2012. Barium A heavy metal contained in barite. Used as a heavy additive in oil well drilling; in the paper and rubber industries; as a filler or extender in cloth‚ ink and plastics products; in radiography ("barium milkshake"); as a deoxidizer for copper; a sparkplug in alloys; and in making expensive white pigments. Clays Used in floor and wall tile as an absorbent‚ in sanitation‚ mud drilling‚ foundry sand bond‚ iron pelletizing‚ brick‚ light weight aggregate and cement. It is produced in 40 states
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CHEMICAL REACTIONS OF COPPER AND PERCENT YIELD Objective To gain familiarity with basic laboratory procedures‚ some chemistry of a typical transition element‚ and the concept of percent yield. Apparatus and Chemicals |0.5 g piece of no. 16 or no. 18 copper wire |evaporating dish | |250 mL beaker (2) |weighing paper | |concentrated HNO3 (4 – 6 mL)
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aqueous ethanonoic acid CH3COOH aqueous sulphurous acid H2SO3 aqueous carbonic acid H2CO3 aqueous sulphuric acid H2SO4 aquous nitric acid HNO3 aquous hydrochloric acid HCl aqueous potassium hydroxide KOH aqueous sodium hydroxide NAOH copper(II) sulphate solution CuSO4 Electrolysis of Molten Compounds Molten/aqueous ionic
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The Science of the Spud — a History of the Potato Battery Experiment There are hot potatoes‚ french fried potatoes‚ baked potatoes and scalloped potatoes. There are potato chips‚ potato pies and potato soufflés. Last‚ but not least‚ there’s the potato battery. Who on earth invented the electric spud? Why does it work? For that matter‚ why would anyone want to see if a potato could conduct electricity in the first place? Well‚ we may never be able to answer some of the questions this quirky experiment
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Rusting of iron couplingCertification : It has been certified that Akash Sharma having CBSE Roll No. Studying in XII-A (Science)‚ during the academic year 2010-11 has completed a project on the Study of the Affect of Metal Coupling on the Rusting of Iron and has given satisfactory account of this in his project report Shri D.K Gupta External Examiner PGT Chemistry Signature Signature Declaration : I ‚ Akash Sharma of Class XII A (Science)
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Chemical Reactions Lab Synthesis Reactions: Synthesis reactions occur when two elements or compounds combine to create one single compound. The general equation of synthesis reactions is: A+B→AB. The following are the complete balanced equations for the five synthesis reactions performed in the lab. Reaction 1: Reaction 2: Reaction 3: Reaction 4: Reaction 5: The reaction of CO2 and water is a prime example of a synthesis reaction. This is a synthesis reaction because it follows the general
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CHAPTER I Potatoes as Other Point of Supply for Batteries I. Background of the Study For the past few years‚ researcher Rabinowitch and colleagues have been pushing the idea of “potato power” to deliver energy to people cut off from electricity grids. As a resident living in the Philippines wherein most perilous typhoons happen‚ Filipinos experience tough challenges like the cut off of the electricity or most
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Orange and Lemon Battery Experiment Darren Chymbeline Pineda‚ Jade Salentes‚ Karryle Olarte‚ Kathlene Malunao‚ Felix Villarente VII-6 Mahinahon Sta. Elena High School‚ Marikina City Summary All people need energy in various forms such as heat‚ light‚ sound‚ etc. to sustain their everyday lives. Although these various forms of energy are equally needed by people‚ not all of them are always available‚ especially the energy needed to power up their main appliances which is electricity. Due to the inevitability
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Zn. The half-cells are connected by a salt bridge constructed of a strip of filter paper soaked in a solution of KNO3. The zinc half-cell is used as the reference standard and assigned an E of 0 volts‚ and all reduction potentials are measured with respect to the zinc electrode. In Part 2‚ the Nernst equations applied to the voltage measurement of a cell with nonstandard copper ion concentration. A solution of 0.0010 M Cu2 + is prepared‚ and the voltage of the cell: Zn(s)| Zn2+(1.0 M) || Cu2+ (0.0010
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A short while ago from your East China Metallurgical and Geological Exploration Bureau‚ in 2013 the council has made remarkable achievements in geological prospecting ‚ at first proved DangTuXian Baixiangshan peripheral iron ore and copper two Tongling Shu keep massive mineral deposits ‚ completed ahead of schedule Bureau "five " on the discovery of huge mineral deposits endeavor. mobile crusher for quarrying plant DangTuXian Baixiangshan peripheral iron ore project in the census started off in
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