Chemistry 3373F Lab Manual 2008 Modified 11/07 Table of Contents Chem 3373 Laboratory Schedule for Fall 2008.............................................................................2 The Benzoin Condensation of Benzaldehyde ..............................................................................3 Synthesis of Dilantin and Related Compounds (two weeks).........................................................6 Synthesis of an Alkaloid: Pseudopelletierine (two weeks) .............
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THEORY: The Diels-Alder cycloaddition reaction was discovered by Otto Diels and Kurt Alder and is very useful in the synthesis of polycyclic compounds. The Diels-Alder reaction can be described as: [4+2] cycloaddition- a diene with 4 π electrons + 2π electrons from the dienophile; a pericyclic concerted reaction- meaning the reaction occurs in a single step (no intermediates) and involves a cyclic redistribution of bonding electrons. In order for a Diels-Alder reaction to take place
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AIM: TO MAKE BAKELITE USING PHENOL AND FORMALDEHYDE. INDRODUCTION: WHAT IS BAKELITE? Bakelite or polyoxybenzylmethylenglycolanhydride is an early plastic. It is a thermosetting phenol formaldehyde resin‚ formed from an elimination reaction of phenol with formaldehyde. It was developed by Belgian-born chemist Leo Baekeland in New York in 1907. One of the first plastics made from synthetic components‚ Bakelite was used for its electrical non-conductivity and heat-resistant properties
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Point of Benzoin: 132°C Theoretical Melting Point of Benzil: 94.5°C Discussion and Conclusions: The purpose of this experiment was to prepare benzil by first converting benzaldehyde to benzoin by the benzoin condensation‚ then oxidizing benzoin to benzil. The benzoin condensation was carried out using thiamine hydrochloride‚ or vitamin B1‚ as a catalyst. The percent yield of the product was sub-par. It was found to be 54.4%‚ which may have been due to the formation of other byproducts during
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According to the wealth concentration theory‚ those who already hold wealth have the means to invest in new sources of creating wealth or to otherwise leverage the accumulation of wealth‚ thus are the beneficiaries of the new wealth. Over time‚ wealth condensation can significantly contribute to the persistence of inequality within society. This correlation between being rich and earning more is also contributed by plutocracy: the ability of the rich to influence government disproportionately to their favor
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for sharing with us your comments regarding the headlight condensation of your S400 vehicle. We appreciate your letting us know regarding the formation of the condensation after driving the vehicle in the mild rain and thank you for your patience so far in this matter. We recognize your concern and we believed you would have a better understanding and acceptance to the matter once we have shared this handy information to you. Condensation is defined as the change in the physical state of matter
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cooking inside. This is known as Radio Condensation Fever. Look over to the Wi-Fi router that you are using to look at that funny cat video you are inevitably watching on Facebook as you read this and see if you are feeling their symptoms. Feeling lightheaded? Hot? Vomiting? Feel like you have some shortness of breath? Like your body is slowly becoming like that steak you ate last night? Well you shouldn’t‚ because there is no such thing as Radio Condensation Fever. Nothing that was just said is true
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Rising Damp‚ Condensation‚ Water Penetration and Leaks in Domestic Traditionally Constructed Dwelling in the UK. This document provides information to help diagnose‚ manage and resolve damp related problems in domestic dwellings. Rising Damp This is the technical term describing moisture rising up a wall. Rising damp becomes evident in the form of stained walls‚ blistering and peeling paintwork as well as salt accumulation up to one meter high. Rising damp can arise for various reasons‚ the common
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Wealth and Democracy. By Kevin Phillips. (New York: Broadway Books‚ c. 2002. Pp. vii‚ 422. ISBN 0-7679-0533-4.) Wealth and Democracy clearly illustrates and emphasizes the importance of Democracy being endangered. The author Kevin Phillips‚ America’s leading political analyst since 1968 and a graduate of Harvard Law School appears very informed and credible. Wealth and Democracy outlines and explains the politics of the second half of the 20th century. In this book Phillips primarily
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who controls the past controls the future‚ who controls the present controls the past. Rich Dad‚ Poor Dad By Robert T. Kiyosaki V1.0(9-9-2002) If you find and correct errors in the text‚ please update the version number by 0.1 and redistribute. Ripped by Tangtang INTRODUCTION There is a Need Does school prepare children for the real world? "Study hard and get good grades and you will find a high-paying job with great benefits‚" my parents used to say. Their goal in life was to provide a
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