EXAM 1 CHEMISTRY 224 FEBRUARY 5, 2008 1. Read the following instructions carefully 2. Write your name and Purdue ID number on the answer sheet 3. Write your Graduate Instructor's name on the line for "Instructor" on the answer sheet 4. Use a #2 penci
EXAM 4
CHEMISTRY 224
May 3, 2010
1. Read the following instructions carefully
2. Write your name and Purdue ID number on the answer sheet
3. Write your Graduate Instructors name on the line for Instructor on the answer sheet
4. Use a #2 pencil to code all
EXAM 4
CHEMISTRY 224
May 3, 2010
1. Read the following instructions carefully
2. Write your name and Purdue ID number on the answer sheet
3. Write your Graduate Instructors name on the line for Instructor on the answer sheet
4. Use a #2 pencil to code all
CHM 224 Quiz 6
Name:
TA:
Section:
Alice prepares 100 mL of the buffer as discussed in class (0.4 M of formic
acid, 1 M of sodium formate, pH 4.14). Subsequently, Bob dilutes this
solution by adding 100 mL of water to the beaker. Predict the pH of the
resu
CHM 224 Quiz 7
Name:
TA:
Section:
The effect of resonance absorption of energy has many analogies in
everyday life. Consider for instance a kids swing. If you push it too
frequently or too infrequently you wont achieve good results. Please,
sketch out (re
CHM 224 Quiz 8
Name:
TA:
Section:
Alice works as a researcher for an upstart biotechnology company. Her goal
is to improve the efficiency of the enzyme luciferase. In doing so, Alice tries
to:
1. Make KM of luciferase with substrate of interest smaller
2.
CHM 224 Quiz 9
Alice implemented the experiment where she could simultaneously monitor:
(a) the concentration of the substrate [S]
and
(b) the product build-up rate d[P]/dt
during the course of enzymatic reaction.
Devise a simple graphical method to estim
CHM 224 Quiz 10
Name:
TA:
Section:
Consider the cell as discussed today in class,
(Cd|AgCl(s),Cl(200 mM),Cd2+(5mM)|Ag)
which is run as electrolytic cell (i.e. in a recharge mode).
Suppose, you double the concentration of Cd2+ in the cell. What would
happe
CHM 224 Quiz 11
Name:
TA:
Section:
Consider the electrolytic cell discussed in class, SHE|Cu2+(0.1M),Pb2+(0.1M)|Pt.
For different values of Eapplied, please fill out the table below. Write yes if metal is
deposited on the Pt electrode; write no if metal i
EXAM 2 CHEMISTRY 224 March 5, 2008 1. Read the following instructions carefully 2. Write your name and Purdue ID number on the answer sheet 3. Write your Graduate Instructor's name on the line for "Instructor" on the answer sheet 4. Use a #2 pencil t
CHEMISTRY 224 EXAM 3
April 3, 2008
1. There are twenty (20) multiple-choice questions. Code answers for the multiple-choice questions on the scan sheet. 2. Write your name and student ID number on the answer sheet. 3. Write your Graduate Instructor
EXAM 1 CHEMISTRY 224 FEBRUARY 8, 2007 1. Read the following instructions carefully 2. Write your name and Purdue ID number on the answer sheet 3. Write your Graduate Instructor's name on the line for "Instructor" on the answer sheet 4. Use a #2 penci
EXAM 2 CHEMISTRY 224 March 1, 2007 1. Read the following instructions carefully 2. Write your name and Purdue ID number on the answer sheet 3. Write your Graduate Instructor's name on the line for "Instructor" on the answer sheet 4. Use a #2 pencil t
CRIB Kinetics 1. Consider the following rate equation:
d[A] = k[A]2 [B]1/2 dt What is the order of the reaction with respect to A? -
a. b. c. d. e.
0 0.5 1 2 2.5
Answer: d. 2. What kinetics are being followed for the rate of apple gathering in the
CHM 224 Quiz 2
Name: TA: Section:
Three consecutive measurements produced the results: x1=7.7, x2=7.1, x3=? It is also known that the mean of these three measurements is
x =7.3
What was the outcome of the third measurement, x3? Answer: x3=7.1
You do not n
CHM 224 Quiz 3
Name: TA: Section:
You are measuring a certain parameter x, which has a true value and is distributed according to the Gaussian (normal) distribution. The outcome of your single measurement is x1. Q: please estimate the probability that x1
EXAM 1 CHEMISTRY 224 FEBRUARY 11, 2010 1. Read the following instructions carefully 2. Write your name and Purdue ID number on the answer sheet 3. Write your Graduate Instructor's name on the line for "Instructor" on the answer sheet 4. Use a #2 pencil to
EXAM 1 CHEMISTRY 224 FEBRUARY 11, 2010 1. Read the following instructions carefully 2. Write your name and Purdue ID number on the answer sheet 3. Write your Graduate Instructor's name on the line for "Instructor" on the answer sheet 4. Use a #2 pencil to
Here is the list of formulas that you want to know off the top of your head for the Exam I (Feb. 7). Please, note that this list does NOT cover all things that you need to know for the exam. Example: the list does not include such concept as titration end
CHM 224 Quiz 12
Name:
TA:
Section:
Consider the problem discussed in class (extraction of I2 from water). How many batches
of CCl4 are required to reduce the concentration of I2 in water by at least a factor of
10,000?
The volume of each batch of CCl4 is