The SN2 Reaction: 1-Bromobutane Abstract In this experiment, an SN2 reaction was utilized to synthesize 1-bromobutane (n-bromobutane) from 1-butanol (n-butanol). To obtain this reaction, sulfuric acid was added to a sodium bromide and 1-butanol solution to create hydrobromic acid. Upon heating...
reduces the likelihood of cracking, and of unwanted side reactions occurring (e.g. excessive oxidation either of bromide ions to bromine or of the alcohol to carbon) owing to hot-spots. Why is the mixture heated for 45 minutes? Most organic reactions are slow because of the need to break strong covalent...
Name_________________________________________________ CHM 235, Fall 2014 Homework Assignment 4 (25pts.) Due in class November 20, 2014 (NO LATE ASSIGNMENTS ACCEPTED!) Chapter 4 1. Rank the free radicals (I-III) shown below in order of decreasing stability (i.e., from most stable to least stable). (CH3)3C·, CH2CHCH2·, CH3CH2·...
OF PRACTICE FOR THE PREVENTION AND REDUCTION OF INORGANIC TIN CONTAMINATION IN CANNED FOODS CAC/RCP 60-2005 INTRODUCTION History of use of tin 1. Tin is a soft, white, lustrous metal with an atomic weight of 118.7 and the chemical symbol Sn after its Latin name, Stannum. It has a relatively low...
people, with their differences, can also be right. © International Baccalaureate Organization 2014 Contents Introduction 1 Purpose of this document 1 The Diploma Programme 2 Nature of science 6 Nature of chemistry 13 Aims 18 Assessment objectives...
Ccal to Find Changes in Enthalpy and Heat of a Reaction with Different Concentrations and Volumes Abstract The purpose of this lab was to investigate the heat energy changes that occur during an acid-base reaction and relate it to enthalpy of reaction by first creating two different structured calorimeters...
in biological reactions Lab report BIOL 1003 Lab #3 Student number: 100978172 Student name: Chenying Dai Lab section #3 Partner: Katherine Cho 2014/11/02 Introduction Enzymes are protein catalysts, which are not consumed during the reactions, the reaction does not affect...
Name of the course Name of the instructor Name of the institution Date Abstract A reaction in which a certain property of a reactant changes after a predicted time is known as a “clock reaction”. In this study, the effect of increasing the volume of ascorbic acid to the time elapsed before...
Practical Work: Rate of Reaction Investigating how the rate of reaction is affected by the concentration of liquid reactants. Background information: The rate of reaction for a reactant or product in a particular reaction is defined as how fast or slow the reaction takes place. This experiment...
synthesize 3-phenylpropenoic acid from Wittig reaction. Introduction The Wittig reaction is a chemical reaction of an aldehyde or ketone with a triphenyl phosphonium ylide (often called a Wittig reagent) to give an alkene and triphenylphosphine oxide. Wittig reaction is widely used in organic synthesis for...
Mass Relationships in Chemical Reactions Lab Aim: The aim of this experiment is to react Sodium bicarbonate with Hydrochloric acid and to determine the reaction’s percent yield by looking to the mass (amount in mol used in calculations) of one of the products, Sodium chloride. Introduction: ...
also to create reduction power in the form of NADPH. ------------------------------------------------- ATP utilizing Primary active transport types (1) P-type ATPase : Sodium potassium pump, Calcium pump, Proton pump (2) F-ATPase : mitochondrial ATP synthase, Chloroplast ATP synthase (3) V-ATPase :...
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The enzymes reaction in 7 different potato slices when put in various temperatures and hydrogen peroxide added to each Potato slice. Hypothesis: I think that if the temperature of the potato is colder than it wont react as fast but if the potato is boiled then it wont have a reaction at all. I think...
How Concentration Increases the Rate of Reaction between Magnesium & Hydrochloric Acid _Mai Lynn Voldum 3.u._ Aim: To investigate how the concentration of hydrochloric acid affects the rate of reaction between magnesium and hydrochloric acid using the mean of collecting the amount of hydrogen released...
