Premier Periclase in Drogheda produces Magnesium Oxide which can be used in bricks for use in furnaces Write balanced equations to show how the raw material limestone (CaCO3) is converted to the feedstock Hydroxide (Ca(OH)2) The manufacture of MgO is carried out by a continuous process. Give one advantage and one disadvantage of continuous processes in manufacture.

Premier Periclase in Drogheda produces Magnesium Oxide which can be used in bricks for use in furnaces Write balanced equations to show how the raw material limestone (CaCO3) is converted to the feedstock Hydroxide (Ca(OH)2) The manufacture of MgO is carried out by a continuous process. Give one advantage and one disadvantage of continuous processes in manufacture.

Living By Chemistry: First Edition Textbook

1st Edition

ISBN:9781559539418

Author:Angelica Stacy

Publisher:Angelica Stacy

ChapterU6: Showtime: Reversible Reactions And Chemical Equilibrium

SectionU6.2: How Backward: Reversible Reactions

Problem 7E

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Three reactions very important to the semiconductor industry are The reduction of silicon dioxide to crude silicon, SiO2(s) + 2 C(s) → Si(s) + 2 CO(g) ΔrH° = 689.9 kJ/mol The formation of silicon tetrachloride from crude silicon, Si(s) + 2 Cl2(g) → SiCl4(g) ΔrH° = −657.01 kJ/mol The reduction of silicon tetrachloride to pure silicon with magnesium, SiCl4(g) + 2 Mg(s) → 2 MgCl2(s) + Si(s) ΔrH° = −625.6 kJ/mol Calculate the overall enthalpy change when 1.00 mol sand, SiO2, changes into very pure silicon by this series of reactions.
The amount of sodium hypochlorite in a bleach solution can be determined by using a given volume of bleach to oxidize excess iodide ion to iodine; ClO- is reduced to Cl-. The amount of iodine produced by the redox reaction is determined by titration with sodium thiosulfate, Na2S2O3; I2 is reduced to I-. The sodium thiosulfate is oxidized to sodium tetrathionate, Na2S4O6. In this analysis, potassium iodide was added in excess to 5.00 mL of bleach (d=1.00g/cm3) . If 25.00 mL of 0.0700 M Na2S2O3 was required to reduce all the iodine produced by the bleach back to iodide, what is the mass percent of NaClO in the bleach?
One of the few industrial-scale processes that produce organic compounds electrochemically is used by the Monsanto Company to produce1,4-dicyanobutane. The reduction reaction is 2CH2CHCH+2H++2eNC(CH2)4CN The NC(CH2)4CN is then chemically reduced using hydrogen gas to H2N(CH2)6NH2, which is used in the production of nylon. What current must be used to produce 150.kg NC(CH2)4CN per hour?
Tungsten is usually produced by the reduction of WO3 with hydrogen: WO3(s)+3H2(g)W(s)+3H2O(g) Consider the following data: WO3(s) H2O(g) Hf(kJ/mol) 839.9 241.8 Gf(kJ/mol) 7631 228.6 a It K 1 or 1 at 25C? Explain your answer. b What is the value of S at 25C? c What is the temperature at which G equals zero for this reaction at 1 atm pressure? d What is the driving force of this reaction?
The space shuttle Orbiter utilizes the oxidation of methylhydrazine by dinitrogen tetroxide for propulsion: 4N2H3CH3(l)+5N2O4(l)12H2O(g)+9N2(g)+4CO2(g) Calculate H for this reaction
One day in lab, while taking apart a complicated distillation apparatus, your friend Maya (an expert chemist) says this: "Metal sulfides roasted with oxygen produce the corresponding oxide and sulfur dioxide gas." Using Maya's statement, and what you already know about chemistry, predict the products of the following reaction. Be sure your chemical equation is balanced! ZnS(s) +O2(g) ->
Pp
The production of high-grade iron from hematite and magnetite using a blast furnace involves several reactions as described above. Write the balance step for each reaction. a. Reaction of carbon monoxide with hematite to produce iron (II, III) oxide and carbon dioxide. b. Reaction of carbon of monoxide with magnetite to produce ferrous oxide and carbon dioxide.
You were assigned a task to perform an audit on a chemical laboratory in which refined coal powder is burnt each day to transform limestone (CaCO3) into calcium oxide. a) Identify five health and safety risks the laboratory workers may face in the laboratory that you have audited. Suggest five relevant PPEs required to reduce and mitigate the five risks you have identified.
Write and balance redox reaction. a. Hydrogen peroxide, H₂O2, can be used as a dechlorinating agent for free chlorine (as HOCI). H₂O2 is converted to O₂ while the free chlorine is converted to CI. Write a balanced reaction for the reduction of HOCI with H₂O2. b. Write a balanced chemical reaction for oxidation of phenol (C6H5OH) to HOCH₂COOH with ozone.
A dimensional analysis setup to determine the mass of Fe that can be fully oxidized by 8.93 grams of O2 is shown. Explain what is incorrect in this setup and how to fix the setup to make it correct. 4Fe + 30, → 2Fe,03 1 mole O2 3 mole O, 55.847gFe 8.93go, x 31.998gO, 1 mole Fe gFe 4 mole Fe ----
Provide the chemical equations given the following conditions.Calculate the weights of Fe2O3 and Fe3O4.

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