Environmental decay of historical buildings and outdoor works of art is an increasing problem. Beginning in 1875, the Statue of Liberty on Ellis Island was constructed of an iron skeleton covered with a copper exterior, with layers of asbestos as insulation between the copper and iron. Because the Statue is composed of two dissimilar metals, redox mediated corrosion occurred when the asbestos wore away and the iron contacted the copper. What is the overall reaction and standard redox potential when the following half reactions are coupled? Fe2+ + 2e- => Feo, Eo = - 0.44 V Cu2+ + 2e- => Cuo, Eo = + 0.34 V 2. The concentration on the statue surface was measured to be 10-3 mol/L for Cu2+ and 5×10-4 mol/L for Fe2+, what is the redox potential at 25 °C?
Environmental decay of historical buildings and outdoor works of art is an increasing problem. Beginning in 1875, the Statue of Liberty on Ellis Island was constructed of an iron skeleton covered with a copper exterior, with layers of asbestos as insulation between the copper and iron. Because the Statue is composed of two dissimilar metals, redox mediated corrosion occurred when the asbestos wore away and the iron contacted the copper. What is the overall reaction and standard redox potential when the following half reactions are coupled? Fe2+ + 2e- => Feo, Eo = - 0.44 V Cu2+ + 2e- => Cuo, Eo = + 0.34 V 2. The concentration on the statue surface was measured to be 10-3 mol/L for Cu2+ and 5×10-4 mol/L for Fe2+, what is the redox potential at 25 °C?
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Environmental decay of historical buildings and outdoor works of art is an increasing problem. Beginning in 1875, the Statue of Liberty on Ellis Island was constructed of an iron skeleton covered with a copper exterior, with layers of asbestos as insulation between the copper and iron. Because the Statue is composed of two dissimilar metals, redox mediated corrosion occurred when the asbestos wore away and the iron contacted the copper.
- What is the overall reaction and standard redox potential when the following half reactions are coupled?
Fe2+ + 2e- => Feo, Eo = - 0.44 V
Cu2+ + 2e- => Cuo, Eo = + 0.34 V
2. The concentration on the statue surface was measured to be 10-3 mol/L for Cu2+ and 5×10-4 mol/L for Fe2+, what is the redox potential at 25 °C?
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