試題詳解

23. The standard enthalpy of formation of hematite, Fe₂O₃(s), is -825.5 kJ/mol. What is the standard enthalpy of reaction for the reduction of hematite with carbon monoxide to give metallic iron as shown below?

(A) +23.5 kJ/mol
(B) -23.5 kJ/mol
(C) -432.5 kJ/mol
(D) -531.5 kJ/mol
(E) -849.0 kJ/mol