UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS GCE Ordinary Level e ap .c rs om MARK SCHEME for the May/June 2011 question paper for the guidance of teachers 5070 CHEMISTRY 5070/21 Paper 2 (Theory)‚ maximum raw mark 75 This mark scheme is published as an aid to teachers and candidates‚ to indicate the requirements of the examination. It shows the basis on which Examiners were instructed to award marks. It does not indicate the details of the discussions that took place at an Examiners’
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PHYS 211 Physics for Science and Engineering Experiment 1: Projectile Motion Physics Lab Report 3 OBJECTIVE The objective of the experiment is to measure the speed at which a projectile leaves a spring gun and to predict the landing point when the projectile is fired at a nonzero angle of elevation. EQUIPMENT Spring gun Metal ball Protractor Meter stick Ruler Whiteboard markers THEORY Projectile motion is an example of motion with a constant acceleration. In this experiment
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Centre Number Surname Other Names Candidate Signature Candidate Number For Examiner’s Use Examiner’s Initials Question Mark General Certificate of Secondary Education June 2011 1 2 3 4 5 6 Design and Technology: Graphic Products Unit 1 Written Paper Friday 10 June 2011 1.30 pm to 3.30 pm 45501 7 For this paper you must have: a black fine-line pen‚ a pencil‚ a ruler‚ an eraser‚ a pencil sharpener and coloured pencils. TOTAL Time allowed 2 hours Instructions Use black
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Class XII ( Haloalkanes and Haloarenes) (Q.1) Choose the incorrect statement about the benzyl chloride: ( 1 mark ) (a) It is less reactive than alkyl halides. (b) It can be oxidized to benzaldehyde by boiling with copper nitrate solution. (c) It is a lachrymatory liquid and answers beilstein’s test. (d) It gives a white precipitate with alcoholic silver nitrate (Q.2) Dry ether The reaction RX + 2Na + RX _______________? R-R + 2NaXis called. ( 1 mark ) (a) Sandmeyer’ reaction (b) Fittig reaction
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The Complete Maus is a compelling book written by Art Spiegelman. It was typically about a son who had interviewed his father‚ a lone survivor of the Holocaust. Art Spiegelman was the son of Vladek Spiegelman. He wrote this book because he wanted to know what his father’s life was like throughout the Holocaust‚ more about his mother Anna‚ and also‚ he felt very guilty that he was not alive until after the Holocaust had occurred. Throughout the book‚ readers will find images of the characters portrayed
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Case Study 1-1 Starbucks 1) Identify the controllable and uncontrollable elements that Starbucks has encountered in entering global markets. As Starbucks enters the international market will have to deal with the experience the going pains and tensions of entering an unknown territory where the public atmosphere is going to be different. First‚ some of the controllable elements that Starbucks deals with are the 4p’s (Price‚ Place‚ Promotion‚ and Product). Starbucks ultimately has control
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Formulas Chapter: 1 Section: 2 * The empirical formula: the formula that gives the simplest ratio of the number of atoms in the compound. Determination of the empirical formula: 1. Find the mass in grams of each element. 2. Find the number of moles. 3. Find the simplest ratio of moles. Question 1. Mass of elements in g. 2. Number of moles of each element. 3. Simple ratio of elements. Practice problems * A 2.765 g sample of lead oxide was heated in a stream
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t-test- Analyse‚ Nonparametric Tests‚ Legacy Dialogs‚ 2 Independent Samples - In the Two-Independent-Samples Tests Box select processing time as the Test Variable and County as the Grouping Variable - Click on: Define Groups; Edit in the Group 1 box the value 1 and in the value 2 in the Group 2 box; Continue; Select Test Type: tick Mann-Whitney U; and click on OK Output: Notice EXAMPLE: SPSS give a 2-tailed
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Reference Guide & Formula Sheet for Physics #20 Page 1 of 8 Components of a Vector if V = 34 m/sec ∠48° then Vi = 34 m/sec•(cos 48°); and VJ = 34 m/sec•(sin 48°) #4 Weight = m•g g = 9.81m/sec² near the surface of the Earth = 9.795 m/sec² in Fort Worth‚ TX Density = mass / volume #21 Heating a Solid‚ Liquid or Gas Q = m•c•∆T (no phase changes!) Q = the heat added c = specific heat. ∆T = temperature change‚ K Linear Momentum momentum = p = m•v = mass • velocity momentum is conserved
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the Ted talk video by Henry Jenkins he discusses how the younger generations are actively participating online. Jenkins talks about how they use Web 2.0 platforms‚ such as YouTube‚ Facebook and Twitter. How teenagers use these online websites to communicate and interact with each other is also known as participatory culture. Jenkins started looking into participatory culture before the internet. Along with the features of participatory culture‚ one other thing Jenkins highlights is that “young people
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