Experiment 4 Synthesis of Salicylic Acid Introduction Throughout history‚ botanical extracts have been used as medicines. Approximately 30% of all medicines have a plant origin. This number increases to 60% if you consider medicines that at one time were derived from plants‚ but have been synthesized in the laboratory. Salicylic acid is a white crystalline compound that can be isolated from the bark of birch trees. Since it is a valuable substance that can be isolated from nature‚ it is called
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9/13/12 Mrs. Braha Period 1 Personal Essay Pushing yourself and always striving for achievement is not an easy thing to accomplish. Never taking the simple route in life and always working hard to become the strongest person possible takes a lot of hard work and devotion. In my life‚ hard work and perseverance have been the only paths to success. This is why people that know me well would describe me as a dedicated human being. I work diligently in school to maintain high
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Presidential elections have been going on in our county for hundreds of years. Most of them took place before television even existed. Television was invented witch color in the early 1960’s and that is when the first televised presidential debate took place (document D). Presidential debates‚ from the start have always been a pretty big hit on the television but ever since 1988‚ the debates ratings have been below 40. I think that this is because more interesting television programs have come
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The dust in our homes and the air we breathe harbor a complex stew of chemicals. Some‚ like oxygen‚ sustain life. Others are pollution stemming from things like car exhaust or from tiny scraps of household products. A pair of new studies adds a level of much-needed detail about exactly how widespread such toxic exposures can be. A new analysis‚ published Wednesday in Environmental Science & Technology‚ reaffirmed that consumer product chemicals including phthalates‚ phenols and flame retardants are
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Introduction In this lab‚ caproic acid was synthesized in a multi-step process that involved the synthesis of three intermediates – diethyl n-butylmalonate‚ potassium n-butylmalonate‚ and n-butyl malonic acid respectively. An IR was used to characterize the starting material‚ n-bromobutane‚ and the first intermediate‚ diethyl n-butylmalonate; while IR and NMR were used to characterize the final product‚ caproic acid. Reactions‚ Mechanism and Theory Caproic acid a.k.a n-hexanoic acid is a carboxylic
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plot and begin reading between the lines we find underlying meanings and themes that ultimately build the premise of the story. All of Shakespeare’s writing invites the audience to indulge themselves in the themes present in his plays. The abridged version of Shakespeare’s Romeo and Juliet strips that away to make room for the main plot and subsequently shorten the story. The removal of key lines lead to the underdevelopment of character‚ theme and it overall takes away from the beauty of the original
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Cracking Passwords Version 1.1 file:///D:/password10.html Cracking Passwords Version 1.1 by: J. Dravet February 15‚ 2010 Abstract This document is for people who want to learn to the how and why of password cracking. There is a lot of information being presented and you should READ IT ALL BEFORE you attempted doing anything documented here. I do my best to provide step by step instructions along with the reasons for doing it this way. Other times I will point to a particular website where
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Analysis of the Non-Correspondence between Central Luzon State University Business Administration sophomore students’ major field of study and their freshmen preferred accounting course Title Page Approval Sheet Biographical Sketch Acknowledgement Table of Contents List of Figures List of Tables List of Appendices I. The Problem and its Background Introduction Statement of the Problem Objectives of the Study Significance of the Study Scope and Limitation Definition of Terms Conceptual
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Results: Limiting Reactant: Eq 1 Limiting reactant = Benzoin Theoretical yield of Benzil: Eq 2 Theoretical Yield Benzil | 0.296 g | Mass of Crude Benzil | 0.188 g | Mass of Final Benzil | 0.127 g | % Yield | 43% | % Recovery | 66% | Table 1: Mass of crude/final Benzil‚ % yield‚ and % recovery Percent Yield: % Yield = (Final product/Theoretical product) x 100 Eq 3 = (0.127 g/0.296 g) x 100 = 43% yield Percent Recovery
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AP English Language and Composition Reading Time: 15 minutes Suggested Writing Time: 40 minutes Television has kept the world entertained for decades. Although this holds true‚ some believe the children watching are susceptible to inappropriate programs on television. Although there are guidelines to follow for television programming‚ these guidelines are sometimes ignored. Carefully read the following six sources‚ including the introductory information for each source. Then synthesize
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