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Author Question: Which of the following statements concerning the rusting of iron is false? (Read 39 times)

CQXA

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on: Feb 15, 2020

Question 1

Shown below are the reactions occurring in the proton-exchange membrane (PEM) fuel cell.

I.2 H2(g) → 4 H+(aq) + 4 e-
II.O2(g) + 4 H+(aq) + 4 e- → 2 H2O(l)
Overall2 H2(g) + O2(g) → 2 H2O(l)

Which is the cathode reaction, and what is being oxidized in the overall reaction?
◦ I, O2
◦ II, O2
◦ I, H2
◦ II, H2

Question 2

Which of the following statements concerning the rusting of iron is false?
◦ Salt increases the rate of corrosion by providing ions to carry the current.
◦ The oxidation site can occur at a different place on the metal surface than the reduction site.
◦ The rusting of iron requires both oxygen and water.
◦ The metal is reduced.
Chemistry ¦ McMurry, Fay, Robinson ¦ 7th Edition
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Marked as best answer by CQXA on Feb 15, 2020

JaynaD87

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Reply #1 on: Feb 15, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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CQXA

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Reply 2 on: Feb 15, 2020
:D TYSM

peter

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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