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The overall reaction for the corrosion of iron (rusting) by oxygen is 4Fe(s) + 3O2 --> 2Fe2O3 (s) Calculate ΔGo for the reaction using ΔG = ΔH – TΔS. ΔG = -1484.5 kJ Calculate the equilibrium constant using ΔGo = -RT ln K. K = 1.58 x 1060

The overall reaction for the corrosion of iron (rusting) by oxygen is 4Fe(s) + 3O2 --> 2Fe2O3 (s) Calculate ΔGo for the reaction using ΔG = ΔH – TΔS. ΔG = -1484.5 kJ Calculate the equilibrium constant using ΔGo = -RT ln K. K = 1.58 x 1060

Chemistry: Principles and Practice
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter17: Chemcial Thermodynamics
Section: Chapter Questions
Problem 17.16QE
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The overall reaction for the corrosion of iron (rusting) by oxygen is

                                                 4Fe(s) + 3O2 --> 2Fe2O3 (s)

  1. Calculate ΔGo for the reaction using ΔG = ΔH – TΔS.      ΔG = -1484.5 kJ
  2. Calculate the equilibrium constant using ΔGo = -RT ln K.     K = 1.58 x 1060
  3. What does this mean for the fate of iron in our environment?
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