Wednesday
April 16, 2014

Homework Help: Chemistry

Posted by Anonymous on Sunday, May 16, 2010 at 5:30pm.

Hi I need help with another balancing oxidation-reduction reaction:

Cu(s) + Ag^1+(aq) → Cu^2+(aq) + Ag(s)

My work:

Cu (s) --> Cu^2+ (aq) + 2e-

2 [1e +Ag^1+ (aq) --> Ag(s)]

Cu(s) + 2 Ag(aq) --> Cu (aq) + 2 Ag (s)

Is this right?

And I need help with this one...

Zn(s) + H2SO4(aq) → ZnSO4(aq) + H2(g)

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