Calculate the standard enthalpy change for this reaction, Chemistry

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Calculate the standard enthalpy change for this reaction

The first step in the preparation of lead from its ore (galena, PbS) consists of roasting the ore.

2PbS(s) + 3O2(g) ? 2SO2(g) + 2PbO(s)

Calculate the standard enthalpy change for this reaction using enthalpies of formation.

?H°f (PbS(s)) = -98.32 kJ

?H°f (SO2(g)) = -296.8 kJ

?H°f (PbO(s)) = -219.4 kJ

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Chemistry: Calculate the standard enthalpy change for this reaction

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