1.

The Edison storage cell is represented as :Fe(s)/FeO(s)/KOH(aq)/Ni2O3 (s)/Ni(s)The half-cell reactions are:Ni2O3(s)+H2O(l)+2e−→2NiO(s)+2OH−;E∘+0.40FeO(s)+H2O(l)+2e−→Fe(s)+2OH−;E∘=−0.87, What is the maximum amount of electrical energy that can be obtained from one mole of Ni2O3 ?

Answer»

The Edison storage cell is represented as :

Fe(s)/FeO(s)/KOH(aq)/Ni2O3 (s)/Ni(s)

The half-cell reactions are:

Ni2O3(s)+H2O(l)+2e−→2NiO(s)+2OH−;E∘+0.40

FeO(s)+H2O(l)+2e−→Fe(s)+2OH−;E∘=−0.87,

What is the maximum amount of electrical energy that can be obtained from one mole of Ni2O3 ?


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