Chemistry 217
Principles of Chemistry Laboratory I
Thursday 1-3:50
Dr. Jennifer R. Shell
Office Number: Science 403
Telephone: 696-2307
Fall 2007
Email: shellj@marshall.edu
The purpose of this course is to:
(1) Introduce you to basic laboratory skills and provide you with experience in
interpreting experimental data.
(2) Provide laboratory experience that emphasizes and reinforces the principles
and concepts of chemistry in CHM 211.
YOU SHOULD READ THE EXPERIMENT BEFORE COMING TO CLASS!
Safety Precautions
1. Anyone who has not signed the statement acknowledging one's full understanding
of the required safety measures will not be permitted to work in the laboratory. Sign
only one copy and turn it in. The second is for you to keep. The sheets will be
handed out in class.
2. YOU NEED TO TAKE THE SAFETY QUIZ ON WEB CT. IF YOU FAIL TO PASS IT
BEFORE THE NEXT LAB, YOU WILL NOT BE ABLE TO DO IT AND YOU WILL
RECEIVE A ZERO. GO TO: http://vista.marshall.edu/webct/logonDisplay.dowebct
3. Use care in following the directions of your instructor and laboratory text. Do not
alter the experimental procedures without being instructed to do so by either myself
or the teaching assistants.
4. Protective eye goggles must be worn in the laboratory at all times. Failure to
do so will constitute sufficient grounds for dismissal from the laboratory. You are
responsible for obtaining a pair of safety goggles.
5. Clothing: Slacks or dresses cut below the knee must be worn. Shoes covering the
bridge of the foot and toes must be worn. You will not be allowed to work while
violating either of these rules. It is best to avoid very loose clothing. Because some
of the chemicals you will work with are corrosive, we recommend that you remove
any rings while in the lab.
6. Know the locations of all safety equipment in the laboratory. You will be tested on
this.
7. All injuries, no matter how trivial, must be reported to the instructor immediately.
Materials Needed
1. Laboratory manual, paper towels, and a lock for your lab drawer.
2. A bound laboratory notebook. All experimental data must be recorded directly in
this notebook during you laboratory period.
3. Safety goggles: Contact lenses should not be worn in the chemistry laboratory. If
they are absolutely necessary, you must notify your instructor and the teaching
assistants in writing. Furthermore, you must remind them weekly that you are
wearing contact lens.
4. An apron is optional, but desirable.
5. You will need access to the general chemistry course textbook (Chemistry: The
Central Science by Brown, LeMay, and Bursten). The introductions to the
experiments are generally brief. You are expected to have read the pertinent
material from the textbook in preparation for the day’s quiz and experiment.
Conduct of the Course
1. Attendance is required in this course. Quizzes will be given at the start of class.
Coming to class late means you will have less time to work on your quiz.
Furthermore, all assignments are due at the beginning of lab.
2. The first half hour to one hour of each period will be spent in a discussion by the
instructor on the experiment to be done in that period and the chemical principles
related to it.
3. The bound notebook is for the immediate recording of all experiment operations and
observations made during the laboratory period. Laboratory notebooks will
occasionally be turned in for grading of experimental results.
4. Lab reports are due the period following completion of the experiment.
Course Grade
Quizzes (6)*
Midterm exam
Final exam
Post-lab write-ups and experimental results*
Laboratory notebook
*lowest score dropped
A 90-100
B 80-89.9
C 70-79.9
D 60-69.9
25%
20%
30%
20%
5%
F below 60
Assignments turned in late will have a 2 point (10%) per class day deduction on the
assignment. Late assignments will not be accepted more than one week after due
date.
During quizzes talking and sharing of calculators is forbidden.
Calculators with alphanumeric and/or graphing capabilities are not permitted for quizzes
or the exams.
There are no make-up quizzes. A missed quiz can be used as your dropped grade.
Absences: If you are sick and can’t come to lab, you will be excused if you have a
University approved excuse. To obtain a University approved excuse, you need to see
Steve Hensley in Academic Affairs. If you do not have a University approved excuse,
you will receive a grade of zero for the missed experiment. You will only be able to
make up a lab the same week the experiment is performed. The chemicals will no
longer be available after that week.
Office hours:
Friday 12:50- 2 pm
and by appointment. However, you can stop by anytime I’m not in
class or teaching a lab. I will post my schedule on my office door.
Schedule of Experiments
Date
Exp. No.
Experiment
8/23
1 Part I
Lab check in. Density of water.
8/30
1 Parts II & III
Density of sugar water & sodas
9/6
2
Separating Components of a
Mixture
9/13
3
Percent oxygen in Air
9/20
4
Determination of Avogadro’s
Number
9/27
5
Empirical Formula
10/4
6
Synthesis of an Alum
10/11
Synthesis of Alum Cont’d
Midterm Exam
10/18
7
Analysis of Commercial Antacids
10/25
8
Determination of Water Hardness
11/1
9
Combustion - Reactions of
Oxygen
11/8
12
Synthesis of an Ester
11/15
13
Energy of a Peanut
11/29
Lab Check Out
Final Exam