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Using Hess's law, calculate the H value for the following reaction: (8 marks FeO(s)+CO(g)Fe(s)+CO2(g) Use these three reactions: Fe2O3(s)+3CO(g)2Fe(s)+3CO2(g)3Fe2O3(s)+CO(g)2Fe3O4(s)+CO2(g)Fe3O4(s)+CO(g)3FeO(s)+CO2(g)H=25.0kJH=47.0kJH=+38.0kJ

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