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flexastexas

  • one year ago

Writing half life reactions?

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  1. flexastexas
    • one year ago
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    "3. Write the two half-reactions that occur in this electroplating process. Be sure to include the states of the elements or ions." I did an experiment where we used a 6v battery to make a electrolytic cell. We used copper and a coin. I am wondering how do I do this.

  2. cuanchi
    • one year ago
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    what kind of coin? a penny, a nickel, a silver dollar, a golden coin? depends of the nature of the coin the half reaction can be different

  3. flexastexas
    • one year ago
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    it was a nickle

  4. cuanchi
    • one year ago
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    OK then you have one of the half reaction is Cu loosing/ gaining electrons and the other is going to be Ni loosing or gaining electrons

  5. flexastexas
    • one year ago
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    But how do I write a half reaction?

  6. cuanchi
    • one year ago
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    do you have a reduction potential table like this one? find the two half reactions for Cu and Ni in this table , the equation here in the table are written as reduction with the electrons as reactants.

  7. flexastexas
    • one year ago
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    guide me through this please

  8. cuanchi
    • one year ago
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    do you have the table?

  9. flexastexas
    • one year ago
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    I found the Cu(s)

  10. flexastexas
    • one year ago
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    I wasnt provided one but i have the one you just linked me

  11. cuanchi
    • one year ago
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    ok the Ni is 4 reactions below

  12. flexastexas
    • one year ago
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    what does this table represent anyways?

  13. cuanchi
    • one year ago
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    That is a list of selected reduction half-reactions sorted by the reduction potential E from higher + to lower - . The value 0 is for the arbitrarily assigned hydrogen electrode. You can find tables more extensive with more half reaction. In the reactions the left side of the arrow are the reactants with the electrons and after the arrow in the right side of the arrow the product or reduced form of the reactant. So for your work, you have to copy that two reaction Cu and Ni with the (aq) and (s) They haven't ask you about the potential so don't worry about that number all the way in the right.

  14. flexastexas
    • one year ago
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    the second part of the question asked me to include states of elements or ions. What does that mean?

  15. cuanchi
    • one year ago
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    wikipedia has a more complete table https://en.wikipedia.org/wiki/Standard_electrode_potential_(data_page)

  16. cuanchi
    • one year ago
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    That are the (s) = solid, (aq) = aqueous, (l)= liquid , (g)= gas

  17. flexastexas
    • one year ago
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    Sweet! I appreciate it dude

  18. cuanchi
    • one year ago
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    no prob anytime!!

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