UNIT 5 ASSIGNMENT RESEARCH PROJECT BY: GRAINNE OCONNOR HAND IN DATE: LECTURER: ANN MC DOWELL CONTENTS PAGE: INDEX PAGE PAGE 2 RESEARCH PAGE3-5 AIMS/OBJECT/METHOD PAGE 6 LITUATURE REVIEW PAGE 7-8 RESEARCH APPENDICES REFERENCES INTRODUCTION Grainne’s Hair Salon at O’Cahan’s place Dungiven. The salon is situated on the outskirts of the town area however in a private residential area‚ within walking distance from the town’s amenities. The staff team consists of a proprietor/manager and junior
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Name: Yakira Barnes Date: 02/17/15 School: Aliceville High School Facilitator: Mrs. Hinton Work file 4.1 Beyond the Smoke Screen Use the links provided in the lessons to complete this study guide for Tobacco. Health Effects of Smoking 1. Cigarette smoking is the number one cause of preventable disease and death worldwide. 2. The average cost for an adult smoker is $4‚260. 3. Cigarette smoke contains over 7000 chemicals‚ 69 of which are known to cause cancer. 4. Smoking harms nearly every organ in
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Band broadening theory (Van Deemter equation) It is well recognized now that column band broadening originates from three main sources: 1. multiple path of an analyte through the column packing; 2. molecular diffusion; 3. effect of mass transfer between phases. In 1956 J.J. Van Deemter introduced the equation which combined all three sources and represented them as the dependence of the theoretical plate height (HETP) on the mobile phase linear velocity. Originally‚ it was introduced for gas
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sample temperature for the fractional distillation was 79° C. One microliter of sample was injected into the gas chromatograph. “Typical response factors for the possible components are as follows: hexane (1.50)‚ cyclohexane (1.80)‚ heptane (1.63)‚ toluene (1.41)‚ ethyl benzene (1.00).” DISCUSSION Table 1 Simple Distillation Boiling Points | 1st Drop | 67° C | .5 mL | 69° C | 1.0 mL | 71° C | 3.5 mL | 80.5° C | Table 2 Fractional Distillation Boiling Points |
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Title: Experiment 28: Nitration of Methyl Benzoate Objective: The students will learn to nitrate methyl benzoate through electrophilic aromatic substitution reaction. They will learn the importance of regiochemistry in chemical reactions. They might experience disubstitution through a high temperature. Reactions: Observation: The crystals started to form when added 2 g of crushed ice. The addition of hot methanol dissociated the crystals. The crystals reappeared when cooled down in
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Tetraethoxysilane (TEOS‚ 99%)‚ chloropropyltriethoxysilane (CPTES‚ 99%)‚ absolute ethanol (EtOH‚ 99%) and other chemicals were purchased from Merck and Sigma Aldrich companies and used without further purification. Ciprofloxacin was purchased from Pars Daru Company. Preparation of modified magnetic silica NPs (Fe3O4@SiO2~Cl) Initially‚ the magnetic NPs prepared through a coprecipitation method and coated with a silica layer via a modified sol-gel method [20]. In brief‚ FeCl3.6H2O (0.036 mol) and
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Alkynes Chapter 7 Triple Bond Structure Nomenclature IUPAC: use the infix -yn- to show the presence of a carbon-carbon triple bond 4 3 2 1 2 3 4 6 7 5 1 2 3 4 6 7 5 1 3-Methyl-1-butyne 6‚6-Dimethyl-3-heptyne 1‚6-Heptadiyne Common names: prefix the substituents on the triple bond to the name “acetylene” IUPAC name: Common name: 2-Butyne D imethylacetylene 1-Buten-3-yne Vinylacetylene Physical Properties
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TWS Chemistry 1013-231 Organic Chemistry I Name___________________________________ 2011 Exam#2 - Version 2 MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Energy is __________ when bonds are formed and is __________ when bonds are broken; therefore‚ bond dissociation energies are always __________. A) consumed / released / endothermic B) consumed / released / isothermic C) released / consumed / endothermic D) consumed / released / exothermic
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RESEARCH PROJECT PROPOSAL 1 Eco Pen: Recycled Ballpoint pen Ink from Motor Oil Proponents: ACLAN JR‚ VIRGILIO P. ALDAMA‚ ALLIAH A. DE CHAVEZ‚ MYLENE JENVER E. MANGERON‚ AIRELL M. MASONGSONG‚ JOHN MICHAEL L. Colegio de San Juan de Letran - Calamba RESEARCH PROJECT PROPOSAL 2 Significance: Can you imagine how many historical documents were written with ink? What if ink were not invented? Probably we don’t have this idea or maybe this paper. Inks and oils
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Natalia Nelson 6661318 Environmental Studies Section: Friday @ 2:00 with Jason Linn Fracking: The Invention of the Century or Destructive New Technology? Introduction: Possible quote – someone who supports the processs. Possible story: some analogy of something that was a good‚ necessary idea but just put off the inevitable and had a negative affect than fix it. Need for energy‚ how new ideas are necessary But is fracking really the best option? Public eye‚ people here about fracking
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