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Name____________________________________
ELS Username _____________________
CHM4411 EXAM #1
Distributed 09/22/09
Instructions:
Read the entire exam and put your name on all pages.
Answer the
following 6 problems (on 5 pages), for a total of 150 points, in the context of the notation and
conventions of our lectures. You may consult <10 kg your
own
notes or texts; sharing is not
allowed.
You may use any calculation device that is not in any way networked, but sharing is
not allowed. Please work alone.
Please report numerical results to at least three significant
figures unless otherwise instructed.
Read each question carefully!
R=8.31447 J/(K mol) = 0.0820574 (L atm) / (K mol)
Your name on this exam states the assertion:
I hereby pledge that I have neither given nor received unauthorized aid during this exam
Problem #1
True of False
___
F
___
For any gas
∂
T
∂
p
H
∂
H
∂
p
T
0
.
___
T
___
All transformations that have
∆
S
universe
> 0 are spontaneous.
___
T
___
The efficiency of all possible reversible heat engines is the same.
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 Fall '08
 OHRN
 Physical chemistry, pH

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