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# Using std. electrode potentials listed, calculate the equilibrium constant at 25 ⁰C for the following reaction:...

1. Using std. electrode potentials listed, calculate the equilibrium constant at 25 ⁰C for the following reaction:

O2 (g)    +    4 H+ (aq)   +    4 Fe2+ (aq)       →      4 Fe3+ (aq)    +    2 H2O (l)

Fe3+ + e- = Fe2+ Ered= 0.77

O2 + 4H+ + 4e- = 2 H20 Ered= 1.23

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