"Bromination of alkenes" Essays and Research Papers

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    eliminated the reaction yields an alkene in which the un-protonated alcohol serves as the reaction solvent. This experiment then called for the distillation of this mixture‚ using a distillation apparatus. As this distillation took place the products‚ alkenes and water continuously distilled from the reaction mixture into a Hickman still as they were formed. The removal of these elements shifted the equilibrium to the right‚ ultimately increasing the yield of alkene‚ this is also known as Le Chatelier’s

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    Electrophilic Reactions

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    107 oC 1.18 g/ml Sodium bicarbonate NaHCO3 84.007 g/mol Decomposes at melting point unknown 2.159 g/ml Diethyl ether C2H5OC2H5 74.12 g/mol 34.6 °C −116.3 °C 0.7134 g/ml In this lab we use electrophilic addition of a hydrogen halide to an alkene to make 2-bromo-2-methylbutane. Electrophilic addition

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    c1 notes

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    early atmosphere - earth roughly 4 billion yrs old - created by volcanoes erupting + releasing gases - contained mostly co2 + water vapour - earth cooled + water vapour condensed to form oceans - co2 dissolved into oceans + used to form marine organism shells which were compacted to form sedimentary rock - plants evolved to photosynthesise‚ takingin co2 + releasing oxygen - scientists don’t kno where all nitrogen came from bc they weren’t there to record evidence but most theories suggest

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    Hydrocarbon

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    HOMOLOGOUS SERIES | ALKANE | ALKENE | ALCOHOL | CARBOXYLIC ACID | ESTER | GENERAL FORMULA | CnH2n+2‚ where n= 1‚2‚3‚.. | CnH2n‚ where n= 2‚3‚4‚.. | CnH2n+1OH‚ where n= 1‚2‚3 | CnH2n+1COOH‚ where n= -0‚1‚2‚3‚.. | CnH2n+1COOCmH2m+1‚ where n= 0‚1‚2‚3‚.. and m= 1‚2‚3‚.. | PHYSICAL PROPERTIES | * MP & BP Size of hydrocarbon molecules inc‚ f.o.a inc‚ more heat overcome f.o.a * Density Mass per molecule inc faster than volume per molecule * Gas – liquidSize of hydrocarbon molecule inc‚ f

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    located around 1900 cm-1 indicates the presence of a benzene ring. For the product‚ the peaks located just over 3000 cm-1 indicate carbon hydrogen bonds. The weak carbon-carbon double bond peak located at 1621 cm-1 indicates the presence of a trans alkene. This is also supported by the peak located at 964.93 cm-1‚ the trans isomer peak. The two peaks at 1621.31 and 1516.29 cm-1 along with the overtones located around 1900 cm-1 indicates the presence of a benzene ring. Based on this data‚ it can be

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    using the resulting aldehyde‚ along with 2‚4-dimethylpyrole‚ a BODIPY dye was obtained [36]. To facilitate intersystem crossing‚ the 2- and 6- positions of the boradiazaindacene ring system were iodinated with an iodic acid-iodine mixture [37]. Bromination at the same positions was performed via N-bromosuccinamide (NBS) [38]. 8-Palmitoyl-1‚ 3‚ 5‚ 7-tetramethyl-2‚ 6 diiodo-4-bora‚ 3a‚ 4a-diaza-s-indacene was obtained by the iodination of 8-palmitoyl-1‚ 3‚ 5‚

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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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    Chem 211

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    Properties Alkanes & Cycloalkanes: Introduction to Hydrocarbons Alkanes & Cycloalkanes: Conformations and cistrans Stereoisomers Stereochemistry Alcohols & Alkyl Halides. Nucleophilic Substitution Structure & Preparation of Alkenes: Elimination Reactions Reactions of Alkenes: Addition reactions Alkynes Conjugation in Alkadienes & Allylic Systems Arenes and Aromaticity Reactions of Arenes: Electrophilic & Nucleophilic Aromatic Substitutions B. R. Kaafarani 2 Course Grading Exam I Exam II Assignments

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    War Poem

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    The Earth’s atmosphere has changed over billions of years‚ but for the past 200 million years it has been much as it is today. We are‚ however‚ causing our atmosphere to change by human activity. Burning fossil fuels and deforestation are two examples of human effect on the environment. Composition of the Earth’s atmosphere The composition of air You need to know the proportions of the main gases in the atmosphere. The Earth’s atmosphere has remained much the same for the past 200 million years

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    Alkanes are saturated hydrocarbons. They contain only carbon-carbon and carbon-hydrogen single bonds. They are the least reactive of the organic compounds. The main source is crude oil. Hydrocarbon- a compound consisting only of hydrogen and carbon Saturated- Contain single carbon -carbon bonds only Unsaturated-contains a C=C bond Petroleum fraction- mixture of hydrocarbons with a similar chain length and boiling range The general formula for is CnH2n+2 (for ring alkanes is CnH2n)

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