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At 25^(@)C, the following heat of formation is given: Compound : SO_(2)(g), H_(2)O(l) DeltaH_(1)^(@) kJ//"mole" : -296.81, -285.83 For the reactions at 25^(@)C 2H_(2)S(g) + Fe(s) to FeS_(2)(s) + 2H_(2)(g), DeltaH^(@) = -137 kJ/mole. H_(2)S(g) + 3//2O_(2)(g) to H_(2)O(l) + SO_(2)(g), DeltaH^(@) = -562 kJ/mole. Calculate heat of formation of H_(2)S(g) and FeS_(2)(s) at 25^(@) C. |
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