posted by maddy .
4 FeO(s) + O2(g) ¨ 2 Fe2O3(s)
calculate value of delta H
i have done this
and the products minus reactants and i got -563 but it is not right?!
My table says Fe2O3(s) = -824.2 kJ/mol which gives -560.4 kJ for the reaction.