阿摩線上測驗
16. Consider the dissociation reaction of the acid HF. HF(aq) ⇌ 
Why is △S 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 △S thus should be negative. ;
(D) The reaction is expected to be endothermic, and △S thus should be negative. ;
(E) none of these.
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統計： A(0), B(0), C(1), D(0), E(0) #3507468
統計： A(0), B(0), C(1), D(0), E(0) #3507468
