question archive Show how the nonspontaneous conversion of Cu2S to Cu (shown in reaction 1 below) can be accomplished by coupling it with the oxidation of S to SO2 (shown in reaction 2 below)
Show how the nonspontaneous conversion of Cu2S to Cu (shown in reaction 1 below) can be accomplished by coupling it with the oxidation of S to SO2 (shown in reaction 2 below)
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Show how the nonspontaneous conversion of Cu2S to Cu (shown in reaction 1 below) can be accomplished by coupling it with the oxidation of S to SO2 (shown in reaction 2 below). Show the overall spontaneous reaction resulting from the coupling of these two reactions and calculate the ΔG0 of the overall reaction.
(1) Cu2S (s) → 2 Cu (s) + S (s) ΔG0 = + 86.2 kJ
(2) S (s) + O2 (g) → SO2 (g) ΔG0 = - 300.1 kJ
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