Introduction A chemical reaction is a process in which one or more reactants are chemically changed into one or more products. Chemical reactions are occurring constantly around us: in the air we breathe, in the food we eat, and the rest of the world around us. For decades, Alka-Seltzer®...
and study any chemical changes with household cleaners. To study and document the reaction between bleach and known chemicals. HYPOTHSIS My prediction is that the bleach may show some physical reaction to some of the testing chemicals but not all. I also predict that the solutions...
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Esterification of octan-1-ol and ethanoic acid Aims To prepare a fruit flavouring ester octyl ethanoate from an alcohol of octan-1-ol and carboxylic acid of ethanoic acid by heating under reflux in the addition of concentrated sulphuric acid as catalyst, extract the ester from the equilibrium mixture...
everyday life, reactions in a cell are normally much to slow to sustain life therefore enzymes are used in order to catalyze the reaction by lowering the activation energy needed for the reaction to occur (Biology Department, 2015). However only certain enzyme can catalyze certain reactions, the substrate...
UOP QRB 501 Week 1 Summary Answer the following questions in 250-500 words: 1. What is the single most important concept you learned this week? Why? Describe those content areas from this week's learning that you would have preferred had more emphasis, and those areas which you had less emphasis. Why...
Abstract: The purpose of the enzyme reaction lab was to see how enzymes reacted when effected by different acids. To start this procedure, we labeled four test tubes A, B, C, and D. Second, we poured .5 mL into all four test tubes. Then, we poured .5 mL of pH 2 into test tube B, .5 mL of pH 7 into...
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Check this A+ tutorial guideline at http://www.assignmentcloud.com/SOC-312-ASH-NEW/soc-312-week-2-dq-1-the-theory-of-mind Watch the following short film, Theory of Mind.mov, demonstrating the theory of mind using a juice box experiment. At around four years of age, a fundamental change occurs...
Data interpretation (charts, graphs, tables, data sufficiency etc. — Class X level) English Language Comprehension skills (Class X level). Note 1 : Questions relating to English Language Comprehension skills of Class X level (last item in the Syllabus of Paper-II) will be tested through passages...
Lab Report- Salt. Block 4 Introduction: In this lab we are going to be combining sodium hydrogen carbonate and hydrochloric acid, to create a reaction, with a product of salt. After these two react, they are held together with bonds. An ionic bond is the electrostatic bond between two ions formed...
UITWERKING TENTAMEN ORGANISCHE CHEMIE B, 6BB25, 11 juni 2008 ______________________________________________________________________ Opgave 1. Reactietypes 28 punten (14-7-7) a. | Reactanten Reactieproducten ...
Describe what tables 1 and 2 tell us about local authority decisions about homelessness in England Table 1 shows that over the time period there have been a significant reduction in the total decisions made for housing application in England. For example, during 1998 to 1999 244,830 decisions were...
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Media Reaction Paper Derek Murr Cultural Diversity Dr. Frank S. Czarny, Ph.D. November 3, 2008 I chose to do this media reaction paper on several articles I read on the web site USnews.com regarding Dr. Ron Paul and where he stands on Diversity. I also stumbled across a few articles...
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The Christmas Story of the Birth of Jesus References: Matthew 1:18-25; Matthew 2:1-12; Luke 1:26-38; Luke 2:1-20 The Conception of Jesus Foretold Mary, a virgin, was living in Galilee of Nazareth and was engaged to be married to Joseph, a Jewish carpenter. An angel visited her and explained to her...
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Gender gap in Cyberspace 1 Comparison and Contrast Of Gender Gap in Cyberspace By Sherri Stokes English 1020 WB -01 Instructor Dr. S. Wozniak January 21, 2009 Gender Gap in Cyberspace 2 This essay is about differences in the way that men and women view the exact same things...
(Suiter, 1). True as this is, it is no excuse for becoming as dependent upon it as we have become. The majority of teenagers with cell phones do not leave their homes without them: “most kids cower in fear just thinking about giving up any of these items we have lovingly dubbed necessities” (Suiter 1). Even...