Homework Help: chemistry

Posted by Anonymous on Monday, May 3, 2010 at 11:46am.

Given:
Cr3+(aq) + 3e每 Cr(s); E～ = 每0.74 V
Pb2+(aq) + 2e每 Pb(s); E～ = 每0.13 V
What is the standard cell potential for the following reaction?
2Cr(s) + 3Pb2+(aq) ↙ 3Pb(s) + 2Cr3+(aq)

chemistry - DrBob222, Monday, May 3, 2010 at 12:01pm
No arrows leaves me cold.
I can't translate some of the symbols.
Anyway, the answer to your problem is to add the oxidation volts to the reduction volts.

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