NORTHERN CARIBBEAN UNIVERSITY DEPARTMENT OF BIOLOGY‚ CHEMISTRY and ENVIRONMENTAL SCIENCE LABORATORY MANUAL Instructor: Dr. M. Wilson CHEM401: BIOCHEMISTRY for NURSES Prepared by: Oreane Collins CHEMISTRY LABORATORY REGULATIONS AND SAFETY PRECAUTIONS Reference: http://www.sciencebyjones.com/safety_rules.htm Thanks to the Flinn Scientific Safety Rules for much of the below. General Guidelines 1. Conduct yourself in a responsible manner at all times
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C H A P T E R 5 Basic Concepts from Organic Chemistry 5.1 | INTRODUCTION The fundamental information that environmental engineers and scientists need concerning organic chemistry differs considerably from that which the organic chemist requires. This difference is due to the fact that chemists are concerned principally with the synthesis of compounds‚ whereas environmental engineers and scientists are concerned‚ in the main‚ with how the organic compounds in liquid‚ solid‚ and gaseous wastes
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Sample Lab Report Simple and Fractional Distillation Unknown # 2 Purpose In this experiment we aim to demonstrate that we can separate two volatile compounds from a mixture due to the different chemical properties of each compound. We will accomplish this by a separation procedure known as distillation‚ which relies on each compound having a distinct and separate boiling point. Our pure products will be analyzed with gas chromatography to determine the success of the distillation. Procedures
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would you predict for each of the following molecules? __1__ benzene __2__ 3-pentanone __4__ toluene __3__ ethanol __2__ t-butyl methyl ether 1. 1 2. 2 3. 3 4. 4 Question 2 1 / 1 point A compound to be analyzed by NMR should be dissolved in a solvent. Clearly the solvent should not have an NMR signal in the spectral area you are trying to analyze. Which solvents are appropriate for use in proton NMR? Question options: Benzene-d6 Chloroform Carbon tetrachloride Water Heavy water
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dalimss EV.S PROJECT Disease caused by the Environmental exposure MADE BY- [Type the author name] [Year] Environmental Diseases In epidemiology‚ environmental disease is disease caused by environmental factors that are not transmitted genetically or by infection. Apart from the true monogenic genetic disorders‚ environmental diseases may determine the development of disease in those genetically predisposed to a particular condition. Stress‚ physical and mental abuse‚ diet‚ exposure
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of Acetone The acetones are produced more than 5 million tonnes per year‚ especially in USA‚ Taiwan and China. There are many methods to produced acetone; however there are two methods that usually used which are reaction of propylene and benzene to produce cumene which produce phenol and acetone and the dehydration of isopropyl alcohol to produce acetone. According to ICIS‚ about 90% of productions of acetone are by using cumene process and with each tonnes of phenol can produce 0.62 tonnes
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| nitric acid | alcali volatil | ammonium hydroxide - ingredient in cleaning agents | alcohol‚ grain | ethyl alcohol | alcohol sulfuris | carbon disulfide – used in fumigation‚manufacturing‚insecticide and solvent | alcohol‚ wood | methyl alcohol - used as an antifreeze‚ solvent‚ fuel‚ and as adenaturant for ethanol | alum | aluminum potassium sulfate | alumina | aluminum oxide - As a filler‚ abrasive‚ effect pigment | antichlor | sodium thiosulfate - used for the neutralization
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Use of Ionic liquids in Industrial Applications Samar Noureldin ‚ Amel Elsadig ‚ Mohammed Mahjob Department of Chemical engineering ‚ University of Khartoum‚ Sudan Paper of 4th grade project ـــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــ
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industrially important intermediates. These compounds are prepared under efficient green protocol with high yield and shorter reaction time in presence of eco-friendly catalyst ZnO/ZrO2. These are prepared using unfunctionalized simple/substituted benzenes which are cheap‚ more abundant and renewable
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would be the thiolane. A good leaving group in this case would be chlorine. After thiolane attacks‚ it results with dithiolane-xylene. The second step is reaction with sodium hydroxide. The hydroxide it used for deprotonation upon the substituted methyl group. This creates a carbocation. The carbocation attacks another similar monomer in which the thiolane is the leaving group. This creates two thiolanes on one monomer and one thiolane on the other monomer. The monomer with two thiolanes loses one
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