Synopsis: The main aim of the experiment is to find out the amount of calcium carbonate in toothpaste through back titration since calcium carbonate does not dissolve in water. A roughly weighed amount of calcium carbonate is mixed with hydrochloric acid and then titrated against sodium hydroxide. When the indicator turns from pink to orange‚ the volume of sodium hydroxide used is taken down. After doing some calculations‚ the average percentage of calcium carbonate in toothpaste is 19.2%. This average
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Input control There are different actions needed before the execution of the marketing plan. Financially‚ more funds are needed for advertising MIXY to increase awareness‚ new product development‚ and better colors for the packaging. MIXY is not advertised and it needs to be in a larger product line to compete better. Also‚ as the packaging is made by the same supplier as CL‚ it should differ to be easily recognized. More expenditure is also needed for the R&D as the company is strong in
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Angela Campoli ENG 4U1 Ms. Simon Father Leo J. Austin CSS Nov. 19‚ 2014 The Loss of Humanity in 1984 Every human being holds an intrinsic set of natural behaviours which ultimately affect how they perceive their surroundings. For the majority‚ these behaviours come naturally so they have no control over them‚ unless they are negatively influenced to do otherwise. In George Orwell’s dystopic novel 1984‚ the citizens of Oceania are unfortunately controlled by the Party in every way possible. The
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Tarnas 1 Kulananalu Tarnas Professor Kirk Organic Chemistry Lab 8 March 2014 Project 4: Interconversion of 4-tert-butylcyclohexanol and 4-tert-butylcyclohexanone Intro: It is truly incredible how the smallest differences between molecules can lead them to react and behave entirely differently. These differences are perhaps most highlighted in the medical field where stereochemistry of a molecule can be the difference between having a medically active‚ effective drug and a toxic‚ potentially
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1. Trade and specialization (Chapter 3) a) Country A Resources devoted to clothing Output of clothing Resources devoted to food Output of food 100% 28 0% 0 80% 25 20% 4 60% 17 40% 11 40% 12 60% 15 20% 7 80% 18 0% 0 100% 21 i. Production Possibility Frontier of Country A ii. When the production of food is increasing‚ the opportunity of food in terms of clothing is negative; this is because the opportunity cost of clothing is larger than the opportunity of cost of food.
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Introduction: The purpose of the first experiment was to practice obtaining accurate and precise results by doing combustion analysis to find the amount of carbon dioxide and water released and the amount of fuel consumed. To identify the amount of carbon dioxide‚ water and burner consumed there were three equations used to find it. Equation 1 shows how much carbon dioxide was released. Mass of carbon dioxide = m2 - m1 Equation 1 was used as an experimental procedure created to help find out
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Investigation on the effects of Temperature‚ pH levels‚ and Enzyme Concentration on the reaction rate of the Decomposition of Hydrogen Peroxide by Catalase The purpose of this investigation is to figure out how temperature‚ pH‚ and enzyme concentration affect the reaction rate of an enzyme. It’s important to understand how certain factors affect enzymes because of their crucial role in the metabolic processes of life. Enzymes lower the activation energy necessary for a chemical reaction to
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2014 CenterSports’ Proposition of Economic Benefits in Bringing National Hockey League Expansion Team to Kansas City 2014 CenterSports’ Proposition of Economic Benefits in Bringing National Hockey League Expansion Team to Kansas City Prepared for: Lisa Wallentine National Hockey League Commissioner 2030 E College Way Olathe‚ KS 67133 Prepared by: Kalyn Pfaff Economic Specialist‚ CenterSports Consulting Firm 11863 W 112th St Suite 200 Overland Park‚ KS 66210
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Binita Guchait Saha Prof. Isaac Eng 14 25 November 2012 Many writers share their experiences about literacy and language. The writer Helen Keller wrote The Day Language Came into My Life‚ an essay where she tells the reader her experience with how she learned how to speak‚ read and write even though she is blind and deaf. Amy Tan wrote Mother Tongue‚ an essay where she talks about the trouble of speaking English as an immigrant in a new country. Frederick Douglass wrote Learning to Read
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America’s False Dream Our Country‚ founded upon an idea known as the American Dream‚ founders knew that this concept would always be survive and never lose value. Basically the definition states that all Americans have rights to freedom‚ equality‚ providing for a family and becoming as successful as imaginable. Throughout the years the dream became distorted. In fact the concept went through a transformation into a concept of earning wealth‚ fame‚ and powerful. The Perception of the American Dream
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