Chem 112 Lab – Fall
2017
Dr. Frank Cheng;
ifcheng@uidaho.edu; 885-6387, Web
Site, Chem 112 Web Site
Office: Renfrew
Hall 026A, Office Hours: M & W 2:30-4:30 or by appointment, you are welcome
to stop by any time, I may be available.
TA's and Ren 049 hours: TBA
Lab Manual: General
Chemistry Laboratory Manual, Edited by Dinara Storfer, MacMillan-McNeil, ISBN 978-0738093991-8
Required Materials:
Padlock: One key or combination padlock with
up to 3/8 inch diameter shank.
Goggles: It is Chemistry Department policy
that safety goggles MUST be worn at all times in the laboratory or handling chemicals.
Only departmentally approved safety goggles will be permitted in the
laboratory. You can these buy goggles from Chem
Stores (REN 23).
Safety Issues:
Open-toed shoes or sandals, shorts, or short skirts may not be worn in the
laboratory. Shoes must cover the entire foot. Pants/skirts should reach to the
ankles. Students who are not appropriately dressed for lab will be sent home to
change. You must wear goggles at all times.
Failure to do so will result in immediate expulsion from the lab and you
will receive a grade of F for that lab.
Preparing for Lab: Read the lab manual before the lab. Prepare for the lab by writing (in
your lab notebook): 1) the objective of the experiment, 2) safety
considerations, and 3) an outline of the experimental procedures, including
materials needed to perform the experiment.
Persons arriving more than 20
minutes late to lab will not be allowed to complete the lab on that day. Labs
are scheduled for three hours. There will be no allowances for extra time. It
is imperative that you come prepared so that you can complete the lab in a
timely manner.
Quizzes: A
quiz will be given on first day of every new experiment. The quiz will be based
on material from the lab manual, including the prelab questions/calculations,
and will take ~10 minutes. Students who arrive late for this quiz will be given
a grade of zero. No makeup quizzes will be given.
Aug 22: No Lab
Aug. 29: Check in and Lab
Policies.
Sept. 5: Lab 1. Wine Analysis
Sept 12: Lab 2. Wine Analysis
Sept. 19: Lab 3. An
Introduction to Green Chemistry: Making Biodiesel and Soap
Spet. 26: Lab 4. An Introduction to Green Chemistry:
Making Biodiesel and Soap
Oct. 3: Lab 5. Colligative
Properties
Oct 10: Lab 6. Determination
of the Enthalpy Change for the Decomposition of H2O2 and
the Enthalpy of Formation of H2O2.
Oct. 17: Lab 7. Enthalpy
Changes of Chemical Reactions
Oct. 24: Lab 8. Estimation of
Entropy for the dissolution of a Salt
Oct. 31: Lab 9. Introduction
to Equilibrium
Nov. 7: Lab 10. Le Chatelier Principle - Chemical Equilibrium Evolution
Nov. 14: Lab 11. Kinetics
Hand Sanitizer
Nov. 28: Lab 12. Kinetics
Reaction Rates
Dec. 5: Check Out
Lab Reports:
Each written lab is due after the completion of the experiment. No late labs
will be accepted. If more than two lab reports are not turned in, then a grade
of “F” will be assigned for the entire course. Lab reports are graded on
accuracy, precision, and answers to questions (if included), among other
things. Not all experiments will be graded in the same way. Your TA will
provide more specifics on grading and lab reports.
Makeup Labs:
Makeup labs are only allowed for excused absences. An excused absence is
defined by University of Idaho policy as a) an approved field trip or other
official UI activity; b) confinement under doctor's orders; c) call to military
duty; or d) leave of absence granted by student's academic dean. Students must
contact the Chemistry Laboratory Coordinator (Dr. Yuwei
Kan, REN 229, chem-labservices@uidaho.edu) in order
to schedule a makeup lab. In the case of University excused athletic events and
field trips, arrangements must be made a week prior to the absence. In the case
of sudden severe illnesses, notify the Chemistry Laboratory Coordinator as soon
as you realize that you are too ill to attend lab. Bring in a note from your
doctor stating that you were too ill to attend lab as soon as you are back in
classes. In all cases, make-up labs must be completed within two weeks of the
regularly scheduled lab session and prior to check-out day, whichever comes
first.
Grading Scheme.
Pre-lab quiz 5
points
Pre-lab assignment and lab 10 points
Post-lab assignment 5 points