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A magnesium bar with a mass of 5.9 kg is attached to a buried iron pipe to serve as a sacrificial anode. An average current of 0.018 A flows between the bar and the pipe a What half-reaction takes place at the surface of the magnesium bar? (Use the lowest possible coefficients. Be sure to specify states such as (aq) or (s). If a box is not needed, leave it blank ) b. What half-reaction takes place at the surface of the iron pipe? There is some oxygen around the iron pipe. (Use the lowest possible coefficients. Be sure to specify states such as (aq) or (s). If a box is not needed, leave it blank.) c. In which direction do electrons flow between the two surfaces? O from the iron pipe to the magnesium bar from the magnesium bar to the iron pipe d. How many years would it take for the entire magnesium bar to be consumed? years

A magnesium bar with a mass of 5.9 kg is attached to a buried iron pipe to serve as a sacrificial anode. An average current of 0.018 A flows between the bar and the pipe a What half-reaction takes place at the surface of the magnesium bar? (Use the lowest possible coefficients. Be sure to specify states such as (aq) or (s). If a box is not needed, leave it blank ) b. What half-reaction takes place at the surface of the iron pipe? There is some oxygen around the iron pipe. (Use the lowest possible coefficients. Be sure to specify states such as (aq) or (s). If a box is not needed, leave it blank.) c. In which direction do electrons flow between the two surfaces? O from the iron pipe to the magnesium bar from the magnesium bar to the iron pipe d. How many years would it take for the entire magnesium bar to be consumed? years

Chemistry
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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[References) A magnesium bar with a mass of 5.9 kg is attached to a buried iron pipe to serve as a sacrificial anode. An average current of 0.018 A flows between the bar and the pipe. a What half-reaction takes place at the surface of the magnesium bar? (Use the lowest possible coefficients. Be sure to specify states such as (aq) or (s). If a box is not needed, leave it blank.) b. What half-reaction takes place at the surface of the iron pipe? There is some oxygen around the iron pipe. (Use the lowest possible coefficients. Be sure to specify states such as (ag) or (s). If a box is not needed, leave it blank.) C. In which direction do electrons flow between the two surfaces? from the iron pipe to the magnesium bar O from the magnesium bar to the iron pipe d. How many years would it take for the entire magnesium bar to be consumed? years
Transcribed Image Text:[References) A magnesium bar with a mass of 5.9 kg is attached to a buried iron pipe to serve as a sacrificial anode. An average current of 0.018 A flows between the bar and the pipe. a What half-reaction takes place at the surface of the magnesium bar? (Use the lowest possible coefficients. Be sure to specify states such as (aq) or (s). If a box is not needed, leave it blank.) b. What half-reaction takes place at the surface of the iron pipe? There is some oxygen around the iron pipe. (Use the lowest possible coefficients. Be sure to specify states such as (ag) or (s). If a box is not needed, leave it blank.) C. In which direction do electrons flow between the two surfaces? from the iron pipe to the magnesium bar O from the magnesium bar to the iron pipe d. How many years would it take for the entire magnesium bar to be consumed? years
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