A mixture of PbS, O2, PbO, and SO2 are mixed in a reaction vessel and allowed to reach equilibrium. 2PbS(s)   +   3O2(g)   ⇋   2PbO(s)   +   2SO­­2(g)                                              ΔH = –839.9 kJ Predict whether the reaction will shift towards the reactants, shift toward the products, or remain unchanged when O2(g) is added. a) shift toward the products b) remain unchanged c) shift towards the

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Q: A mixture of PbS, O2, PbO, and SO2 are mixed in a reaction vessel and allowed to reach equilibrium.…

A: given reaction, 2PbS(s)  +  3O2(g)   ⇋   2PbO(s)  +  2SO­­2(g)      ΔH = –839.9 kJ

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