important because it is often used to form alkenes from carbonyl compounds. The purpose of this experiment is to isolate the trans‚ trans-1‚4-diphenyl-1‚3-butadiene‚ which is formed by a Wittig reaction along with the cis‚ trans isomeric diene. The reaction is carried out in two steps. First the Wittig salt is obtained through a simple nucleophilic displacement of chloride ion by triphenylphosphine. When treated with base‚ the Wittig salt forms a ylide which is a carbanion that acts as a nucleophile and
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Continuity in West Africa By Celine Sawiris During the fifteenth century‚ West Africa embraced many different civilizations and many diverse cultures. Many countries in Africa were part of the Muslim world‚ including Morocco in the west and Egypt in the east. The West African kingdoms experienced many changes‚ such as their beliefs changing from animism to Islam‚ making them organized states‚ while these kingdoms maintained traditional methods of trade. As well as having the advantage of trade routes‚
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“Gold Particles Found in Leaves of Eucalyptus Trees” Article Summary Have you ever said “I wish money could grow on trees?” Well that could actually be true! Geoscientist Melvyn Lintern was the author of “Gold Particles Found in Leaves of Eucalyptus Trees.” This article was published in Science News magazine on October 23‚ 2013 and retrieved online at http://www.sci-news.com‚ on January 16‚ 2014. Melvyn Lintern from CSIRO (Commonwealth Science and Industrial Research Organization) Earth Science
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package je; import java.applet.Applet; import java.awt.Color; import java.awt.Graphics; public class je { public static void main(String[] args) { // TODO Auto-generated method stub /* <APPLET CODE="Animation.JAVA" WIDTH=400 HEIGHT=300> */ //The basic applet class.The applet shows 4 cars crossing each other at a square. @SuppressWarnings("unused") class Animation extends Applet implements Runnable { //4 variables used to vary the car’s positions
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Chorus: Oh the spotlight is not for me I close my eyes and imagine I’m home! I miss the days when life was simple‚ But if I never try to follow that rainbow In search for the pot of gold! Oh‚ oh‚ oh! In search for the pot of gold! ... out there right now About to have an extra... Searching for a pot of gold like a lepricon‚ They say death comes in three‚ two’s next in line‚ I lost a best friend for the second time. Now I’m on the quest to find peace‚ Still gotta carry my beefs...
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Bacteria can be found in the air‚ soil‚ water‚ on you and inside you. There are mire bacterial cells inside your gut and on your skin than there are cells in your body. The Kingdom Monera is comprised only of bacteria. KINGDOM MONERA • • • • • There are many different kinds of bacteria‚ but all of them belong to the kingdom Monera. A thousand bacteria can sit side by side in just 1 tiny millimeter. Despite their small size‚ bacteria are the most abundant of any organisms on Earth. Bacteria often
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Literature February 13‚ 2015 Cornel West Cornel West‚ Ph.D.‚ is an American philosopher that was born on July 2‚ 1953. He is involved politically with the Democratic Socialists‚ and teaches in the Department of Religion and African American Studies. Cornel West is sometimes referred as a “non-Marxist socialist” and is one of the most famous and popular African American intellectuals in the United States. He wrote the bestseller book Race Matters which has sold over 400‚000 copies. West’s contribution
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The California Gold Rush 5/1/13 The California Gold Rush Before the Gold Rush of 1849‚ California was a sparsely populated‚ unimportant territory of the United States mostly inhabited by the people of Mexico. However‚ that all changed when on January 24‚ 1848; carpenter and small time sawmill operator James W. Marshall discovered a gold nugget in the American River that would forever change the history of California and America1. Not only did the Gold Rush lead to California’s
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Wild West shows‚ it consisted of a former Pony Express rider and Indian fighter‚ and the hero of popular dime novels for children. This show romanticized the West and the life of the cowboy. :"Buffalo Bill;" Killed over 4000 buffalo in 18 months while employed by the Kansas Pacific. The Great Plains : Runs from Northern Texas all the way up to Canada. The plains was a strip of flat land with poor dry earth. There were not a lot of rain or trees. : a vast prairie region extending from Alberta
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(Listeni/ˈspeɪn/; Spanish: España [esˈpaɲa] ( listen))‚ officially the Kingdom of Spain (Spanish: Reino de España)‚[c][7] is a sovereign state and a member state of the European Union. It is located on the Iberian Peninsula in southwestern Europe. Its mainland is bordered to the south and east by the Mediterranean Sea except for a small land boundary with Gibraltar; to the north and north east by France‚ Andorra‚ and the Bay of Biscay; and to the west and northwest by Portugal and the Atlantic Ocean. It is one
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