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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Evolution of Formal Organizations Paper May 27‚ 2012 SOC/120 University of Phoenix The past two centuries have witnessed rapid change unequaled in human history. Technology is the driving force‚ altering all facets of life including governments‚ families‚ her members and the conditions under which those altering all facets of life including governments‚ families‚ communities and even the eco system within which we
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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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Evolution of Formal Organizations Paper Ashley Porterfield July 17‚ 2009 For many centuries now formal organizations have operated in the same ways. Progress in time and new workers start to takeover‚ a lot of formal organizations change to be more flexible in the work environment. Many organizations such as the one Micah works for are more than likely to change. Advancement of today’s technology‚ formal organizations are increasing the new way to be more efficient and get the job done.
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Formal System Development Methodologies Carissa Robinson Grayson June 6‚ 2010 Formal systems development methodologies‚ also sometimes referred to as Formal Methods‚ are used to model systems using mathematics. By using mathematics to model a complex system‚ properties of the system can be verified without empirical testing. (Collins) Formal systems development methodologies are different from other design systems through formal verification‚ the principles are proven correct before they
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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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