Many underground pipes are protected fromcorrosion by connectingthem by a conducting wire to a block of magnesiummetal buried closeto the pipe. The magnesium protects the iron byacting as a sacrificial anode.Another metal which could also act as thesacrificial anode would bezincmercurycopperO nickelsilver

Sacrificial anodes , also known as Galvanic anodes, are used to protect the buried metal structures…

Answered: Another metal which could also act as…

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Another metal which could also act as the sacrificial anode would be

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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Concept explainers

Electrolysis

Electrolysis is defined as the process of breaking down ionic compounds into their constituent elements by passing a direct electric current through the compound in a fluid state. The cathode reduces cations, while the anode oxidizes anions. An electrolyte, electrodes, and some form of external power source are the main components required for conducting electrolysis. A partition, such as an ion-exchange membrane or a salt bridge, may also be used, but this is optional. These are primarily used to prevent the products from diffusing near the opposing electrode.

Question

Many underground pipes are protected from
corrosion by connecting
them by a conducting wire to a block of magnesium
metal buried close
to the pipe. The magnesium protects the iron by
acting as a sacrificial anode.
Another metal which could also act as the
sacrificial anode would be
zinc
mercury
copper
O nickel
silver

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