- How do i find the actual value of E for the copper half-reaction using the Nernst Equation? I know that the temperature is 25ºC and the Eº for copper is 0.340 V.
- Assuming the temperature is at 25ºC, how do I find the Eº for a galvanic cell using the half-cell of Ag
^{+}(aq) + e^{-}--> Ag(s), which has a Eº of 0.799V, and the half cell Ag(S2O3)_{2}^{3-}(aq) + e^{-}--> Ag(s) + 2S_{2}O_{3}^{2-}(aq), which has a Eº of 0.017V.

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