Individual Student Research Form Name Phillip D’Andrea Fill out a new form for each separate source. Source Topic: Impacts on Acid Rain Group # 6 This source fulfills which of the following criteria for your group (circle one): Current event article peer-reviewed journal article credible website Other source (explain type) ________________________________ APA Source Citation: Cristol‚ H. (2002). New Concern About Acid Rain. Futurist‚ 36(6)‚ 8. Notes from this
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Surname Centre No. Initial(s) Paper Reference 4 3 3 5 Candidate No. 2 H Signature Paper Reference(s) 4335/2H Examiner’s use only London Examinations IGCSE Team Leader’s use only Chemistry Paper 2H Higher Tier Tuesday 6 November 2007 – Morning Time: 2 hours Question Leave Number Blank 1 2 3 4 5 Materials required for examination Nil Items included with question papers Nil 6 7 8 9 Instructions to Candidates In the boxes above‚ write your centre number‚ candidate number‚ your surname
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Name: Tonny‚ Chan Kar Yu‚ Student ID: 10297729 Date of Experiment: 19th March 2005‚ Group: B1 Title: Preparation of 1-bromobutane from 1-butanol by SN2 reaction Objective: 1. To study the preparation of 1-bromobutane from 1-butanol by an SN2 reaction 2. To study the method of purification of an organic compound by simple extraction 3. To study the test of identification of alkyl halide Chemicals and Apparatus: ~18.0 g 1-butanol‚ ~20.0 g sodium bromide‚ 15 ml of concentrated sulfuric acid‚ anhydrous
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Unida Christian Colleges Unida St. Anabu I-F Imus‚ Cavite “Garlic as an Effective Insecticide” An Investigatory Project in Science Submitted by: Marielle Marie L. Camacam Christian D. Panganiban John Zebedee T. Barata Elisha Hope P. Villaruz Chelsy Anne Y. Buenabajo March 2012 Abstract Acknowledgements Table of Contents
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Environmental effects of copper Copper can be released into the environment by both natural sources and human actions. Examples of natural sources are wind-blown dust‚ decaying vegetation‚ forest fires and sea spray. Other examples are mining‚ metal production‚ wood production and phosphate fertilizer production. Because copper is released both naturally and through human activity it is very widespread in the environment. Copper is often found near mines‚ industrial settings‚ landfills and waste
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seek to bend nature’s path Dr. Schuiling‚ a retired geochemist from Netherland‚ has proposed a new solution of global warming by making the use of olivine‚ a green-tinted mineral found in abundance around the world‚ which could absorb the carbon dioxide from the atmosphere when they are exposed to the air. Dr. Schuiling advocates to spread the olivine on fields and beaches and using it for dikes‚ pathways‚ even sandboxes so that humans can utilize it to slow down the rise in global temperature.
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(ii) It forms a small amount of chloride ion in water‚ so gives a positive result for the chloride test. Bromine Br2 (l or aq) A dark red liquid - orange-brown fumes‚ yellow-orange aqueous solution. The other common orange-brown gas is nitrogen dioxide (i) Shake with a liquid alkene. (ii) Mix with silver nitrate solution. (ii) Decolourised. See alkene test. (ii) Cream ppt. of silver bromide as in the test for bromide. (i) Forms a colourless organic dibromo-compound >C=C< + Br2 ==> >CBr-CBr<
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QUESTIONS a) When it is considered that rain is acid? = The pH scale measures how acidic an object is‚ when pH is lower than 7 rain is considered acid. b) Which are the compounds that in contact with water origin acid rain? = Compounds like sulfur sulphuric and nitric acids. c) Which are the principal causes of these compounds? = The extra acidity in rain comes from the reaction of primary air pollutants‚ primarily sulphur oxides and nitrogen oxides‚ with water in the air to form strong
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Eco-Industrial Parks: The Case for Private Planning Industrial ecologists are championing eco-industrial parks or EIPs as tools for pursuing sustainable development. An EIP is a community of companies located in one region that exchange and make use of each other’s by-products or energy. Among the best known is Kalundborg‚ Denmark‚ a city in which the major industries and the local government trade their waste streams and energy resources. Many commentators see Kalundborg as a model that should
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P IntroductionThere has been a spill of concentrated sulphuric acid at the chemical plant where I work at as the Safety Engineer. In this report‚ I will explain what Sulfuric Acid is‚ the health risks and hazards associated with it‚ the safety precautions that should be taken and how the spill should be handled. Sulfuric Acid‚ H2SO4‚ also commonly known as battery acid or vitriol‚ is one of the top products in the chemical industry‚ with 40 million tons produced annually in the U.S. It is a colourless
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