I am getting -7.4 plz check e reaction fe,o+3co 2fe +3co,; from the following data: 3 2fe+0, fe,o,; ah=-177-1 kcal o, co; ah=-32-8

avely. -14 kcal) 18. Calculate the enthalpy change for the reaction Fe,O+3CO 2Fe +3CO,; from the following data: 3 2Fe+0, Fe,O,; AH=-177-1 kcal O, CO; AH=-32-8 kcal C+O, CO,; AH=- 94-3 kcal (-8-4 kcal) 19. The heats of formation of Na,B,O, (s) and Na BO 1a -1460 kcal resnectiual