Chemistry (OER)
19th Edition
ISBN: 9781947172623
Author: OpenStax
Publisher: OpenStax College
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Textbook Question
Chapter 19, Problem 12E
How many cubic feet of air at a pressure of 760 torr and 0 °C is required per ton of Fe2O3 to convert that Fe2O3 into iron in a blast furnace? For this exercise, assume air is 19% oxygen by volume.
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How many cubic feet of air at a pressure of 760 torr and 0 °C is required per ton of Fe2O3 to convert that Fe2O3 into iron in a blast furnace? For this exercise, assume air is 19% oxygen by volume.
A slag sample is known to contain all of its iron in the forms of FeO and Fe2O3. A sample of 1,000 g of the slag was dissolved in hydrochloric acid according to the usual method, then reduced with stannous chloride and finally titrated with a 0.02237 M solution of potassium permanganate, of which 28.59 mL were used. A second aliquot of the slag sample, weighing 1,500, was dissolved in a nitrogen atmosphere to further adjust the oxidation state of the iron, it was immediately titrated with the same potassium permanganate solution. If this second experiment required 15.60 mL of permanganate solution, calculate:
a) The percentage of total iron in the slag.
b) The percentages of the oxide FeO and Fe2O3
A blast furnace uses Fe₂O₃ to produce 8400. t of Fe per day.(a) What mass of CO₂ is produced each day?(b) Compare this amount of CO₂ with that produced by 1.0 million automobiles, each burning 5.0 gal of gasoline a day.Assume that gasoline has the formula C₈H₁₈ and a density of0.74 g/mL, and that it burns completely.
Chapter 19 Solutions
Chemistry (OER)
Ch. 19 - Write the electron configurations far each of the...Ch. 19 - Write the electron con?gurations for each of the...Ch. 19 - Write the electron configurations for each of the...Ch. 19 - Why are the lanthanoid elements not found in...Ch. 19 - Which of the following elements is most likely to...Ch. 19 - Which of the following is the strongest oxidizing...Ch. 19 - Which of the following elements is most likely to...Ch. 19 - The following reactions all occur in a blast...Ch. 19 - Why is the formation of slag useful during the...Ch. 19 - Would you expect an aqueous manganese (VII) oxide...
Ch. 19 - Iron (II) can be oxidized to iron (III) by...Ch. 19 - How many cubic feet of air at a pressure of 760...Ch. 19 - Find the potentials of the following...Ch. 19 - A 2.5624-g sample of a pure solid alkali metal...Ch. 19 - The standard reduction potential for the reaction...Ch. 19 - Predict the products of each of the following...Ch. 19 - Predict the products of each of the following...Ch. 19 - Describe the electrolytic process for refining...Ch. 19 - Predict the products of the following reactions...Ch. 19 - What is the gas produced when iron(II) sulfide is...Ch. 19 - Predict the products of each of the following...Ch. 19 - Balance the following equations by...Ch. 19 - Dilute sodium cyanide solution is slowly dripped...Ch. 19 - Predict which will be more stable, [CrO4]2- or...Ch. 19 - Give the oxidation state of the metal for each of...Ch. 19 - Indicate the coordination number for the central...Ch. 19 - Give the coordination numbers and write the...Ch. 19 - Give the coordination number for each metal ion in...Ch. 19 - Sketch the structures of the following complexes....Ch. 19 - Draw diagrams for any Cis, trans, and optical...Ch. 19 - Name each of the compounds or ions given in...Ch. 19 - Name each of the compounds or ions given in...Ch. 19 - Specify whether the following complexes have...Ch. 19 - Predict whether the carbonate ligand CO32- will...Ch. 19 - Draw the geometric, linkage, and ionization...Ch. 19 - Determine the number of unpaired electrons...Ch. 19 - Draw the Crystal field diagrams for [Fe(NO2)6]4-...Ch. 19 - Give the oxidation state of the metal, number of d...Ch. 19 - The solid anhydrous solid CoCl2 is blue in color....Ch. 19 - Is it possible for a complex of a metal in the...Ch. 19 - How many unpaired electrons are present in each of...Ch. 19 - Explain how the diphosphate ion, [O3P-O-PO3]4-,...Ch. 19 - For complexes of the same metal ion with no change...Ch. 19 - Trimethylphosphine, P(CH3)3, can act as a ligand...Ch. 19 - Would you expect the complex [Co(en)3]Cl3 to have...Ch. 19 - Would you expect the Mg3[Cr(CN)5]2 to be...Ch. 19 - Would you expect salts of the gold(I) ion, Au+, to...Ch. 19 - [CuCl4]2- is green. [Cu(H2O)6]2+ is blue. Which...
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- The following reactions all occur in a blast furnace. Which of these are redox reactions? (a) 3Fe2O3(s)+CO(g)2Fe3O4(s)+CO2(g) (b) Fe3O4(s)+CO(g)3FeO(s)+CO2(g) (c) FeO(s)+CO(g)Fe(l)+CO2(g) (d) C(s)+O2(g)CO2(g) (e) C(s)+CO2(g)2CO(g) (f) CaCO3(s)CaO(s)+CO2(g) (g) CaO(s)+SiO2(s)CaSiO3(l)arrow_forwardUsing data in Appendix 1, estimate the temperature at which Fe2O3 can be reduced to iron, using hydrogen gas as a reducing agent (assume H2O(g) is the other product).arrow_forwardHydroxylamine 1NH2OH2 reduces copper(II) to the free metal in acid solutions. Write a balanced equation for the reaction,assuming that N2 is the oxidation product.arrow_forward
- For each of the following groups, which metal would youexpect to have the highest melting point: (a) gold, rhenium,or cesium; (b) rubidium, molybdenum, or indium; (c) ruthenium,strontium, or cadmium?arrow_forwardwhich secondary metallurgical process is used for production of stainless steel.explain specific process conditions for stainless steel productionarrow_forwardKnowing that the reaction yield: FeS2 + O2 → Fe2O3 + SO2 is 75%, from 360 g of iron disulfide, calculate: a) The amount of iron (III) oxide produced. b) The volume of SO2, measured at 0 ºC and 1 atm, that will be obtained.arrow_forward
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