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Laboratory in Organic Chemistry

by: Herta Weber

Laboratory in Organic Chemistry CHEM 213

Marketplace > Pennsylvania State University > Chemistry > CHEM 213 > Laboratory in Organic Chemistry
Herta Weber
Penn State
GPA 3.97

Tracy Halmi

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Tracy Halmi
Class Notes
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This 0 page Class Notes was uploaded by Herta Weber on Sunday November 1, 2015. The Class Notes belongs to CHEM 213 at Pennsylvania State University taught by Tracy Halmi in Fall. Since its upload, it has received 9 views. For similar materials see /class/233155/chem-213-pennsylvania-state-university in Chemistry at Pennsylvania State University.

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Date Created: 11/01/15
CHEM 213 Writing an Effective Introduction and Conclusion in science Introduction In a good introduction you provide the reader the context and purpose of your work Context Take a few sentences to tell the reader where your expelimental work fits into the larger scope of science For example suppose you are l I 39 an 1 39 to 39 the analgesic ibuprofen A good introduction would sound like Chemical compounds used to alleviate pain or analgesics are of great importance to modern medicine A notable example of these agents is ibuprofen a nonisteroidal antiiinflammatory drug NSAID First prepared and marketed by the Boots Group in the UK during the 1960s2 it currently enjoys worldwide sales of over 300 miillion US per year under the trade names Motrin and Advil E as well as their generic equivalents Note that it is referenced if you make a factual claim in a scientific paper it must either a1ise from your data or from a peerreviewed source such a book or journal article In this course we prefer endnotes sequentially numbered footnotes and endnotes are both freely used in the literature however Websites are NOT to be referenced in your lab reports or other scientific work This is because they are often NOT reviewed by peer scientists in the field and are eeting in nature Websites are constantly being reworked and rewritten and are not a permanent repository for scientific data However a website like Wikipedia or Google Scholar may provide you the references from real books and journals to cite Remember it is not good to cite anvthing unless vou have actuallv read the citation Purpose Now tell the reader what you intend to add to the body of scientific knowledge This may sound a little implausible for a CHEM 213 lab report but you are performing an expeliment in this course to prepare a compound identify and unknown or provide data for a physical process Bascially lay out how you will conduct the expeliment and what questions you hope to answer Continuing the paragraph above In this experiment ibuprofen will be prepared from isobutylbenzene using a novel three step reaction sequence The final product will be characterized by melting point infrared spectroscopy IR and nuclear magnetic resonance spectroscopy NMR and an overall synthetic yieldfor the process will be determined You have now told the reader your synthesis is novel and how you will prove that you actually obtained the target compound This is a promise made to the reader and should be kept in mind as you write your discussion and conclusion statements This will make those sections more concise and focused towards your goals Conclusion In a good conclusion you provide the reader a synopsis of the results of your work Although the results are thoroughly illustrated in the discussion section you want to tie into those promises you made in the introduction


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