flexastexas
  • flexastexas
Writing half life reactions?
Chemistry
  • Stacey Warren - Expert brainly.com
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
flexastexas
  • flexastexas
"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.
Cuanchi
  • Cuanchi
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
flexastexas
  • flexastexas
it was a nickle

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Cuanchi
  • Cuanchi
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
flexastexas
  • flexastexas
But how do I write a half reaction?
Cuanchi
  • Cuanchi
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.
flexastexas
  • flexastexas
guide me through this please
Cuanchi
  • Cuanchi
do you have the table?
flexastexas
  • flexastexas
I found the Cu(s)
flexastexas
  • flexastexas
I wasnt provided one but i have the one you just linked me
Cuanchi
  • Cuanchi
ok the Ni is 4 reactions below
flexastexas
  • flexastexas
what does this table represent anyways?
Cuanchi
  • Cuanchi
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.
flexastexas
  • flexastexas
the second part of the question asked me to include states of elements or ions. What does that mean?
Cuanchi
  • Cuanchi
wikipedia has a more complete table https://en.wikipedia.org/wiki/Standard_electrode_potential_(data_page)
Cuanchi
  • Cuanchi
That are the (s) = solid, (aq) = aqueous, (l)= liquid , (g)= gas
flexastexas
  • flexastexas
Sweet! I appreciate it dude
Cuanchi
  • Cuanchi
no prob anytime!!

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