When 1 Mole of Fe₂O₃(s) Reacts with H₂(g) to Form

question 21

Multiple Choice

When 1 mole of Fe₂O₃(s) reacts with H₂(g) to form Fe(s) and H₂O(g) by the following reaction, 98.8 kJ of energy is absorbed.
Fe₂O₃(s) + 3 H₂(g) → 2 Fe(s) + 3 H₂O(g) (A)
(B)
Is the reaction endothermic or exothermic, and which of the enthalpy diagrams above
Represents this reaction?

• A) Endothermic; A
• B) Endothermic; B
• C) Exothermic; A
• D) Exothermic; B
• E) None of these

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