ChE 150B HW 4
Due October 3, 2014
NOTE: Please hand in Part 1 and Part 2 separately.
Part 1
Problem 1: 7.2-2 from Geankoplis
Problem 2: 7.5-1 from Geankoplis
Problem 3: 7.5-3 from Geankoplis
Problem 4:
For a system with n components prove that the sum of

Chemical Engineering 150B
Problem Set 7
Due Friday October 19, 2016
This homework involves many calculations most easily computed using programs like Excel,
Matlab, or Mathematica. Please provide a clear description of all equations and steps taken to
sol

CFE FD Model Solutions
Spring 2014
1.
Learning Objectives:
5.
The candidate will understand how to identify and recommend appropriate risk
assessment and monitoring techniques for financial risk management.
Learning Outcomes:
(5b) Describe the types of mo

Mass Transfer Coefficient
Mass transfer coefficients - simplified method to describe
complex boundary condition involving flow and diffusion.
Mass transfer from a surface to a fluid
Mass Transfer Coefficient
Flux from surface into the fluid:
C i
1
N iy y

Chemical Engineering 150A
29, 2008
February
Midterm #1
(155) 1. In the system below, a free liquid jet flows downwards at a known volumetric flow rate
Qo against a suspended inverted solid cone of mass m, as shown in Figure 1. A
suspending force Fo is app

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Chemical Engineering 150B
Problem Set 2
Due Wednesday, September 7, 2016
Problem 1. (15 points) The liquid phase diffusivity of chloroform (CHCl3) in ethanol was
reported by Treybal to be 1.85 x 10-9 m2/s at 293 K.
(a)
Use this experimental value to evalu

Chemical and Biomolecular Engineering 150B
Problem Set 3
Due Wednesday, September 14, 2016
1. A fish hatchery wants to determine how many fish can survive in its artificial ponds. To instill
the water with O2 necessary to support life, pumps are installed

+3 for equation
+1 for equation
+1 for value
+2 for value
+3 for equation
+3 for value
+2 for error
+2 for equation
+1 for equation
+0.5 for value
+0.5 for value
+0.5 for equation
+1 for value
+2 for value
+3 for equations
(Kn and Lambda)
+2 for value
+2.

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Note: the relative
resistance can be
assumed to remain
the same (m=1), or
convective
resistance can be
assumed negligible
as in part (a) due to
confusing
wording.Obviously
kc will not remain
the same for
completely different
geometries.
4

Chemical and Biomolecular Engineering 150B
Problem Set 4
Due Wednesday, September 21, 2015
1. A pharmaceutical company is in the process of designing a gel capsule for a new
drug. It is desired that diffusion take place such that the center of the capsule

Chemical and Biomolecular Engineering 150B
Problem Set 6
Due Monday, October 10th, 2016
Problem 1. Air at 80F and 80% relative humidity is cooled to 51F at a constant pressure of 1 atm. Use
the psychrometric chart to calculate the fraction of the water th

Chemical and Biomolecular Engineering 150B
Problem Set 5
Due Wednesday September 28th, 2016
1. Consider the situation, shown in the diagram below, in which component A is to be transferred
to the liquid film.
y
Gas containing A; P = 1 bar; T = 298 K yA =

Chemical Engineering 150B
Transport and Separation Processes
Fall Semester 2014
Course Website: https:/bcourses.berkeley.edu/courses/1268987
Instructor:
Henrik Wallman (201A Hildebrand, wallman@berkeley.edu)
Office Hours: M 9-10 am, F 9-10 am & by appoint

Vacuum and Hermetic Packaging of
MEMS Using Solder
by
Warren Cornelius Welch III
A dissertation submitted in partial fulfillment
of the requirements for the degree of
Doctor of Philosophy
(Electrical Engineering)
in The University of Michigan
2008
Doctora