The reduction of iron(III) oxide (Fe2O3) to pure iron during the first step of steelmaking,2 Fe2O3(s) 4 Fe(s) + 302 (g)is driven by the high-temperature combustion of coke, a purified form of coal:C(s) + 0,(g) → CO₂ (g)Suppose at the temperature of a blast furnace the Gibbs free energies of formation AG, of CO2 and Fe2O3 are-412. kJ/mol and -836. kJ/mol, respectively. Calculate the minimum mass of coke needed to produce 470. t of pure iron.(One metric ton, symbol t, equals 1000-kg.)Round your answer to 2 significant digits.kgx10

Step 1: First we need to get the net chemical reaction by balancing. We multiply the combustion of…

Answered: The reduction of iron(III) oxide…

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter16: Thermodynamics: Directionality Of Chemical Reactions

Section: Chapter Questions

Problem 91QRT: Actually, the carbon in CO2(g) is thermodynamically unstable with respect to the carbon in calcium...

See similar textbooks

Similar questions

Determine the standard Gibbs free energy change, rG, for the reactions of liquid methanol, of CO(g), and ofethyne, C2H2(g), with oxygen gas to form gaseous carbondioxide and (if hydrogen is present) liquid water at298 K. Use your calculations to decide which of thesesubstances are kinetically stable and which are thermodynamically stable: CH3OH(), CO(g), C2H9(g), CO2(g),H2O().
Another step in the metabolism of glucose, which occurs after the formation of glucose6-phosphate, is the conversion of fructose6-phosphate to fructose1,6-bisphosphate(bis meanstwo): Fructose6-phosphate(aq) + H2PO4(aq) fructose l,6-bisphosphate(aq) + H2O() + H+(aq) (a) This reaction has a Gibbs free energy change of +16.7 kJ/mol of fructose6-phosphate. Is it endergonic or exergonic? (b) Write the equation for the formation of 1 mol ADP fromATR for which rG = 30.5 kJ/mol. (c) Couple these two reactions to get an exergonic process;write its overall chemical equation, and calculate theGibbs free energy change.
What is the sign of the standard Gibbs free-energy change at low temperatures and at high temperatures for the explosive decomposition of TNT? Use your knowledge of TNT and the chemical equation, particularly the phases, to answer this question. (Thermodynamic data for TNT are not in Appendix G.) 2C7H5N3O6(s) 3N2(g) + 5H2O() + 7C(s) + 7CO(g)
Calculate the standard Gibbs free-energy change when SO3 forms from SO2 and O2 at 298 K. Why is sulfur trioxide an important substance to study? (Hint: What happens when it combines with water?)
Consider the reaction NH4+(aq) H+(aq)+NH3(aq) Use G f for NH3(aq) at 25C=26.7 kJ/mol and the appropriate tables to calculate (a) G at 25C (b) Ka at 25C
Consider planet Earth as a thermodynamic system. Is Earth thermodynamically or kinetically stable? Discuss your choice, providing as many arguments as you can tosupport it.
The reduction of iron(III) oxide (Fe2O3) to pure iron during the first step of steelmaking, 2 FeO3(s) 4Fe(s) + 302(g) is driven by the high-temperature combustion of coke, a purified form of coal: C(s) + O2(g) → CO₂ (g) -> 11 ✓12 Suppose at the temperature of a blast furnace the Gibbs free energies of formation AG, of CO2 and Fe2O3 are -447. kJ/mol and -818. kJ/mol, respectively. Calculate the minimum mass of coke needed to produce 7800. kg of pure iron. Round your answer to 2 significant digits. kg 5
The reduction of iron(III) oxide (Fe,O3) to pure iron during the first step of steelmaking, 2 Fe2O3(s) 4Fe(s) + 302(g) is driven by the high-temperature combustion of coke, a purified form of coal: C(s) + O2(g) → CO₂ (g) Suppose at the temperature of a blast furnace the Gibbs free energies of formation AG, of CO2 and Fe2O3 are -438. kJ/mol and -839. kJ/mol, respectively. Calculate the maximum mass of pure iron that can be produced by the combustion of 4100. kg of coke. Round your answer to 2 significant digits. kg x10 X
