Multicomponent distillation (A+B+C)
Similar to binary distillation (mass
balances, heat balances, operating
One difference more towers are
needed (n-1 for complete separation)
What to separate first?
What is economical vs. fastest?
The refractive index, n, of a polymer was determined as a function of temperature. The
results are given below. Determine the glass transition temperature of the polymer.
Fraction SO2 in
SO2 in air water (X) SO2 in air
0.0000562 0.00079 5.6E-005 0.000791
0.0001403 0.00233 0.00014 0.002335
0.00028 0.00619 0.00028 0.006229
2.625 - Electrochemical Systems
Lecture 17 - Controlled Current Methods and Potential Step Methods
Motivation of Transport
Figure 2: Fuel Cell. Reaction rate is
I have a preposition for
What is a preposition?
A preposition connects a noun to the rest of the
The brown horse is in
front of the blonde woman.
The blonde woman is on
the side of the brown horse.
The soccer ball is under
the little boy.
I - Sentences with one clause (Clause = group of words containing a Subject and a Verb)
Be sure that each sentence has a subject and a verb;
Be careful of objects of prepositions and appositives when you are looking for the subject;
November 16, 1998
Volume 76, Number 46
CENEAR 76 46 1-56
Heroes Of Polymer Chemistry
Reviewed by George B. Kauffman
"Inventing Polymer Science: Staudinger, Carothers, and the Emergence of
Macromolecular Chemistry," by Yasu Furukawa, U
How Your Appearance Impacts Your Success
by Gian Fiero
Look the part. That's what people from my grandmother's generation used to
say. It meant looking like the professionals who belonged to the group that you
wanted to be a part of. It also meant carryin
Pronouns replace nouns in a sentence.
Sometimes a pronoun refers directly to
another noun already mentioned.
Example: The box is big and it will be heavy.
Other times the noun is unknown and you
have to guess.
POLYMERS AND PEOPLE
3. Sorting out Nature
4. Launching the Polymer Industry
5. Science Explains Polymers
6. The Glory Years
7. Polymers from Petroleum
8. Working with Nature
9. Designer Polymers
Introduction to Polymer Science and Engineering
HW#1 Due January 13th at class time
ECH 4823 . Undergraduate students:
Read about the three Heroes of Polymer Science and write about their major
accomplishments in 3 pages maximum (1.5 spacing).