When an iron pipe is partly submerged in water, the iron dissolves more readily below the waterline

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When an iron pipe is partly submerged in water, the iron dissolves more readily below the waterline than at the waterline. Explain this observation by relating it to the description of corrosion given in Figure 19-21.

Figure 19-21

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General Chemistry Principles And Modern Applications

ISBN: 9780132931281

11th Edition

Authors: Ralph Petrucci, Jeffry Madura, F. Herring, Carey Bissonnette

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Question Posted: Nov 24, 2023 05:36 AM

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When an iron pipe is partly submerged in water, the iron dissolves more readily below the waterline

Question:

Iron Fe 2e Fe 2e- Cu Cu Film of water Fe2+ → Fe2+ -O₂ + 2 H₂O 4 OH (a) Copper-plated iron Iron 4 e Film of water ZnZn2+ 2 e -0₂ + 2 H₂O 4 OH™ 2 e ZnZn²+ (b) Galvanized iron

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General Chemistry Principles And Modern Applications

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