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How do sacrificial electrodes work?

  1. Mar 18, 2015 #1
    i have brass metal in contact with ammonia(liq), could someone help me identify the oxidation reaction?

    i thought the oxidation rxn was supposed to involve the ammonia and the copper, but that combination would lead to the copper being reduced, not oxidized. am i right?
    how exactly is copper losing its electrons?
     
  2. jcsd
  3. Mar 22, 2015 #2

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