問題詳情
9. For the reaction H2O(l) → H2O(g) at 298 K, 1.0 atm, ΔH is more positive than ΔE by 2.5 kJ/mol.
This quantity of energy can be considered to be
(A)the heat flow required to maintain a constant temperature.
(B) the work done in pushing back the atmosphere.
(C) the difference in the H—O bond energy in H2O(l) compared to H2O(g)
(D)the value of ΔH itself.
(E) none of these
參考答案