A cell of E ° or G G ° cannot be equal to zero. The only standard electrode power is randomly assigned is the standard hydrogen electrode (SHE). As everything else is measured in relation to SHE; the E ° cell will never be zero.
Can E°cell or ΔrG° for cell reaction ever be equal to zero?
Can E°cell or ΔrG° for cell reaction ever be equal to zero?