References: Petrucci‚ Ralph H.‚William S. Harwood‚ and Geoffrey F. Herring (2002). 8th edition. Masterton‚ William L. Cecile N. Hurley‚ and Edward J. Neth (2011). 7th edition. Chemistry: Principles and Reactions. CENGAGE Learning. Equilibrium Constants. http://www.ausetute.com.au/equicons.html Retrieved last: April 24‚ 2012. Appendix K2K1’ = K = (9.77x1012)(37) K = [Cr2O72-] = 3.61x1014
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“Does My Generation Have a Role in America’s Future?” My generation definitely has a role in America’s future. My generation has the future of America in their hands. We are also the best educated generation in history. We play a role in America’s future because we cannot afford to fail for the sake of our country and for the generation’s sake. My generation is America’s future we ultimately will be the future politicians‚ doctors‚ lawyers‚ nurses‚ and presidents in America. The older generation
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The Titration of a Basic Solution of Unknown Molarity with a Standard Hydrochloric Acid Solution Abstract The aim of the experiment was how to determine the molarity of a solution. My hypothesis was if I have to determine the molarity of a NaOH solution‚ then I would have to use a standard solution of HCl solution because I would need to neutralize each other to determine the concentration of the solution of NaOH. The method that I used for this experiment was titration. Titration helped
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Kayla Adkins Forensic Chemistry Exam 2 I have been honest and observed no dishonesty. 1. In specific detail‚ describe a published procedure for the definitive identification of Heroin utilizing gas chromatography-mass spectroscopy (GCMS). Heroin is a white crystalline powder with no odor and a bitter taste. It is a derivative of morphine in that the –OH (hydroxyl group) is replaced by an acetyl group‚ -OCOCH3 and has a molecular formula is C21H23NO5 with a molecular weight of 369.42
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3090 3090▌ SHORT REVIEW Reaction of Diazo Compounds with Organoboron Compounds short review Huan Li‚ Yan Zhang‚ Jianbo Wang* Reaction of Diazo Compounds with Organoboron Compounds Abstract: The transition-metal-free reactions of diazo compounds with organoboron compounds are reviewed. This type of reaction provides an alternative approach for the formation of C–C‚ C–B‚ and C–Si bonds. Moreover‚ by using tosylhydrazones as diazo compound precursors and boronic acids/esters as the
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Name: __________________________________ ( ) Class: 4Q HWA CHONG INSTITUTION PRELIMINARY EXAMINATION 2010 CHEMISTRY 5072 Paper 1 Time: 1 hour INSTRUCTIONS TO CANDIDATES Do not turn the pages over until you are told to do so. Write your name and index number on the answer sheet in the spaces provided. There are forty questions on this paper. Attempt all questions. For each question‚ there are four possible answers labelled A‚ B‚ C and D. Choose the one you consider correct and
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Amoxicillin Amoxicillin is a penicillin antibiotic. It fights bacteria in your body. Amoxicillin is used to treat many different types of infections caused by bacteria‚ such as ear infections‚ bladder infections‚ pneumonia‚ gonorrhea‚ and E. coli or salmonella infection. Amoxicillin is also sometimes used together with another antibiotic called clarithromycin (Biaxin) to treat stomach ulcers caused by Helicobacter pylori infection. This combination is sometimes used with a stomach acid reducer
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CHEMISTRY OF NICOTINE Date Submitted: March 17‚ 2010 Introduction Tobacco has a long history and has had a significant impact since first introduced to Western society in the 16th century. There is evidence that Native Americans were using tobacco long before the 16th century. They smoked through a pipe for special religious and medical purposes but the worldwide spread of tobacco was initiated as a result of European discovery by Spanish‚ Portuguese and French explorers.(1‚2) Christopher
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November 2010 Does My Generation Have a Role in Americas Future? My generation does not have a role in America’s future‚ we are the future. The world is rapidly changing. Technology is outsmarting us. The military is weakening and my generation needs to step up. The government and economy is in our hands. My generation has many duties and jobs to perform. As the next generation we are learning from the past and conquering the future. Every year it seems like companies come out
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acumen towards chemistry and chemical science. The orientation before practical session increases my eagerness about chemistry to the zenith of my learning. At that moment I decided to pursue my career in chemistry and grab every opportunity where I can enhance my learning of the subject and deepen my conceptual knowledge of the subject. The sole reason for this alacrity‚ I would attribute to my undergraduate Professor Dr. S. Vanmali. His approach to teaching subject considering a future application
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