T):F%(f,T) ' F CRT) '"H'V H'T+V39WPWWC":$W.I
1A: KmL/(J; H" ~I'SL/ F": ILL-1g" I I I n I T.V .3pr [lb0n*.turv' .)
,Lf, 1.qu ; rL
Bernoullis equation problems: determine what you know, determine what you want to solve, isolate variables,
solve (MAKE SURE SIGNS ARE CORRECT)
Buckingham Pi: Figure out the variables that are dependent or independent, figure out what units are involved,
CBE 141 Discussion Plan: Monday 1/30/2017 - Friday 2/3/2017
Andrew, Julie, Pete
Contents:
Quiz
Review steam tables
1st Law of Thermodynamics
Closed System
Open System
Work and Heat as path functions
Sign convention
Heat Capacity
Example Problems
Discussion 10 Plan
Week of April 17, 2017, Julie Notes (modified from 2016)
Outline
Non-ideal solutions and excess properties
Activity Coefficient and Excess Gibbs Energy
Activity Coefficient and Phase Equilibrium
Margules and van Laar Equation
Henry
Discussion Section 1 CBE141 Week of Monday 1-23-2017 - Friday 1-27-2017
Julie, Pete, Andrew
Contents:
Introductions/Motivation/Keys to Success
Unit conversion question
Quantifying energy transfer
State functions and path functions
Phase diagrams
Non
CBE 141
Discussion 7 Notes (week of March 12) Julie Rorrer, adapted from Michelle Lius Notes
Overview:
A. Fundamental property relations, equilibrium, and why fugacity
B. How to calculate fugacity, given both equations and tables of data
C. An example pro
Discussion plan 11 4-23-2017 (Last one!)
Chemical reaction equilibria
As Professor Prausnitz said, in chemical plants, reactors are the hearts, and
separation processes are the digestive system. So far, in phase equilibria, we have
focused on their use in
Discussion 9
Purpose
Critical to relate how much species like to be in one phase or another (give favorite example:
batteries, biofuels, acidification of seas from CO2, smoke and lung cancer etc.)
Fugacity in multicomponent mixture
Fugacity of pure compon
CBE 141 Discussion Plan: Monday 2/6/2017 - Friday 2/10/2017
Andrew, Julie, Pete
Contents:
Quiz (?)
1st Law Solving methodology
Second Law Problems
Entropy closed system
Entropy open system
Lost work
General schematic for solving 1st Law problems
Fir
CBE 141
Discussion Plan
Week of 4/3/2017
Pete
Outline
Solution Thermodynamics Overview
o Review Fundamental Property Relation for open systems
o Chemical potential for multi-phase, multi-component systems
o Partial molar properties
Definition
Summabili
CBE 141 Discussion Notes
Week of 2/27-3/3
Adapted from 2016 CBE 141, prepared by Pete Dudenas
Outline
Throttling
Turbines and Compressors
Pumps
Rankine Cycle
Steam Power Plant
Application of Thermodynamics to Flow Processes
Flow results in pressure gradie
Adapted from 2016 CBE 141, prepared by Andrew Crothers
Contents:
1) Review of Cycles
2) Efficiency of cycles
3) Examples
Brief review of cycles thus far
Cycles
-start of classical thermodynamics
-recommend putting cycles on cheat sheet
Carnot
- named for
CBE 40 Homework 6
Due Oct 18, 2016
Please review the course homework protocol
Reading (for 10/18 lecture): D&R Sections 3.14-3.15 pages 95-106
For problems 1 and 2, please use the excel file provided on bCourses.
1. Excel problem: vinyl