"Bromine and alkanes" Essays and Research Papers

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    Chemistry Water Summary

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    Energy 1. Living organisms make compounds which are important sources of energy * outline the role of photosynthesis in transforming light energy to chemical energy and recall the raw materials for this processco2+h2oglucose+o2+h2othis is then stored as carbs and starch | * outline the role of the production of high energy carbohydrates from carbon dioxide as the important step in the stabilisation of the sun’s energy in a form that can be used by animals as well as plants harnesses

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    reaction‚ SN2 is only a one-step reaction. Its rate is determined by both the organic halide and the nucleophile. Several organic halide were used to complete this experiment. INTRODUCTION An alkyl halide is another name for a halogen-substituted alkane. The carbon atom‚ which is bonded to the halogen atom‚ has sp3 hybridized bonding orbitals and exhibits a tetrahedral shape. Due to electronegativity differences between the carbon and halogen atoms‚ the σ covalent bond between these atoms is polarized

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    distinguish between organic and inorganic compounds and recognize important organic functional groups. 2. The student will be able to draw Kekulé‚ condensed‚ and skeletal structures for organic compounds; name by IUPAC or common system the classes of alkanes‚ alkenes‚ alkynes‚ alcohols‚ alkyl halides

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    5

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    Environmental Chemistry It often matters how much given atoms combine‚ in what arrangement‚ with what others‚ what impulse they receive‚ and what impart. The same ones make up earth‚ sky‚ sea‚ and streams; the same as the sun‚ the animals‚ grains and trees‚ but mingling and moving in every different ways. - Lucretius (95-52 B.C.) in The Nature of Things I. Physical Chemistry Why is Physical Chemistry important in the study of Environmental Engineering? • Applied physical chemistry procedures

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    found to determine syn or anti addition of bromines. The melting point was 199-203°C and the NMR J values angle is at 167 which both prove the erythro-2‚3-dibromo-3-phenylpropanoic. Determination of the Stereochemistry of 2‚3-dibromo-3-phenylpropanoic acid. Introduction The purpose of this experiment was to determine the mechanism of the reaction of trans-cinnamic acid with the addition of bromines to 2‚3-dibromo-3-phenylpropanoic acid. An addition of bromine was added to trans-cinnamic acid and it

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    revision past year paper

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    Organic Chemistry - Introduction 1 2812 Basic definitions for organic chemistry Scope Organic chemistry is a vast subject so it is easier to split it into small sections for study. This is usually done by studying compounds which behave in a similar way because they have a particular atom‚ or group of atoms‚ (FUNCTIONAL GROUP) in their structure. Catenation The ability to form bonds between atoms of the same element. Carbon catenates to form chains and rings‚ with single‚ double

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    Biodegradation

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    removal based upon their structural class. The rhamnolipid biosurfactants enhanced the rate of linear alkane biodegradation more than the biodegradation rate of the monoaromatics. The rate constants for hexadecane and dodecane increased by 111 and 76% to 4.7 and 0.3 mg/h‚ respectively‚ while those of benzene and toluene increased by 34 and 65% to 3.1 and 4.0 mg/hr‚ respectively. The branched alkane degradation rate constants were also increased by 71% for iso-octane and 39% for pristane. In contrast

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    Chemistry for Students of O

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    SYLLABUS Cambridge O Level Chemistry 5070 For examination in June and November 2014 University of Cambridge International Examinations retains the copyright on all its publications. Registered Centres are permitted to copy material from this booklet for their own internal use. However‚ we cannot give permission to Centres to photocopy any material that is acknowledged to a third party even for internal use within a Centre. © University of Cambridge International Examinations 2011 Contents

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    Lewis base. It can therefore be saturated by the addition of a halogen to the double bond. Both of the reactants are non-polar but there is an induced polarity during the reaction due to the electron-rich site at the double bond‚ which results in bromine acting as an electrophile. In this reaction‚ the cinnamic acid reacts as an alkene. Alkenes are unsaturated hydrocarbons with a carbon-carbon double bond. In a double bond‚ a pair of electrons lies between the carbon atoms in a σ bond and the other

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    Task 3: The chemical tests used in order to carry out and collect these results are useful for the simple identification of colourless organic liquids and ones that are often found at the scenes of crime. The first test carried out was the Lucas test which was used to identify a variety of alcohols following the contribution of a given solution‚ from carrying this out I could then identify that primary and secondary alcohols were present with one tertiary alcohol also being present however despite

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