ELECTROPHILIC ADDITION PURPOSE The purpose of this lab is to learn how to synthesize 2-methyl-2-butene into 2-bromo-2-methylbutane using addition of hydrogen bromide. THEORY Chemical Compound Molecular Formula Molecular Weight Boiling Point Melting Point Density Amylene CH3CH=C(CH3)2 70.13 g/mol 36 oC -134 oC 0.662 g/ml Hydrobromic Acid HBr 80.91 g/mol 126 oC -11 oC 1.490 g/ml 2-Bromo-2-MethylButane C5H11Br 151.05 g/mol 107 oC 1.18 g/ml Sodium bicarbonate NaHCO3 84.007 g/mol Decomposes
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phosphorus ylide. The methyl trans-4-methoxy cinnamate produced is then analyzed using melting point and 1H NMR spectroscopy. Theory The Wittig reaction prepares alkenes from carbonyl compounds by attacking a phosphorus ylide with a nucleophilic carbon atom stabilized by a triphenylphosphonium group. An ylide is a compound that contains two oppositely charged atoms bonded together with complete octets and is generated through phosphonium salts. This experiment is a modified Wittig reaction that
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2‚ and 1.This shows that the alcohol is a meta-substituted benzene ring. The singlet peak with a chemical shift of~ 4.7 ppm with an integration of 1 is from the hydrogen on the OH group. The peak at ~ 1.7 ppm corresponds to the hydrogen of the carbon that is attached to the OH group. The peak with a chemical shift of 3.7 ppm with an integration of 3 comes from the hydrogens of the methoxy group. And finally‚ the peak with an integration of 3 with a shift of 1.4 ppm comes from the methyl group
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dominant‚ it is of more significant interest.In the COD test‚ the amount of oxidation that takes place depends on sample COD concentration‚ digestion time and reagent strength. It gives a measurement for the total organic carbon present in the sample.The open reflux test can be used for a large range of wastes‚ but results in hazardous wastes such as mercury and sulphuric acidbeing produced. These quantities can be reduced by the use of the closed
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1-(4nitrophenyl)ethanoate‚ this is indicated by the peak at 763.16cm-1 when compared against literature values for IR Spectroscopy shows a C-H bend in the ortho position of the phenyl ring‚ which points to the position of ethanoate being on the 4th carbon. Looking back at the yields it can be see that there has been an error in the drying process for Benzanilide resulting in a very high yield of 206%. However this is most likely to only affect the yield result‚ and not the chemical structure of
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Biochemistry‚ GRT1 Task 2 Essential Amino Acid Valine A1: 2 Characteristics of Valine • Valine is a nonpolar amino acid‚ with many carbons surrounded by hydrogen. Valine is unable to interact with water molecules‚ making it HYDROPHOBIC (MSDS‚ 2005). • Flammability- Valine is combustible at high temperatures. These products are carbon oxides and nitrogen oxides. In case of a small fire‚ dry chemical powder should be utilized. In case of a large fire‚ utilize water spray‚ fog or foam. No water
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Abstract This project is about the formulation of the healing cream or the COCO – CHAR – CREAM‚ particularly. Due to economic crisis we are facing today‚we should think of some remedies to various ailments or diseases that we are suffering from. Remedies that we can afford at a very low cost and can avail everywhere. In this study‚ the researchers wanted to find answers to the questions of the possibility to formulate a low cost cream from the cococnut charcoal and coconut oil. Determined whether
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EXPERIMENT NO. 2 (A) Types of cutting tools: Single-point cutting tools can be classified by their motion as linear or rotator‚ depending on whether they rotate while cutting. Linear cutting tools include tool bits (single-point cutting tools and broaches. Rotary cutting tools include drill bits‚ countersink and counter bores‚ taps and dies milling cutters and reamers. Other cutting tools‚ such as band saw blades and fly cutters‚ combine aspect of linear and rotary motion. Following are different
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a poor electric conductor‚ but when it is at high temperatures‚ it is a good conductor. There are many types of Boron compound. Crystalline Boron is one of them‚ and it has the colour of a very black material. Its name of origin was from Borax and Carbon. Its melting point is at 2089°C and its boiling point is at 2550°C Boron was discovered by an American and two French chemists. When and how it was discovered It was discovered by Sir Humphry Davy‚ J.L Gay-Lassac and Louis Jacques Thérnard in
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gasoline to my car. 8) If you used the candle‚ what color was the molten wax? If you looked at something in the environment (a dog‚ bird‚ the sky‚ clouds)‚ provide details...color‚ texture‚ shape‚ size‚ etc. I believe the candle contains carbon and hydrogen atoms. When we burn the candle these two elements react with the oxygen on the air burns the candle. So based on my experiment the yellow can have molten wax. So if I looked outside the environment lots of animals live in the atmosphere
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