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    Exam 9: Thermochemistry: Chemical Energy
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    Use the Given Standard Enthalpies of Formation to Calculate ΔH°
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Use the Given Standard Enthalpies of Formation to Calculate ΔH°

Question 158

Question 158

Multiple Choice

Use the given standard enthalpies of formation to calculate ΔH° for the following reaction 3 Fe2O3(s) + CO(g) → 2 Fe3O4(s) + CO2(g) . Use the given standard enthalpies of formation to calculate ΔH° for the following reaction 3 Fe<sub>2</sub>O<sub>3</sub>(s) + CO(g) → 2 Fe<sub>3</sub>O<sub>4</sub>(s) + CO<sub>2</sub>(g) .   A) -5213.4 kJ B) -577.2 kJ C) -47.2 kJ D) +47.2 kJ


A) -5213.4 kJ
B) -577.2 kJ
C) -47.2 kJ
D) +47.2 kJ

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