Aim: To determine the rate law of chemical reactions Introduction: The aqueous solution of potassium peroxydisulphate can oxidize potassium iodide as follow: Equation: K S 0 (aq) + 2KI (aq)->2K S0 (aq)+I (aq) 2 2 8 2 4 2 KI(aq) +I (aq) -> KI (aq) 2 3 _________________________________________________ K S 0 (aq) +3KI(aq) -> 2K S0 (aq)+ KI (aq) 2 2 8 2 4 2 The rate law of this reaction can be represented as follow: Rate=k[S208 2-]^a [I-]^b When the concentration of peroxydisulphate ions
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Economics HL- IB Price elasticity and indirect taxes Q. Using at least one diagram‚ explain why knowledge of price elasticity of demand is necessary for a government when they are considering increasing indirect taxes on certain products. (16th May 2011‚ Economics- Paper 2(HL)‚ Time Zone 2) The government needs to understand price elasticity of demand when setting the price of the commodities and services it provides for the community (like public transport price). It also needs to be able
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Chapter 4: Research methodology 74 CHAPTER 4: RESEARCH METHODOLOGY Phenomenology is the science that studies truth. It stands back from our rational involvement with things and marvels at the fact that there is disclosure‚ that things do appear‚ that the world can be understood and that we in our life thinking serve as datives for the manifestation of things Sokolowski (2000‚ p. 185) 4.1. QUALITATIVE VERSUS QUANTITATIVE RESEARCH 4.1.1. Introduction In psychology research‚ few quantitative
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10 Ways to Determine Credibility on the Internet The following are five criteria that users should take into consideration when verifying credible information on the Internet: Accuracy. This refers to the degree to which a website is free from errors‚ whether the information can be verified offline‚ and the reliability of the information on the site (Metzger‚ 2005). The Authority of a website may be evaluated by noting who authored the site and whether contact information is provided for
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Many different methodologies are vital when examining film. Different aspects and methods of cinema analysis provide critics and audiences with various approaches to establishing certain genres or films. This essay will examine the specific methodologies of the action genre‚ a consideration of the art cinema and an auteur study. These styles are recognized in Kathryn Bigelow ’s Point Break (1991) which provides strong examples of these techniques. An action film is commonly recognized by audiences
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Annual taxes are mandatory for everyone to pay. These taxes are very beneficial to our economy because they are relied on to build some of the most important things a society needs to progress. Not only do these taxes help improve our quality of living‚ but they also fund government programs such as public education‚ foster care‚ and welfare. These programs are all designed to help society grow and advance as a whole. Most taxes are paid by middle-income families because the top one percent make
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Titrations used in industry Titrations are used in chemistry to measure the amount of chemicals that are in a solution. It is a simple method to use and it is useful to use in different branches of chemistry. Many industries use the variety of forms of titrations so they can either develop or analyse key chemical compounds because it is resourceful. Titrations are used in companies in many areas of society. Acid Rain Environmental scientists analyse precipitation and how it responds to pollution
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PROJECT ON MANAGEMENT INFORMATION SYSTEMS USED IN LIBRARIES INTRODUCTION Information systems are the software and hardware systems that support data-intensive applications. An information system is a collection of methods‚ practices‚ algorithms and methodologies that transforms data into information and knowledge desired by and useful for the individual and the group users in organizations and other entities. This system can involve
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Introduction to Language Teaching Methodology and Activities Universidade Pedagógica Chimoio 2015 Alex Barbosa Jorge Amizana Maria Amade Salimo Egidio Mário Vasco Faera Joaquim Fernando Marques Mavuque Jossias Guenzi Noreste Jairosse Chinhanga Ofélia Hesioda Sande Tomé Manejo Mero An introduction to Language Teaching Methodology and Activities Universidade Pedagógica Chimoio 2015 Table of Contents 1. Introduction 4 2. Language Teaching Methodology and Activities 5 2.1. Activities
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CFA Institute What Determines Price-Earnings Ratios? Author(s): William Beaver and Dale Morse Source: Financial Analysts Journal‚ Vol. 34‚ No. 4 (Jul. - Aug.‚ 1978)‚ pp. 65-76 Published by: CFA Institute Stable URL: http://www.jstor.org/stable/4478160 Accessed: 12/06/2010 17:20 Your use of the JSTOR archive indicates your acceptance of JSTOR’s Terms and Conditions of Use‚ available at http://www.jstor.org/page/info/about/policies/terms.jsp. JSTOR’s Terms and Conditions of Use provides‚ in part
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