CHE 213-451 11-1-11 Title: Radical Chlorination of 1-Chlorobutane Abstract: The purpose of the lab is to form 4 different dichlorobutanes by reacting chlorine radicals with 1-chlorobutane. This is then analyzed by gas chromatography to determine the experimental abundance of each isomer. Results: 1‚1-dichlorobutane had an experimental abundance of 5.9%‚ 1‚2-dichlorobutane had an experimental abundance of 21.1%‚ 1‚3-dichlorobutane had an experimental abundance of 48.7%‚ 1‚4-dichlorobutane
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Origin and Evolution of Money Barter Money‚ as we know it today‚ is the result of a long process. At the beginning‚ there was no money. People engaged in barter‚ the exchange of merchandise for merchandise‚ without value equivalence. Then‚ a person catching more fish than the necessary for himself and his group‚ exchanged his excess fish for the surplus of another person who‚ for instance‚ had planted and harvested more corn that what he would need. This elementary
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History of Rockets Our time there has been an evolution in our history of rockets. It has been one man-kinds greatest invention for thousands of years. Rockets date back to 400 B.C in the city Tarentum from a roman writer named Aulus Gellius as he tells a story of a Greek‚ named Archytas. Archytas used his invention to amuse and baffle the people by flying a wooden pigeon using steam to propel the bird suspended off wires. Couple three hundred years later after the invention of Archytas flying
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survive in any particular niche. In summary‚ natural selection will drive the adaptation of any given population to fit the number of available niches‚ and this will create the biodiversity that is present in nature. Explain Continued evolution requires a diverse population‚ which provides the raw material on which natural selection can act. As natural selection is the accumulation of random‚ small genetic changes‚ the chances of any of these changes resulting in an organism capable of
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Fashion evolution through the years Who didn’t have been heard something about the most representative eras of the fashion‚ like 50s‚ hippie’s age‚ disco fever‚ or grunge? All these ideologies had been make an important change through the time. There exists a great evolution through the fashion of the 40s to the 90s‚ and it involves different ideologies‚ dress trends‚ shoes and hairstyles. I’m going to mention only the most representative eras of the fashion that marks a significant change in our
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Philippines‚ where culture is dynamic and ever-changing‚ it has to the researcher’s attention that there has been great changes in the way courtship is done between Filipino males and females. With this‚ the researcher would like to interpret the evolution of courtship. The landscape of male and female interaction has changed over the past 100 years‚ revealing a very sharp contrast in shape and form. One significant area where this is clearly seen is in the area of courtship and dating. In 1896‚
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The Evolution of Management Management thinking and practice have evolved over the last century as a result of increased understanding of human and organisational behaviour‚ the economic climate and historical context and the changes in generations over time. However if we’re really honest‚ much of what we practice today is due to the consulting industry playing on executives’ fears and aspirations by selling products and services that cause more problems than solutions‚ and our own human weakness
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The Evolution of Amazon.com BIS219 November 17‚ 2011 The Evolution of Amazon.com Amazon.com’s corporate culture is one that fosters creativity and innovation‚ making it one of the biggest publicly traded tech firms in the nation. There are several principles consistently used that makes the company profitable. This paper discusses some of the principles‚ strategies‚ and techniques that have lifted Amazon head and shoulders above their competitors. This paper will also discuss whether the
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The Evolution of the Automobile The official definition of an automobile is “a passenger vehicle designed for operation on ordinary roads and typically having four wheels and a gasoline or diesel internal-combustion engine” (Merriam-Webster 51). There is no one person accredited for the invention of the automobile‚ but rather a collection of advancements that evolved into the modern-day automobile (Smith 12). Today‚ there are approximately 600 million passenger vehicles in existence worldwide
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Evolution of Management The evolution of management can be divided into three distinct era’s. The Pre-Classical Era‚ Classical era and Neo-classical era. Pre-Classical Era From the Biblical times we find monarchies of the time use some form of management to lord over the great kingdoms such as the Egyptians who used hierarchy management to build the pyramids‚ Moses leading the Israelites through the desert to the promised land and King David when he was in charge of the kingdom of Israel. In
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