Iron objects will readily corrode when exposed to air and moisture, as represented by the following equation: Select one: O 2H₂O(l) + Fe(s) → Fe²+(aq) + H₂(g) + 2OH(aq) O O2(g) + 2H₂O(l) + 2Fe²+ (aq) → 2Fe(s) + 40H (aq) O O2(g) + 2H₂O(l) + 2Fe(s) - 2Fe²(aq) + 40H¨(aq) 2H₂O(l) + 2Fe²+ (aq) → 2Fe(s) + O₂(g) + 4H*(aq) Which of the following metals can be attached to an iron object to prevent corrosion of the iron and act as a sacrificial anode? Select one: O silver O cobalt O lead O magnesium Use the following information to answer the next 3 questions. 1.0 moVL KNO, Fig. 10 Co 1.0 mol/L Zn(NO), 1.0 mol/L Co(NO), As the voltaic cell in Figure 10 operates, the cations move towards the As the cell in Figure 10 operates, the electrons flow from the electrode and that electrode electrode through the • • mass.

Iron objects will readily corrode when exposed to air and moisture, as represented by the following equation: Select one: O 2H₂O(l) + Fe(s) → Fe²+(aq) + H₂(g) + 2OH(aq) O O2(g) + 2H₂O(l) + 2Fe²+ (aq) → 2Fe(s) + 40H (aq) O O2(g) + 2H₂O(l) + 2Fe(s) - 2Fe²(aq) + 40H¨(aq) 2H₂O(l) + 2Fe²+ (aq) → 2Fe(s) + O₂(g) + 4H*(aq) Which of the following metals can be attached to an iron object to prevent corrosion of the iron and act as a sacrificial anode? Select one: O silver O cobalt O lead O magnesium Use the following information to answer the next 3 questions. 1.0 moVL KNO, Fig. 10 Co 1.0 mol/L Zn(NO), 1.0 mol/L Co(NO), As the voltaic cell in Figure 10 operates, the cations move towards the As the cell in Figure 10 operates, the electrons flow from the electrode and that electrode electrode through the • • mass.

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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