In this experiment‚ we have silver oxide and by using a bunsen burner‚ we will drive off all of the oxygen in the compound. We will do this by heating the silver oxide until the substance’s mass stays constant to know when all of the oxygen possible has been driven out. This process will occur through a series of heating and remassing. Silver oxide has many uses from batteries to military purposes. In a silver-zinc battery‚ silver oxide acts as the cathode and zinc as the anode. This battery is
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Include phases of matter for ALL reactants and products. Circle the chemical formula of the precipitate‚ if any‚ in each reaction. Balance all chemical equations. 1. Write a chemical equation for the reaction that occurs when solid sodium oxide is added to water at room temperature to yield sodium hydroxide . (Check the Solubility Rules to determine the phase of matter of sodium hydroxide.) Na2O (s) + H2O (l) → 2 NaOH (aq) 2. Translate the following chemical
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chemical‚ building materials‚ metallurgical industries Ranking closed circle of milling equipment‚ grinding quartz‚ feldspar‚ calcite‚ talc‚ barite‚ fluorite‚ rare earth‚ marble‚ ceramics‚ bauxite‚ manganese‚ iron ore‚ copper‚ phosphate rock‚ iron oxide red‚ slag and Mo&&’s hardness seven below 6% humidity in the following non-inflammable mineral species. mills industrial production right now in high demand raymond mill‚ buy a suitable Raymond Mill attention to the following points: 1. Raymond
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Stainless steel commonly react with certain substance that probably will produce some defect whether inner or outer surface. This material contains small casting defects‚ mainly shrinkage cavities‚ due to the manufacturing process. Commonly in industries related to piping system‚ stainless steel pipelines and cylinder tubes are equipment or object that frequently used in our removable insulation installation. In most industrial nowadays‚ stainless steel pipes are frequently exposed to high temperatures
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different ways.” Ingredients such as nicotine‚ carbon monoxide‚ and carcinogens can cause cancer‚ lack of oxygen‚ lower amounts of antioxidants and many more. The third source is the effects of cigarette smoke on plants. “Sulfur dioxide and nitrogen oxide‚ as well as the numerous particulates that are in cigarette smoke can cause plants harm and affect their growth patterns. Particulates stick to the stems and leaves of plants‚ making it more difficult to absorb light.” The next source talks about
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UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS International General Certificate of Secondary Education *4308315385* CHEMISTRY Paper 2 Candidates answer on the Question Paper. No Additional Materials are required. READ THESE INSTRUCTIONS FIRST Write your Centre number‚ candidate number and name in the spaces at the top of this page. Write in dark blue or black pen. You may need to use a pencil for any diagrams‚ graphs or rough working. Do not use staples‚ paper clips‚ highlighters‚ glue or correction
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exhale that is why trees called the lungs of our world. As man cannot live without lungs‚ so and world cannot exist without trees. Factories‚ power stations and cars emit tons of smoke into the air. This smoke contains sulphur dioxide and nitrogen oxide. These substances mix with water vapor in the atmosphere and form sulphuric acid and nitric acid. Sunlight turns these acids into poisonous oxidants which fall in rain or snow onto the trees. This smoke damage not only trees‚ it also damage our lives
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Analytical Chemistry Daniel C. Harris: 7-4‚ 8‚10‚12‚16 7-4) A 1.000g sample of unknown analyzed by Reaction 7-2 gave 2.500g of bis(dimethylglyoximate) nickel(II). Find the wt% of Ni in the unknown. 7-8) The man in the vat. Once upon a time‚ a workman at a dye factory fell into a vat containing a hot concentrated mixture of sulfuric and nitric acids‚ and he dissolved! Because nobody witnessed the accident‚ it was necessary to prove that he fell in so that the man’s wife could collect his insurance
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on the ground. Hence‚ in order to do the materials for a wing spar needs to be very strong and highly elastic. For the Boeing 737‚ the spars of the wings are made up of aluminium alloy 7178 which mainly consists of aluminium‚ zinc‚ magnesium‚ chromium & copper composites. In this section‚ we will briefly descript the aluminium 7178 properties‚ its test standard‚ reasons why this material are chosen to make this part of the wing spar and suggestion of new material to substitute the current material
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PROBLEM SOLVING. 1. Calculate how many hydrogen atoms are contained in 2.3g of C2H5OH. [2] 2.3 x 1023 Hydrogen Atoms - 2.3g * 1mol/6.06g * 6.02 1023 / 1mol 2. An oxide of sulfur contains 60% by mass of oxygen. Determine the empirical formula of the compound. [2] 3. Ethylene glycol‚ the substance used in automobile antifreeze‚ is composed of 38.7 g carbon‚ 9.7 g hydrogen‚ and 51.6 g oxygen. a. What is the empirical formula of the compound?
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