Question 16 Use the standard reaction enthalpies given below to determine AH°rxn for the following reaction: 4 Fe3O4 (s) + O2(g) → 6 Fe2O3 (s) Given: 6 Fe (s) + 402 (g) → 2 Fe3O4 (s) 6 Fe2O3 (s) → 12 Fe (s) + 9 02 (g) AH°rxn = ??? AH° ■ -1787 kJ rxn AH° ■+3946 kJ rxn ○ +2159 kJ O -2159 kJ +372 kJ O -372 kJ O Cannot be determined

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