(1) A fluoride selective electrode has a response of E = k - 0.0592Vlog[F-]. From the
following data, what is the [F-] concentration in the sample water and what is the uncertainty (I am leaving how to do the uncer tainty up to you, explain how you handle
Chem 3034 Exam 3 In-Class portion
Name_
(1)(30 points) Why are high pressures needed in HPLC? What are the advantages of
working at high pressure?
(2)(30 points) Sketch a box diagram of an GC with a TCD detector and a syringe injector.
Expand each par t o
Chem 303 Exam 3. April 2, 2007
Name @1
When answering the following questions. Remember: a picture is often worth a thou-
sand words and I will not read a thousand word answer for these questions.
(1)(10 pts) Explain how a hollow cathode lamp or an
Chem 3034 In-Class Exam 2
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0.0592V
0.0592V
log Q E o =
log K
n
n
Useful information:
,
, G=-RTlnK,
R=8.314J/molK, q=nF, F = 9.65 x104C/mol, Ecell = Ered+Eox
Show all work for credit.
E = E -
(1)(20 pts)(a) Write the cell shor thand for the following
