plans for all-around economic development. In the undivided Bombay province a proposal was put forth by the government to build dams across the rivers Lokmata and Sadmata in the northern part of Gujarat. The dams were to have a capacity of 4700 million cu. ft. of water and facilitate irrigation of 92000 acres of land in 3 districts. The control levels of dams were as mentioned in exhibit 1.However construction of the dams would result in submerging of 10500 acres of land belonging to some 20 villages
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allowing any gas to escape. After about 1 minute has elapsed‚ start a match and quickly open the test tubes‚ placing the match between the two. Dispose of the Zn and HCl solution into the waste beaker. In a clean test tube‚ add 1mL of AgNO3. Add 4 Cu(II) pieces (bronze balls) into the silver nitrate solution. Dispose
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UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General Certificate of Education Advanced Level *0281936391* CHEMISTRY Paper 5 Planning‚ Analysis and Evaluation Candidates answer on the Question Paper. No Additional Materials are required. READ THESE INSTRUCTIONS FIRST Write your Centre number‚ candidate number and name on all the work you hand in. Write in dark blue or black pen. You may use a soft pencil for any diagrams‚ graphs or rough working. Do not use staples‚ paper clips‚ highlighters
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References ^ a b John C. Gallop (1990). SQUIDS‚ the Josephson Effects and Superconducting Electronics. CRC Press. pp. 3‚ 20. ISBN 0-7503-0051-5. ^ a b J. G. Bednorz and K. A. Müller (1986). "Possible high Tc superconductivity in the Ba−La−Cu−O system". Z. Physik‚ B 64 (1): 189–193. Bibcode:1986ZPhyB..64..189B. doi:10.1007/BF01303701. ^ Adam Mann (2011 Jul 20). "High-temperature superconductivity at 25: Still in suspense". Nature 475 (7356): 280–2. doi:10.1038/475280a. PMID 21776057. ^ Pines
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Thermochemistry Heat of precipitation - precipitate is unsoluble salt - precipitate must be prepared through double bond decomposition or precipitation method Do you still remember what is meant by double bond decomposition? [please refer to salts notes] General equation double bond decomposition/precipitation; Ionic equation for precipitation reaction. Salt Solubility in water Li+‚ Na+‚ K+‚ NH4+ All salt dissolve in water Nitrate‚ NO3- All nitrate salt
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excess CuSO4 (aq)‚ according to the following balanced equation: Fe(s) + CuSO4 (aq) -> FeSO4 + Cu(S). When the Fe(s) was completely consumed‚ the precipitated Cu had a mass of 3.2 grams. Did the student’s result on this experiment verify the mole ratio of Fe(s) to Cu as predicted by the equation? Answer: yes‚ because the experiment result was 2:1 Calculate the mole ratio of Fe to Cu and explain Ase
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carbonate/bicarbonate mixtures produced a precipitate‚ the exception was when NaHCO3 was combined with Co(NO3)2 or cobalt nitrate. Furthermore‚ most copper and iron nitrates‚ even with differing sodium compounds produced a precipitate. Exceptions were Cu(NO3)2 with sodium sulfate and sodium chloride. It was also noticed that nickel‚ barium‚ and iron nitrates (excluding those with few with no reaction) across the board had the same color precipitates no matter the sodium compound that it was mixed with
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PAC-II COMPLEXOMETRIC TITRATION Course Contents: C OMPLEXOMETRIC TITRATION T ITRATION Complexation‚ Chelation. Werner’s co-ordination number‚ Titrants Stability of complexes‚ titration curves. Types of complexometric titrations. Methods of detecting end point‚ Standardization. Application of complexometric titrations. COMPLEXOMETRIC TITRATIONS COMPLEXOMETRIC TITRATIONS What is Complexometric Titration (CT)???? What What is a complex metal ion? A complex
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simply failed at throughly understanding how much the University of Colorado Boulder meant to me. That might sound corny‚ but when you grew up coming to every sporting event your dad could take you to‚ you fall in love with CU pretty easily. I had always said I would go to CU‚ that was the dream. As time passed‚ and senior year rolled around I felt the need for change. I wanted to be different from the rest of my family‚ and forge my own unique path in life. August came‚ I packed up my possessions
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return safety equipment. Observations: Refer to the back of pre-lab Discussion: 1. Formula for Zinc’s reaction: Zn + CuSO4 ZnSO4 + Cu Formula for Tin’s reaction: Sn + CuSO4 SnSO4 + Cu Formula for Magnesium’s reaction: Mg + CuSO4 MgSO4 + Cu Formula for Iron’s reaction: Fe + CuSO4 FeSO4 + Cu 2. For Zinc‚ during the chemical reaction it was decaying and turning into a different colour. My observations concluded to having the metal to completely
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