elimination process on the dibrominated product. This process is considered “greener” compared to the original bromination procedures. In order to create the alkyl halides‚ which are able to undergo chemical transformations more readily than the carbon-carbon double bond‚ onto the trans-stilbene the addition process of halogenation in needed. The typical reagents that are used‚ such as elemental bromine and liquid bromine‚ are dangerous and highly corrosive‚ so this experiment used an alternative method
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Institute of Technology [pic] ABSTRACT Elemental analysis of organic compounds determine the elements present in them but they do not give the actual structure or the functional groups present. Since all organic compounds contain hydrogen and carbon‚ most tests consist of only the determination of oxygen‚ sulfur‚ nitrogen and halogens – elements that are most of the time the only ones involved in organic compounds. The experiment focused on the Sodium Fusion test‚ which tested for all elements
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fullerene with glycine. These higher atomic charges of exohedrally functioned doped fullerenes with glycine surface can be increased storage capacity. The binding energy of glycine to doped fullerene generated a more stable structure through metal ion-carbon atoms. NMR Analysis shows the property of the aromaticity of doped fullerene with glycine. Moreover‚ the simulated vibrational spectra of main characteristic peaks are assigned in doped and undoped fullerene with glycine. The theoretical calculatin
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3 Questions I have: ● According to Asimov‚ when do people solve problems or make discoveries‚ and why? ● How does Asimov include the scientific information of Archimedes’ and Kekule’s discoveries necessary to help understand them better? ● What was Asimov’s idea behind “Eureka! Eureka!” and how did it fit into the purpose of the story? In the story The Eureka Phenomenon by Isaac Asimov‚ Asimov includes the scientific information of Archimedes’ and Kekule’s discoveries to help the audience und
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2-Hexanone Hexanoic Anhydride Hexonic Acid Hexanoamide Hexanal Methyl Hexanode Hexanal Chloride Hex-3-en-2-one Spartan Vibrational frequencies: Compound Frequencies (in ) 2-Hexanone 1934 Hexanoic Anhydride 1946 Hexonic Acid 1964 Hexanoamide 1895 Hexanal 1918 Methyl Hexanode 1940 Hexanal Chloride 1968 Hex-3-en-2-one 1916 Frequencies from the IR spectrophotometer: Compound Frequencies (in ) 2-Hexanone 1716
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plastics are used in packaging. This puts special pressure on the EUR 500billion packaging industry to reduce dependence on oil. Alleviating such heavy reliance on petroleum‚ the use of renewable natural resources in industrial applications will reduce carbon footprint attributable to consumption. However‚ undertaking the movement to create more environmentally friendly plastic should not compromise the quality or economic competitiveness of the products. As a solution to this problem‚ VTT Technical Research
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EXPERIMENT 8 BOILING POINT n-Butyl Alcohol n-Butyl Alcohol‚ a four carbon straight chain alcohol‚ is a volatile‚ clear liquid with a strong alcoholic odor; miscible with water. It is flammable strongly with a luminous flame. Formula: C4H9OH Boiling point: 118 ºC Melting point: -89 ºC Tert-Butyl Alcohol Tert-Butyl Alcohol or “2-methyl-2-propanol” is the simplest tertiary alcohol. It is one of the four isomers of butanol. Tert-Butanol is a clear liquid (or a colorless solid‚ depending on
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UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS International General Certificate of Secondary Education *1144188971* COMBINED SCIENCE Paper 2 (Core) 0653/21 October/November 2010 1 hour 15 minutes Candidates answer on the Question Paper. No Additional Materials are required. READ THESE INSTRUCTIONS FIRST Write your Centre number‚ candidate number and name on all the work you hand in. Write in dark blue or black pen. You may use a soft pencil for any diagrams‚ graphs‚ tables or rough working
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(2u) and step time of 75 seconds for the samples of different hours milled samples and FESEM images were recorded through Zeiss microscope (Zeiss‚ UK‚ Model: SUPRATM 35Vp) of calcined samples.[16] Calcination at 1200°C is done for eliminating the carbons‚ present in the mixtures. Since both BaCO3‚ SrCO3 have very stable
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applications is still very widely used in almost every industry . Graphite is mainly used in the metallurgical industry refractories ; molds used in the casting industry and anti-rust paint ; in the electrical industry for the production of carbon electrodes ‚ carbon rod electrodes ‚ batteries and many other aspects ; in the machinery industry as aircraft ‚ ships ‚ trains and other high speed machinery lubricants ; in the chemical industry for the manufacture of a variety of corrosion-resistant containers
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