試題詳解

7. For the combustion of ethyl alcohol as described in the above equation, which of the following statements is(are) true?

C₂H₅OH(l) + 3O₂(g) → 2CO₂(g) + 3H₂O(Λ), ΔΗ = −1.37 x 103 kJ

I: The reaction is exothermic； II: The enthalpy change would be different if gaseous water were produced； III: The reaction is not an oxidation-reduction one； IV: The products of the reaction occupy a larger volume than the reactants.
(A) I, II
(B) I, II, III
(C) I, III, IV
(D) III, IV
(E) I only