24. Calculate the standard Gibbs free energy change () for the overall rusting reaction of iron: . G — Electrochemistry Chemistry Question

Question

24. Calculate the standard Gibbs free energy change ($\Delta G^\circ$) for the overall rusting reaction of iron: $2Fe(s) + O_2(g) + 4H^+(aq) \rightarrow 2Fe^{2+}(aq) + 2H_2O(l)$. Given $E^\circ_{Fe^{2+}/Fe} = -0.44 V$ and $E^\circ_{O_2/H_2O} = +1.23 V$.