For a galvanic cell Zn | Zn2+ (C1) || Zn2+(C2) | Zn , E^° cell will be positive when a) C1>C2 b) C2 > C1

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Z n / Z n^{2 +} (C_{1}) | | C u^{2 +} (C_{2}) / C u

E_{c e l l} - E_{c e l l}^{o} = + 0.0591 V

\frac{C_{1}}{C_{2}}

298 K

Z n | Z n^{2 +} (C_{1}) | | Z n^{2 +} (C_{2}) | Z n

Δ G

Zn | Zn2+ (C1) || Zn2+ (C2) | Zn. For this cell G is negative if

$Z n | Z n^{2 +} (C_{1}) | | Z n^{2 +} (C_{2}) | Z n$ ,

for this cell $Δ G$ is negative if:

Z n | {Z n}^{2 +} (C_{1}) ∥ {Z n}^{2 +} (C_{2}) | Z n

Δ G

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