E∘ cell =E∘anode(ox)+E∘ cathod(ox) E^{\circ} \text { cell }=E^{\circ} \operatorname{anode}(o x)+E^{\circ} \text { cathod(ox) }E∘ cell =E∘anode(ox)+E∘ cathod(ox)
E∘ cell =E∘ anode(red) −E∘ cathod(red) \mathrm{E}^{\circ} \text { cell }=\mathrm{E}^{\circ} \text { anode(red) }-\mathrm{E}^{\circ} \text { cathod(red) }E∘ cell =E∘ anode(red) −E∘ cathod(red)
E∘ cell =E∘ anode(ox) +E∘ cathod(red) \mathrm{E}^{\circ} \text { cell }=\mathrm{E}^{\circ} \text { anode(ox) }+\mathrm{E}^{\circ} \text { cathod(red) }E∘ cell =E∘ anode(ox) +E∘ cathod(red)
E∘ cell =E∘ cathod(ox) −E∘ anode(red) \mathrm{E}^{\circ} \text { cell }=\mathrm{E}^{\circ} \text { cathod(ox) }-\mathrm{E}^{\circ} \text { anode(red) }E∘ cell =E∘ cathod(ox) −E∘ anode(red)
