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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) When 1 mole of Fe<sub>2</sub>O<sub>3</sub>(s) reacts with H<sub>2</sub>(g) to form Fe(s) and H<sub>2</sub>O(g) by the following reaction, 98.8 kJ of energy is absorbed. Fe<sub>2</sub>O<sub>3</sub>(s) + 3 H<sub>2</sub>(g) → 2 Fe(s) + 3 H<sub>2</sub>O(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 (A) When 1 mole of Fe<sub>2</sub>O<sub>3</sub>(s) reacts with H<sub>2</sub>(g) to form Fe(s) and H<sub>2</sub>O(g) by the following reaction, 98.8 kJ of energy is absorbed. Fe<sub>2</sub>O<sub>3</sub>(s) + 3 H<sub>2</sub>(g) → 2 Fe(s) + 3 H<sub>2</sub>O(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
(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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