(b) Consider the dissociation of molecular chlorine, with an equilibrium constant K = 0.44, at a certain temperature and a pressure of 1.00 bar, described by the following chemical equilibrium reaction: Cl2(g) = 2 Cl(g), Calculate the following: (i) The dissociation temperature (in Kelvins) of molecular chlorine, given that the standard Gibbs free energy change of the reaction is AG = 19 kJ mol-1. (ii) The degree of dissociation (a) of molecular chlorine (iii) If the equilibrium constant at a higher temperature of 3455 K is K = 3.00, calculate AH, assuming A.He to be constant up to this temperature range. (iv) Calculate A-GⓇ and A.SⓇ at a temperature of 3455 K. (v) Describe the position of equilibrium based on question (iv) above on the value of AGº.
The reduction of iron(III) oxide (Fe₂O3) to pure iron during the first step of steelmaking, 2 Fe₂O3(s) 4Fe(s) + 30₂ (g) is driven by the high-temperature combustion of coke, a purified form of coal: C(s) + O₂(g) CO₂ (g) Suppose at the temperature of a blast furnace the Gibbs free energies of formation AG of CO2 and Fe₂O3 are −436. kJ/mol and 828. kJ/mol, respectively. Calculate the maximum mass of pure iron that can be produced by the combustion of 8100. kg of coke. Round your answer to 2 significant digits. kg X Ś
The reduction of iron(III) oxide (Fe2O3) to pure iron during the first step of steelmaking, 2 Fe2O3(s) 4 Fe(s) + 302 (g) →>> is driven by the high-temperature combustion of coke, a purified form of coal: C(s) + O2(g) CO₂ (g) → Suppose at the temperature of a blast furnace the Gibbs free energies of formation AG of CO2 and Fe2O3 are -442. kJ/mol and -822. kJ/mol, respectively. Calculate the maximum mass of pure iron that can be produced by the combustion of 5700. kg of coke. Round your answer to 2 significant digits. kg ☐ x10
The reduction of iron(III) oxide (Fe2O3) to pure iron during the first step of steelmaking, 2 Fe2O3(s) 4Fe(s) + 302 (g) is driven by the high-temperature combustion of coke, a purified form of coal: C(s) + O2(g) - - CO2(g) Suppose at the temperature of a blast furnace the Gibbs free energies of formation AG of CO2 and Fe2O3 are -428. kJ/mol and -821. kJ/mol, respectively. Calculate the minimum mass of coke needed to produce 680. t of pure iron. (One metric ton, symbol t, equals 1000 kg.) Round your answer to 2 significant digits.

SEE MORE QUESTIONS

Recommended textbooks for you

Chemistry: The Molecular Science

Chemistry

ISBN:

9781285199047

Author:

John W. Moore, Conrad L. Stanitski

Publisher:

Cengage Learning

Chemistry: Principles and Practice

Chemistry

ISBN:

9780534420123

Author:

Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:

Cengage Learning

Chemistry: Principles and Reactions

Chemistry

ISBN:

9781305079373

Author:

William L. Masterton, Cecile N. Hurley

Publisher:

Cengage Learning

Chemistry: The Molecular Science

Chemistry

ISBN:

9781285199047

Author:

John W. Moore, Conrad L. Stanitski

Publisher:

Cengage Learning

Chemistry: Principles and Practice

Chemistry

ISBN:

9780534420123

Author:

Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:

Cengage Learning

Chemistry: Principles and Reactions

Chemistry

ISBN:

9781305079373

Author:

William L. Masterton, Cecile N. Hurley

Publisher:

Cengage Learning

Principles of Modern Chemistry

Chemistry

ISBN:

9781305079113

Author:

David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:

Cengage Learning

SEE MORE TEXTBOOKS