ChE 20500 Hour Exam 2: Fall 2013, October 24, 2013 (8:00p 9:30p)
Instructions: Please complete the following problems on separate, numbered pages. Start each problem on a new page
and write only on one side of a piece of paper. Only one side of a piece of
ChE 20500 Homework #5: Due Wednesday, February 18, 2015 by 10:35a in EE 270
Instructions: Please complete the following problems on separate, numbered pages. Start each problem on a new page
and write only on one side of a piece of paper. Only one side of
ChE 20500 Homework #13: Due Wednesday, April 29, 2015 by 10:35a in EE 270
Instructions: Please complete the following problem on separate, numbered pages. Only one side of a piece of paper will
be graded. Circle your answer. Do not forget to show all work
ChE 20500 Homework #12: Due Wednesday, April 22, 2015 by 10:35a in EE 270
Instructions: Please complete the following problems on separate, numbered pages. Start each problem on a new page
and write only on one side of a piece of paper. Only one side of a
ChE 20500 Homework #10: Due Wednesday, April 8, 2015 by 10:35a in EE 270
Instructions: Please complete the following problems on separate, numbered pages. Start each problem on a new page
and write only on one side of a piece of paper. Only one side of a
ChE 20500 Homework #8: Due Wednesday, March 25, 2015 by 10:35a in EE 270
Instructions: Please complete the following problems on separate, numbered pages. Start each problem on a new page
and write only on one side of a piece of paper. Only one side of a
ChE 20500 Hour Exam 1: Fall 2013, September 25, 2013 (8:00p 9:30p)
Instructions: Please complete the following problems on separate, numbered pages. Start each problem on a new page
and write only on one side of a piece of paper. Only one side of a piece
ChE 205 Exam 3 Solutions
Problem #1
Points (5 total):
+1 for copying figure
+1 each for correct data at
location 2 and 3
+2 for correct data at
location 1
Location 1
99% vapor
1% liquid
P = 0.7 bar
Location 3
100% liquid
P = 2 bar
Location 2
T = 200C
P =
ChE 20500 Hour Exam 3: Fall 2013, November 25, 2013 (8:00p 9:30p)
Instructions: Please complete the following problems on separate, numbered pages. Start each problem on a new page
and write only on one side of a piece of paper. Only one side of a piece o
ChE 20500 Hour Exam 1: Spring 2014, February 17, 2015 (8:00p 9:30p)
Problem 1. (45 points total)
Sugar is manufactured through the refinement of plants called sugar cane. In this process, sugar cane is fed into a milling
unit to be refined. The sugar cane
ChE 20500 Homework #6: Due Wednesday, February 25, 2015 by 10:35a in EE 270
Instructions: Please complete the following problems on separate, numbered pages. Start each problem on a new page
and write only on one side of a piece of paper. Only one side of
ChE 20500 Homework #3: Due Wednesday, February 4, 2015 by 10:35a in EE 270
Instructions: Please complete the following problems on separate, numbered pages. Start each problem on a new page
and write only on one side of a piece of paper. Only one side of
ChE 20500 Hour Exam 3: Fall 2015, December 1, 2015 (8:00p 9:30p)
Instructions: Please complete the following problems on separate, numbered pages. Start each problem on a new page
and write only on one side of a piece of paper. Only one side of a piece of
Question 1
Part a:
Part b:
Using RH
y0 805 mmHg = 0.421 P (37C ) +3
from table B.3
P (37C ) = 47.067mmHg +3
y0 = 0.421 P (37C )
0.421 47.067mmHg
= 0.025
805mmHg
+2
Part c:
7C = 280.15K
using ideal gas EOS
P V = n1 R T +2
n1total
P V
=
= 22.9mol / h +1
R T
ChE 20500 Hour Exam 2: Spring 2015, April 1, 2015 (8:00p 9:30p)
Problem 1. (35 points total)
A large refrigeration laboratory houses biological samples at colder temperatures in order to prevent degradation of the
samples. Researchers work inside of this
ChE 20500 Homework #2: Due Wednesday, January 28, 2015 by 10:35a in EE 270
Instructions: Please complete the following problems on separate, numbered pages. Start each problem on a new page
and write only on one side of a piece of paper. Only one side of
ChE 20500 Homework #9: Due Friday, April 3, 2015 by 10:35a in EE 270
Instructions: Please complete the following problems on separate, numbered pages. Start each problem on a new page
and write only on one side of a piece of paper. Only one side of a piec
ChE 20500 Homework #7: Due Wednesday, March 11, 2015 by 10:35a in EE 270
Instructions: Please complete the following problems on separate, numbered pages. Start each problem on a new page
and write only on one side of a piece of paper. Only one side of a
ChE 20500 Homework #4: Due Wednesday, February 11, 2015 by 10:35a in EE 270
Instructions: Please complete the following problems on separate, numbered pages. Start each problem on a new page
and write only on one side of a piece of paper. Only one side of
ChE 20500 Homework #11: Due Wednesday, April 15, 2015 by 10:35a in EE 270
Instructions: Please complete the following problems on separate, numbered pages. Start each problem on a new page
and write only on one side of a piece of paper. Only one side of a
ChE 20500 Homework #1: Due Wednesday, January 21, 2015 by 10:35a in EE 270
Instructions: Please complete the following problems on separate, numbered pages. Start each problem on a new page
and write only on one side of a piece of paper. Only one side of
ChE 20500 Exam 1 Fall 2015
Problem 1
B = benzene, C6H6
T = toluene, C7H8
X = xylene, C8H10
Points for part a (5 pts total):
1 pt each for correct mix point, DC #1, DC #2, split point (4 pts)
1 pt for correct symbology (y for vapor, x for liquid, for flow)
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