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Posted by Samantha on Thursday, November 8, 2012 at 4:40pm.

calculate the delta H for 3 Fe(s) + 4 CO2(g) ¨ 4 CO(g) + Fe3O4(s)

The arrow is made as --> or ==> or >>> dHrxn = (n*dHf products) - (n*dHf reactants)

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