4-diphenylbutn-2-one was a three week multi-step project. The steps involved protecting the ketone of ethyl acetoacetate with a ketal group‚ followed by preparation and reaction with Grignard‚ then purification by extraction and recrystallization. The yield was 78.5%‚ but there are impurities present suggested by 1H-NMR‚ IR‚ and TLC. However‚ the results do indicate the desired hydroxyketone was formed. Introduction: The purpose of this multi-step lab was to synthesize 4-hydroxy-4‚4-diphenylbutan-2-one
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Was there a Blitz spirit? * During the Blitz‚ there was a lot of bombings and damage which caused upset to many people. However in England‚ to a large extent it is believed that there was a Blitz spirit. There were mottos such as ‘keep calm and carry on’ which told people not to worry about the Blitz and just continue with their normal lives. Blitz spirit‚ defined as whatever happens you’ll stick to something until the bitter end. However‚ to some extent people believed there was no such thing
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Nain’sPorous Hierarchy of Needs: An Alternative to Maslow’s Hierarchy of Needs1. “Maslow’s model treats all men as pre-programmed robots‚ all of whom have the same pre-programmed pattern of needs.” Maslow Hierarchy of Needs2: Introduction Maslow‟s Need Theory supposedly forms as one of the bedrock principles of psychology3‚ and it has been applied to diverse fields like organizational behaviour4‚ organizational/&behavioural economics5‚ and management studies6 and beyond7. In the fields of organizational
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868 Words Topic: Was Antigone a tragedy? In the late 440’s B.C. the philosopher Sophocles wrote the tragic drama‚ Antigone. The play begins with the lead‚ Antigone distraught because the ruler‚ Creon‚ declared that all who fought the war against him and died did not deserve a proper ceremonial burial. Antigone’s brother fought against Creon and died. She decided she would bury her brother because an unburied soul would wearily wander earth forever. Also‚ breaking Creon’s law was not a large wrong
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Dalena Khothsombath *† Group Members: James Deringer‚ Jeff Tanaka‚ and Yang Zhao Group 3 “I pledge that this report‚ the data in it‚ and interpretations are my work‚ except where referenced. I have neither obtained nor given aid on this assignment outside of data discussions with my lab team. “ Signed_________________________________________ Abstract A common road salt‚ magnesium chloride‚ was analyzed in the lab to test its effectiveness as a road salt. The Van’t Hoff factor of the salt and the
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Antigone was Courageous The classic play Antigone written by Sophodes tells us about a crazy adventure of justice‚ mercy and tragedy. It starts with a young girl named Antigone; she experiences great loss when her father and two brothers are killed. Her brother‚ Polynises was a great fighter‚ but was not given a proper burial and his body was left on the battlefield to wrought. Antigone was not happy with this out come. Antigone didn’t want her brother to die like this‚ so she took the risk to
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It was defeat in war which was the main reason for the February revolution. Do you agree with this statement? The February revolution was a big turning point in Russian history; demolishing the Tsarist autocracy and breaking the Romanov dynasty that had ruled Russia for hundreds of years. Due to many factors‚ involved in the war or long standing issues before the war‚ Tsar Nicholas II was forced to abdicate to Grand Duke Michael‚ desperate to keep the rule of Russia in the Romanov family. Grand
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Was slavery a necessary evil in the constitution? In short‚ yes‚ at the time I think it was. Slavery wasn’t how it is now. It wasn’t looked at as a heinous act in that time period. In fact‚ it was as common as say‚ owning a hair dryer. I think that’s a good analogy‚ as harsh as it sounds. Slaves were thought of nothing more than property. How preposterous would it sound if the government told us we were no longer allowed to use hair dryers? As far as I see‚ there were three major reasons that
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Chris entered the room‚ smiled at everyone‚ and with an even conceited voice‚ declaimed‚ “better late than never!” Yes‚ Chris was late again. And yes‚ he made a pathetic excuse again. Filipinos are tagged as late comers. This even necessitated the term “Filipino time.” As a matter of fact‚ nowadays‚ when you say it’s “Filipino Time‚” it means there really is no official time. You can come late and still feel proud that at least‚ you even came. It’s also interesting to note how we Filipinos
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shown in Guy de Maupassant’s Was It a Dream? which questions the goodness of deceased loved ones by revealing their sin and deceptiveness through a contrast of the two themes.. The narrator‚ the protagonist of the story‚ is naïve as he sees his lover as perfect. He stares at a mirror in which his “perfect” lover so often saw herself in‚ yet did not see the flaws which a mirror should obviously point out to provide a clear view on oneself. This naivety is blinding him from the truth of the cynical theme;
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