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Part A Use standard enthalpies of formation to calculate A n for the following reaction: 2H, S(g) + 302 (g)+2H, O(1) + 2S02 (Part B Use standard enthalpies of formation to calculate AHan for the following reaction: SO2(g) + O2(g)SO3(g) Express your aPart C Use standard enthalpies of formation to calculate AH for the following reaction: C(s) + O2(g) C02 (8) Express your ansPart D Use standard enthalpies of formation to calculate A n for the following reaction: N204(g) + 4H2(g)+N2(g) + 4H2O(g) Exp

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