An electrochemical cell has the following overall reaction.

mn(s) + cu2+(aq) mc018-1.jpg cu(s) + mn2+(aq)

the reduction half-reaction has a standard potential of 1.18 v. the oxidation half-reaction has a standard potential of 0.34 v. what is the overall cell potential?

1. –1.52 v
2. –1.18 v
3 .+1.18 v
4. +1.52 v