阿摩線上測驗
登入
阿摩線上測驗
登入
試卷名稱：113年 - 113 國立清華大學_學士後醫學系單招試題_學士後醫學系自然科學組：化學與物理#119930
年份：113年
科目：學士後西醫物理及化學
20. The dissolution of a strong electrolyte of type AmBn in water (which can be regarded as a special chemical reaction) is expressed as AmBn = An+(aq) + Bm-(aq), with enthalpy and entropy changes of △H and△S, respectively.Which of the following statements best describesthe dissolution of strong electrolytes of type AmBnof different compositions?
(A) Both △H and△S are positive.
(B) Both △H and△S are negative.
(C) △H ispositive, and △S is negative.
(D) △H may be positive or negative, and △S is positive.
(E) Both △H and△S may be positive or negative.
