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What is Δ S° at 25°C for the reduction of lead(II) oxide by charcoal? 2PbO(s) + C(s) → 2Pb(s) + CO2(g) Substance S°(J/K mol) PbO(s) 69.5 C(s) 5.7 Pb(s) 64.9 CO2(g) 213.6 A) +198.7 J/K mol B) +488.0 J/K mol C) +353.7 J/K mol D) -203.3 J/K mol E) +203.3 J/K mol