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Gibb's Energy and Nernst Equation

For the diagr...

Question

For the diagram above, which statement is true about the setup shown?

The electrode potential for this cell is 1.40 V

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The electrode potential for this cell is 2.54 V

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Electrons will be carried by the salt bridge

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Ions will be carried through the wire

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The reaction is nonspontaneous

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Solution

The correct option is A The electrode potential for this cell is 1.40 V
The electrode potential for this cell is 1.40 V
$E_{c e l l}^{0} = E_{N i}^{0} - E_{A l}^{0} = - 0.26 - (- 1.66) = 1.40$ V
Ions will be carried by the salt bridge
Electrons will be carried through the wire
The reaction is spontaneous as the standard cell potential is positive.

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