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Calculate DeltaG^(@) for the given react...

Calculate `DeltaG^(@)` for the given reaction occuring fuel cell
(i) `O_(2) + 4H^(+) + 4e^(-) to 2H_(2)O, E^(@) = 1.229` volt
(ii) `2H_(2) to 4H^(+) + 4e^(-) ,E^(@) = 0` volt

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To calculate the standard Gibbs free energy change (ΔG°) for the given reactions occurring in a fuel cell, we can follow these steps: ### Step 1: Identify the half-reactions and their standard reduction potentials The two half-reactions given are: 1. **Cathode Reaction (Reduction)**: \[ O_2 + 4H^+ + 4e^- \rightarrow 2H_2O, \quad E^\circ = 1.229 \, \text{V} \] ...
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