(Answered) An ungalvenized iron nail that was put in a vinegarsalt

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An ungalvenized iron nail that was put in a vinegar/salt solution after pennies have copper II ions that coats the nail with copper metal. Is copper II becoming copper metal an oxidation or reduction and why? Is the iron metal becoming iron III ion an oxidation or a reducation? How do you know? Write the balanced oxidation and reduction half-reactions.

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