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anonymous

  • one year ago

1.Which element is oxidized in the following reaction:

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  1. anonymous
    • one year ago
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    |dw:1439756726884:dw|

  2. anonymous
    • one year ago
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    #taramgrant0543664 help please

  3. taramgrant0543664
    • one year ago
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    I'm sorry I can't see part of the reaction it's up a little high and too much too the right, I'm on my iPad so it likes to be difficult I see CuO+H2-->Cu + That's all that I see I'm assuming if I have the reactants right it should be CuO+H2 --> Cu+ H2O

  4. anonymous
    • one year ago
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    yes

  5. taramgrant0543664
    • one year ago
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    So when dealing with redox reactions most people have a saying that helps them remember mine is LEO the lion says GER LEO meanings lose electrons oxidized GER meaning gain electrons reduced For this question we need to determine which one loses electrons to become oxidized

  6. taramgrant0543664
    • one year ago
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    CuO + H2 --> Cu + H20 We need to figure out the charges on each of the elements (+2)(-2)..(0) -->(0)..(+1)(-2)

  7. taramgrant0543664
    • one year ago
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    As you can see oxygens charge remains at -2 so oxygen is neither oxidized or reduced

  8. taramgrant0543664
    • one year ago
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    Cu goes from a charge of +2 to 0 H goes from a charge of 0 to +1 Which one is losing electrons?

  9. anonymous
    • one year ago
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    cuo+h2 right

  10. taramgrant0543664
    • one year ago
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    The element that is oxidized is the one that loses electrons so it becomes more positive

  11. anonymous
    • one year ago
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    ok

  12. taramgrant0543664
    • one year ago
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    Cu goes from a charge of +2 to 0 H goes from a charge of 0 to +1 One is gaining electrons and therefore reduced One is losing electrons therefore oxidized

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