ADDITIONAL MATHEMATICS PROJECT YEAR 2011 FORM5 NAME : ONG KAH HONG FORM : 5 CEMERLANG NO I/C : 940422-06-5075 TITLE :Crude Oil TEACHER : MISS PHUA CHUI CHUI CONTENTS 1. Introduction Introduction of project……………. Introduction of integration………... Definition of integration………….. History of integration…………….. 2. Problem Solving Part1………………………………. Part2………………………………. Part3………………………………. Part4………………………………. Part5………………………………
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Bromination of Trans-Cinnamic Acid Christopher B. Martin CHEM 3411 1 Mechanism of Bromine Addition to Alkenes Understanding the chemical mechanism (order of bonds broken and made as well as intermediates formed) has a great value in chemical synthesis. The chemical mechanism of a reaction will influence the rate of the reaction‚ the stereochemistry of the product(s)‚ and the extent of possible undesired side reactions. Organic reaction mechanisms investigate the path towards a desired product
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Jacobsen’s Method of Epoxidation of an Alkene | | Abstract Various types of reactions were completed to first create and then use Jacobsen’s catalyst in the asymmetric epoxidation of an unknown alkene with bleach in the laboratory. The chiral epoxide synthesized was then characterized with GC/MS and NMR. With this information the unknown alkene was able to be identified as 4-chlorostyrene. Introduction Organisms have evolved with mechanisms that use specific enantiomers of molecules
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SYNT 0719 – Brominating Alkenes OBJECTIVE The purpose of this lab will be to brominate trans-stilbene by using acetic acid and pyrimidium tribromide by refluxing the mixture. To test the purity of product I will take the melting point which should be around 240 ºC along with a flame test which should be green-blue. CHEMICAL PROPERTIES TABLE See Attached Lab Notebook Copies REACTION MECHANISM In this lab we used multiple techniques to complete and verify the bromination of trans-stilbene
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Cervas‚ Edrich Manguni‚ Jasper Ventura‚ Rianna 2-13 Argumentative Essay: Additional fare‚ additional problem for students and parents The LRT and MRT fare hike has been the issue in the senate recently. It has been discussed that it is for the improvement of LRT and MRT operations. It is also for the additional budget for social services and infrastructure development. However‚ the 1.2 million daily passengers of the railway transit find it unfair. They are complaining about the negative
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Introduction In this experiment‚ exo-norborneol was produced by a hydration of alkenes by using an acid and excess water. Hydration of alkenes is the acid-catalyzed addition of water to a carbon-carbon pi bond that leads to the formation of an alcohol. Norbornene is a bridged cyclic hydrocarbon‚ this molecule contains a double bond that induces significant ring strain‚ and therefore‚ it is highly reactive. In order for this reaction to occur‚ equilibrium must be established between the hydration
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individual feeling not wanted and make them feel anxiety‚ and have a lock of confidence to show round other people. Employment Employer may not employ on individual on a wheelchair or with any other disability because they may think that people with additional needs can’t do certain job‚ which person without disability could do. Cultural barrier As individual with speech loss from different country ‚ who doesn’t speak English has to go to the hospital‚ but there may not be a person who speak their
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What is an additional need? According to Pete Youth an additional need means “any child or person with a physical‚ sensory‚ communication‚ behavioural or learning disability‚ or a long-term or life-limiting condition. This may also include children with emotional health and wellbeing needs where there is an impact on their daily life‚ including those with more significant mental health problems.” In my opinion additional needs means someone who needs extra help in order for them to lead normal lives
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UNIVERSITY COLLEGE DUBLIN NATIONAL UNIVERSITY OF IRELAND‚ DUBLIN Bachelor of Science (Singapore) FINANCIAL MANAGEMENT (FIN3003S) STUDY GUIDE BSc17 FT/ Singapore Copyright April 2013 1 Author: Mr Chong Chin Siong (2013) This manual was prepared for University College Dublin as a comprehensive support for students completing the above mentioned Degree programme. © This publication may not be reproduced‚ in whole or in part without permission from University College Dublin
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Electrophilic Aromatic Iodination of Vanillin Purpose: The purpose of this laboratory experiment is for an aromatic compound to undergo an electrophilic substitution reaction. To carry this out‚ our method combines sodium iodide and common bleach as the oxidizing agent in aqueous alcohol as the solvent. Balanced Chemical Equations: Physical Properties: Name of Chemical Chemical Structure Molar Mass (g/mol) BP/MP (ºC) Density (g/mL) Mass/Vol. Used Purpose 3-methoxy-4-hydroxybenzaldehye
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