Given the Following Data

question 50

Multiple Choice

Given the following data:
Fe₂O₃ (s) + 3 CO (g) →2 Fe (s) + 3 CO₂ (g) D H = - 25 kJ/mol 2 CO (g) + O₂ (g) →2 CO₂ (g) D H = - 566 kJ/mol What is the molar enthalpy of reaction D H _rxn for the following reaction?
4 Fe (s) + 3 O₂ (g) →2 Fe₂O₃ (s) D H _rxn = ??

• A) - 541 kJ/mol
• B) - 591 kJ/mol
• C) - 1057 kJ/mol
• D) - 1648 kJ/mol
• E) - 1748 kJ/mol

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