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Unformatted text preview: Quantitative Chemistry LABORATORY MANUAL C HEMISTRY 3000 Prepared by John A. Marohn Department of Chemistry and Chemical Biology Cornell University FALL 2009 Chem-3000-Lab-Manual-Fall-2009.tex rev 2009/08/27 at 03:40 by [email protected] Quantitative Chemistry Syllabus Course Synopsis Chemistry 3000, Quantitative Chemistry, is the first course in the Integrated Laboratory Sequence required of chemistry majors at Cornell University. There are two main goals for the course. The first goal is to introduce you to techniques for quantifying the amount of a chemical in a potentially complex sample to within a few percent or better. The second is to introduce you to the idea of error analysis and how to design experiments that give you the most accurate information in the least amount of time. The course consists mainly of one four-hour laboratory per week. See Table 1 on page ii for a schedule of experiments and required pre-laboratory reading assignments. You will carry out six experiments this semester, lasting from 1/2 a period to 3 periods each. A pre-laboratory exercise (e.g., homework) will generally be assigned, due at the beginning of each laboratory period. You will turn in copies of your laboratory notebook pages each day and, after completing each experiment, will submit an analysis and discussion of the experiment’s data. You will be graded on the quality of your lab notebook entries, the depth of your thinking and analysis, and the accuracy and precision of your results. There will be no preliminary exam. In lieu of a final exam, there will be a comprehensive final project. In support of the laboratory there is a one-hour lecture per week. A lecture schedule, and suggested pre-lecture textbook readings, can be found in Table 2 on page iii . The purpose of the lectures is to explain how the experiments work (with demonstra- tions), to derive underlying concepts such as error analysis and curve fitting, and to carry out example calculations. Scheduling and Makeups Ms. Pat Hine (x5-5287, [email protected] ) in Baker 131 handles all questions concerning entrance to and exit from the course and the laboratory. Baker 131, the Chemistry Department Instruc- tional Office, is open Monday to Friday from 8:00 AM to 4:30 PM. Fall break is October 12 and 13. Because of limited space, a laboratory session just after fall break cannot be excused or rescheduled to accommodate extra vacation; fall break travel arrangements should be made accordingly. You may only use the laboratory during your assigned section — space and equipment are in limited supply. Permission to make up a lab will in general be granted only if 1) Professor Marohn has been contacted prior to the scheduled lab and if 2) the student has a valid, documentable medical excuse for missing the labora- tory and if 3) there is available space in another section. Neither Ms. Pat Hine nor your teaching assistant may schedule a makeup lab without prior written permission from Professor Marohn. Youlab without prior written permission from Professor Marohn....
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This note was uploaded on 02/11/2010 for the course CHEM 3000 at Cornell University (Engineering School).