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Calculate the standard cell potential for each of the electrochemical cells?

2Ag+(aq)+Pb(s)→2Ag(s)+Pb2+(aq)

E∘cell......V?

2ClO2(g)+2I−(aq)→2ClO−2(aq)+I2(s)

E∘cell......V?

O2(g)+4H+(aq)+2Zn(s)→2H2O(l)+2Zn2+(aq)

E∘cell......V?

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4 answers
  1. John, what's the problem here. It's just a matter of looking up the half reaction and adding one to the other after reversing one of them.

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  2. .93 volts, .41 volts, and 1.99 volts. I tried to find them out with "doctor" bobs way but I couldn't do them. My teacher did not even bother to teach us how to do this. For future reference Dr. Bob, instead of asking for one's work, how about at least show them where they could find these half reactions or something useful instead of wasting ones time.

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  3. .34

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  4. Yes, not all reduction potentials are findable.

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