Maryssa Buffano Miss Arnold Science – Current Astronomer Essay 4/12/2011 JMJ Dr. Debra Fischer – Astronomer An astronomer is an astrophysicist who studies stars‚ planets and galaxies. Astronomers use the laws of physics to investigate the matter and energy of celestial bodies. They then apply the research findings to solve space navigation and communication problems and even discover new planets and stars. In 1512‚ Copernicus theorized that the planets orbit the sun and the race
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VIA Survey of Character Strengths | Here are your scores on the VIA Survey of Character Strengths. For how to interpret and use your scores‚ see the book Authentic Happiness. The ranking of the strengths reflects your overall ratings of yourself on the 24 strengths in the survey‚ how much of each strength you possess. Your top five‚ especially those marked as Signature Strengths‚ are the ones to pay attention to and find ways to use more often.English Test Results #1 - September 13 2012 |
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MOBILE COMMUNICATION VIA STRATOSPHERE -A REVOLUTION IN THE WIRELESS COMMUNICATIONS g. Krishna teja‚ r. karthik‚ teja.hummer@gmail.com VEC‚ kavali. ABSTRACT: “ANTENNAS MAKE THE RELATIONSHIP AMONG THE PEOPLE THROUGH COMMUNICATION BUT BREAK THE INDIVIDUAL’S RELATIONSHIP WITH THE WORLD THROUGH RADIATION” Today we are in danger due to health hazards caused by mobile radiation. Recent surveys and experts confirmed
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Figure 1: Formation of benzocaine from p-aminobenzoic acid Experimental P-aminobenzoic acid (1.211g) and absolute ethanol (15mls) were combined with three boiling chips in a 50ml round bottom flask. The round bottom flask was placed on a heating plate and was refluxed starting at 109 ̊C. The solution began boiling at 111 ̊C. It was allowed to reflux for approximately 30 minutes and the solid was dissolved. The round bottom flask was then placed in an ice bath and allowed to cool to
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Formal Report no. 1 Synthesis of Aspirin Chemical Principles Aspirin is most widely sold over-the-counter drug. It has the ability to reduce fever (an antipyretic)‚ to reduce pain (an analgesic)‚ and to reduce swelling‚ soreness‚ and redness (an anti-inflammatory agent). Much of this is believed to be due to decreased production of prostaglandins and thromboxanes. Aspirin’s ability to suppress the production of prostaglandins and thromboxanes is due to its irreversible inactivation of the cyclooxygenase (COX)
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I. INTRODUCTION Synthesis Acetylsalicylic acid is an acetyl derivative of salicylic acid which appears as a white and crystalline and a weakly acidic substance with a melting point of 135°C and is also known to be aspirin. It is one of the most widely used drugs that can lower fever and is used as a painkiller. According to (Escobel‚ 2011)‚ Aspirin is synthesized through the reaction of salicylic acid with acetyl anhydride that causes a chemical reaction that turns salicylic acid’s hydroxyl group
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Bankruptcy: Its Prediction and Accounting Indicators One major assumption in accounting is the Going Concern. It states that an accounting entity is viewed as continuing in operation indefinitely‚ thus‚ financial statements are normally prepared in the assumption that the entity will continue its operations for the forseeable future. But then it is inevitable that one shall come to an end. So if there is evidence that the entity’s operations are to be terminated‚ the going concern assumption
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Experiment #5: Esterification of Methyl Benzoate from Benzoic Acid October 28‚ 2010 Abstract: This experiment was conducted to synthesize methyl benzoate from benzoic acid and methanol by using the Fischer esterification method. Methanol (12.5ml) and Benzoic acid (4.9 grams) are heated together in the presence of concentrated sulfuric acid (1.5ml) until equilibrium is achieved. A reflux apparatus is set up for 1 hour to carry out the reaction at the boiling point of the solvent (Methanol
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II. Synthesis This activity helps me to understand myself better by knowing what people think of me. It aims to foster self-awareness and self-improvement. I found out that my family thinks that I am a responsible person in terms of sense of responsibility. But my brother thinks I’m immature. In terms of duties at home‚ my mother and father understand that I don’t perform my duties because I’m busy with my studies. My sister thinks it too but she justified that I perform when I’m not busy. When
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Objective: The purpose of this experiment was to prepare the Grignard reagent methylmagnesium iodide and react it with benzoin to form the 3o alcohol 1‚2-diphenyl-1‚2-propanediol‚ through an addition reaction pathway. Introduction: Grignard reagents are alkyl or aryl-magnesium halides that act as the nucleophile in Grignard reactions‚ where ketones are reacted with the reagent‚ then treated with acid to produce an alcohol. In the case of this experiment‚ methylmagnesium iodide was created
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