Find AH for the following reaction: 2PBS(s) +302(g) 2PBO(s) + 2SO2(g) Use the following reactions with known AH values: + O2(g) + O2(g) PbO(s) + H2S(g) → 2S(s, rhombic) + 2H2O(g) → SO2 (g) PbS(s) 2H2S(g) AH = -442.4 kJ S(s, rhombic) AH = -296.8 kJ H2O(g) AH =-104.3 kJ

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