Chemistry 12 Unit 1 - Reaction Kinetics Chemistry 12 Worksheet 1-3 - Reaction Mechanisms 1. It is known that compounds called chlorofluorocarbons (C.F.C.s) (eg. CFCl3) will break up in the presence of ultraviolet radiation‚ such as found in the upper atmosphere‚ forming single chlorine atoms: CFCl3 CFCl2 + Cl The Cl atoms then react with Ozone (O3) as outlined in the following mechanism. Step 1: Step 2: Cl + O3 ClO + O2 ClO + O Cl + O2 (single "O" atoms occur naturally in the atmosphere
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1.2 Exercise 2 - solutions Using molarities and concentrations 1. Calculate the number of moles of H2SO4 in 50 cm3 of a 0.50 moldm-3 solution. 2. Calculate the number of moles of FeSO4 in 25 cm3 of a 0.2 moldm-3 solution. 3. Calculate the mass of KMnO4 in 25 cm3 of a 0.02 moldm-3 solution. 4. Calculate the mass of Pb(NO3)2 in 30 cm3 of a 0.1 moldm-3 solution. 5. What is the molarity of 1.06g of H2SO4 in 250 cm3 of solution? 6. What is the molarity of 15.0 g of CuSO4.5H2O in 250 cm3 of solution
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Quantitative Methods for Economics Tutorial 12 Katherine Eyal TUTORIAL 12 25 October 2010 ECO3021S Part A: Problems 1. State with brief reason whether the following statements are true‚ false or uncertain: (a) In the presence of heteroskedasticity OLS estimators are biased as well as inefficient. (b) If heteroskedasticity is present‚ the conventional t and F tests are invalid. (c) If a regression model is mis-specified (e.g.‚ an important variable is omitted)‚ the OLS residuals will show a distinct
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too stood at the pristine level of 80.05% as on 31st March 2012. Net NPAs to Net Advances stood at 0.54% this year against 0.35% last year. Gross NPA ratio of the Indian banking industry worsened by 59 basis points (bps) between end-Mar‚ 2011 to end-Dec‚ 2011 due to continued economic stresses and capital to risk-weighted asset ratio (CRAR) of Banking industry deteriorated by 91 bps during the said period. These factors appear to have negatively impacted the Banking sector’s capacity to extend credit
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overhead rate at the beginning of the year: Computer-hours 82‚000 Fixed manufacturing overhead cost $1‚278‚000 Variable manufacturing overhead per computer-hour $3.40 During the year‚ a severe economic recession resulted in cutting back production and a buildup of inventory in the company’s warehouse. The company’s cost records revealed the following actual cost and operating data for the year: Computer-hours 60‚000 Manufacturing overhead cost $1‚208‚000 Inventories at year-end:
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Chemistry 12 Unit 2 Notes - Equilibrium Chemistry 12 Tutorial 5 – The Equilibrium Constant (Keq) What is Keq ? The "K" in Keq stands for "Constant". The "eq" means that the reaction is at equilibrium. Very roughly‚ Keq tells you the ratio of Products/Reactants for a given reaction at equilibrium at a certain temperature. [Products] [Reactants] K eq = It’s not quite this simple when we deal with real substances. Let’s take an example. It has been found for the reaction: 2HI(g )
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ECONOMICS MANAGEMENT ACCOUNTING (1202) HANDBOOK OF EXERCISES 2014 / 2015 Page 1 / 69 NOVA SCHOOL OF BUSINESS AND ECONOMICS MANAGEMENT ACCOUNTING (1202) HANDBOOK OF EXERCISES 2014-20151 I - Introduction to Management Accounting Exercise 1 Exercise 2 Exercise 3 Exercise 4 Exercise 5 Exercise 6 - The MA Company - The Alimentar Company - The Alfa Company - The Metalex Company - The Reparadora Company - The DoceAroma Company II - Inventory Valuation and Profit Measurement Exercise 7 - The Beta Company
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Problem One Cost Concepts and Cost Flow (8 points) The following information is from MM wooden bed Co. for September: Wood used in production Carpenters salary Factory supervisors salary Factory security guard and janitor salary Sales persons salary CEO and CFO salary Advertisement expense Depreciation of factory equipment Factory utilities Oil and lubricants for factory equipment‚ and other miscellaneous materials used in production Wood inventory‚ Sept. 1 Work-in-process inventory
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No. of Printed Pages : 7 ESO - 02/12 I BACHELOR’S DEGREE PROGRAMME Term-End Examination June‚ 2012 ELECTIVE COURSE : SOCIOLOGY ES0-02/12 : SOCIETY IN INDIA Time : 3 hours Maximum Marks : 100 19551 Note : The question paper has three sections. Attempt the questions as instructed in each section. SECTION - I Answer any two of the following questipns in about 500 words each. 1. Discuss the forms of racial and linguistic diversities in India. 20 20 2. Describe the nature cif rural
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messenger service. Yet as time goes on‚ one may see him as a sour and unhappy man. He wants to base the case solely on the evidence presented at the trial. Throughout the meeting in the jury room‚ Juror 3 disregards all other evidence brought up by Juror 8 and the others. He says that the evidence revealed may
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