Demonstration of the Rates of Reaction Between Sulphuric Acid (25mL ±0.5mL) and Magnesium (0.02g ±0.01g) Changing Due to Different Surface Areas By Chania Baldwin Introduction: When sulphuric acid and magnesium are added together‚ magnesium sulphate and hydrogen gas is created. To create such a reaction the atoms must collide with a sufficient amount of energy. Every reaction requires a different amount of energy to create the reaction‚ which is called the activation energy; when there is not enough
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5.05 – Rate and Collision Theory Materials: -Water -Alka-Seltzer tablets -Thermometer -2 Small glass cups -Phone (to use as a timer) -2 big class cups Procedure: 1. Using the glass‚ fill it with water that is 25 degrees Celsius‚ use the thermometer to make sure the temperature is correct. 2. Have my phone ready to time how long it takes for the tablet of alka-seltzer to dissolve in the water. 3. Then‚ getting another cup‚ we have room temperature water. Then‚ we drop another alka-seltzer
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EXCHANGE RATES The exchange rate is the price of one country’s currency in terms of another country’s currency Quoted exchange rates can be either direct or indirect‚ Direct: home currency per unit of foreign currency 39 Rupees per US Dollars 80 Rupees per Pound Indirect: foreign currency per unit of home currency 0.0255102 US Dollar per Indian Rupee 0.491594 Pound per Indian Rupee Appreciation of Currency Currency Appreciation means that the given currency
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Natural rate of unemployment The natural rate of unemployment (sometimes called the structural unemployment rate) is a concept of economic activity developed in particular by Milton Friedman and Edmund Phelps in the 1960s‚ both recipients of the Nobel prize in economics. In both cases‚ the development of the concept is cited as a main motivation behind the prize.[1][2] It represents the hypothetical unemployment rate consistent with aggregate production being at the "long-run" level. This level
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1.1 Explain the sequence and rate of each aspect of development that would normally be expected in children and young people from birth – 19 years. Physical 0 -3 When a baby is born they are unable to hold their own head up however they will tilt their head towards light or noise within their first months. When spoken to they will react by looking at or watching you. As they develop they will be able to support their own head and wave their arms around and bring them together‚ the same with
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turnover among employees in the hospitality industry can be many. Some of them are low wages‚ casual employment‚ part-time employment‚ no job security et cetera. The papers discusses high turnover issues in the hospitality industry‚ the reasons behind the high turnover‚ the efforts of the human resource departments in the hospitality industry to cut attrition and the possible new moves and plans to have sustained rate of employees’ retention. The paper also discusses the high turnover in the hospitality
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Standardised Testing Name: Institution: Abstract This paper explores two published books that touched on pros and cons of standardized testing in schools. Popham‚ (2001) and Sacks‚ (1999) suggest that through pros a student will have to pass certain tests to determine that he or she has acquired proficiency in various fields of study. According to the two authors‚ in cons the students who have mastery of the content‚ don’t show in the test; it mostly promotes teachers to teach tests and evaluate
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Analysis of High Turnover Rate Introduction High turnover rate of minorities and female employees has become a serious issue in the United States. Even though many ethnic races form this country‚ male Anglo-Saxons dominate the majority of the workforce. It is not uncommon for minority and female employees to leave their company after only working for a few years. Why has this behavior become a trend? In order to stop this trend‚ companies must ask themselves several questions. For example‚ what
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Nations‚ drug trafficking refers to illegal drugs sold and distributed. This happens in the United States as well as in other countries; the main concern with transnational drug trafficking for the United States is illegal drugs being transported. In from other countries the states the sales of them also draws large amounts of money into other countries. Because illegal drugs such as marijuana‚ and cocaine‚ are in demand in the United States‚ trafficking in drugs is a very common and lucrative transnational
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LECTURE OUTLINE – DRAFT 2 [pp. 3-4 are new] NB MIDTERM EXAM SUNDAY‚ OCTOBER 20‚ 2013 CONCLUDE LECTURE 4 THE SHARPE SINGLE INDEX MODEL SHARPE MODEL’S APPLICATION TO PORTFOLIO MANAGEMENT THE MODEL’S ASSUMPTIONS [ARE THEY REALISTIC?] ESTIMATING THE MODEL PARAMETERS RELIABILITY OF THE ESTIMATES IMPROVING THE MODEL SHARPE VERSUS NAÏVE DIVERSIFICATION [BODIE Appendix 6A +] REFERENCE: BODIE 6th ed.‚ CHAPTER 9‚ SECTIONS 9.1-9.5 AN APPLICATION OF THE SHARPE SINGLE INDEX MODEL A Disciplined
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