Question: according to the following reaction how much energy is required to decompose 56.0 kg of fe3o4?
Answer: According to the following reaction, how much energy is required to decompose 55.0 kg of Fe3O4? The molar mass of Fe3O4 is 231.55 g mol-1. Fe3O4(s) → 3Fe(s) + 2O2(g) ΔrH° = +1118 kJ.