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TOWSON CHEM 332 - Syllabus

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SCHEDULE OF LABORATORY EXPERIMENTS – all sectionsORGANIC CHEMISTRY IICHEM 332SECTIONS 003 and 004SPRING 2006Instructors: Ms. Liina Ladon (lab): (410) 704-3054; [email protected]; Smith Hall 538 Dr. Clare Muhoro (lecture):(410) 704-4827;[email protected]; Smith Hall 524G Lab meetings: Section 003: M 12:30 p.m. - 1:30 p.m., SM 570; 1:30 p.m. - 4:20 p.m., SM 591Section 004: T 12:30 p.m. - 1:30 p.m., SM 570; 1:30 p.m. - 4:20 p.m., SM 591Office hours: Ms. Ladon: By appointment Dr. Muhoro: T: 2:00 p.m. – 3:30 p.m.; Th: 2:00 p.m. – 3:30 p.m.Required Materials: - Laboratory Techniques ManualZubrick, J. W., Organic Chem Lab Survival Manual, 6th Edition (2004), WileyPublishers. (available in the university bookstore)- Laboratory Experiments ManualLadon, L.; Muhoro, C., Organic Chemistry Laboratory Packet (available in COPYPLUS Center in Cook Library). Required on the first day of lab- Laboratory Notebook Sold by the students affiliates of the American Chemical Society in SM 568 - Safety Goggles If you do not already have some, you may purchase goggles sold by the studentsaffiliates of the American Chemical Society in SM 568. Course Description:The laboratory section of this course is a continuation of Chemistry 331. We willuse microscale techniques to effect a variety of organic transformations in thesyntheses of molecules bearing important functional groups. Many of the reactions youconduct in lab will be discussed in detail in the lecture component of the course.Techniques that you learned in Chemistry 331 will be drawn upon. These methodsinclude purification methods (distillation, extraction, recrystallization), reaction set-ups,analytical techniques (melting points, boiling points), spectroscopy (infraredspectroscopy, mass spectroscopy, nuclear magnetic resonance spectroscopy) and gaschromatography. Your grade will be determined by consideration of your products’ purities and yields(evidence of good bench skills) and your explanations and answers to assignedquestions (evidence of understanding the theory). Material covered in the lab section may be tied into lecture discussions. Inthese instances, you may be tested in lecture on what you have learnt in lab.Lab preparation:As you should know by now, success in Organic Chemistry laboratory requirespreparation prior to arrival in lab. This organization will enable you to perform lab workefficiently, safely and correctly. In organic chemistry experiments, corrosive,flammable and highly reactive reagents are often used. You must therefore know allprecautionary measures required for handling reagents well before you embark onexperimental work. Required reading assignments for each lab are indicated on thelaboratory schedule below.Lab make-up policy: Labs cannot be missed with the exception of absencesdue religious observances or if attendance is required at a university-sponsoredevent. In the case of the latter, a letter from the appropriate university official (facultymember, coach) stating that your attendance is mandatory must be presented ahead oftime. Arrangements may then be made with the instructor to do the experiment atanother time provided the instructor is informed of your absence at the beginning of thesemester.Laboratory Assignments:A. Pre-lab questions: Questions for each lab will be selected from those in the laboratory packet. These questions will address both the theory and practical aspects of the lab, and should serve to prepare students for the upcoming experiment. Pre-lab questions are due before the pre-lab lecture.B. Lab notebook: Your lab report is to be written in your notebooks. Your reportmust have the following format:- Title- Chemical Reaction: Draw out the chemical structures of reactants and products. Under each organic reactant, provide molecular weight, density, bp(liquids) and mp (solids). Note any corrosive, toxic, nauseating properties here as well. This information can be obtained from your manual.- Procedure: an outline of the steps to be performed in the experiment.Write the procedure section on the left-hand side portion of your notebook page.Title, Purpose and Procedure sections will be checked before lab. Failure to complete these sections will result in loss of points.- Data and Observations: You will collect data and make observations during the experiment and record it in the appropriate data section.Write the data and observations section on the right-hand side portion of your page, adjacent to the relevant section in the procedure.NEVER, EVER RECORD DATA AND OBSERVATIONS ON SCRAP PIECESOF PAPER!The Data and Observations section is to be completed IN YOUR NOTEBOOK in lab. The instructor will initial your work prior to your leaving the lab. Failure to receive the instructor’s initials on your work will result in loss of points.- Data Table: Record all the data that you have collected in the experiment in atable. - Calculations: manipulations of the quantitative data are to be recorded in thecalculation section.- Signature and date of the experiment.C. Laboratory ReportThese reports must be type-written. The entire report should be written in the past tense and in the passive voice (no “I”, “my”, “we” etc.) The following format must be followed for laboratory reports:- Abstract: summarize the experiment in 2-3 sentences describing the reactionand the reagents used to access the product. Include the physical data (yield, %yield, m.p., b.p., characteristic spectral data) that you obtained.- Carbon copy of your lab notes: include the sheets with title, chemical reaction, procedure, data and observations, calculations and data table)- Post-lab questions: Questions will be assigned from those at the end of each experiment in your manual.D. ProductsYou will hand in the products from each experiment in a clean, well-labelled vial. The following information should be included on the vial label:- Your name- Product name or ID #- Mass yieldE. Due days for laboratory reports: Friday by noon on the week following that inwhich the experiment was conducted. This gives you 9-10 days to write up your reportsand to collect analytical data on samples that need to be dried for a week. Late lab report = dropping of that report’s grade by one letter gradeF. Laboratory Exam: This will be given at the end of the session and


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