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According to the Following Reaction,how Much Energy Is Required to Decompose

Question 139

Multiple Choice

According to the following reaction,how much energy is required to decompose 56.0 kg of Fe3O4? The molar mass of Fe3O4 is 231.55 g/mol. Fe3O4(s) → 3 Fe(s) + 2 O2(g) ΔH°rxn = +1118 kJ


A) 1.35 × 105 kJ
B) 1.07 × 104 kJ
C) 2.70 × 105 kJ
D) 5.41 × 105 kJ
E) 8.11 × 105 kJ

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