17. Consider the dissociation reaction of the acid HF. Why is AS negative?

(A) each HF molecule produces two ions when it dissociates
(B) the ions are hydrated
(C) the reaction is expected to be exothermic, and AS thus should be negative
(D) the reaction is expected to be endothermic, and thus AS should be negative
(E) none of these
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統計: A(0), B(1), C(0), D(0), E(0) #3371102
統計: A(0), B(1), C(0), D(0), E(0) #3371102