优优班--学霸训练营 > 题目详情
  • 已知\(\rm{H^{+}(aq)+OH^{-}(aq)═H_{2}O(l)\triangle H=-57.3kJ⋅mol^{-1}.}\)以下四个化学方程式其中反应热为\(\rm{-57.3kJ⋅mol^{-1}}\)的是\(\rm{(}\)  \(\rm{)}\)
    \(\rm{①H_{2}SO_{4}(aq)+2NaOH(aq)═Na_{2}SO_{4}(aq)+2H_{2}O(l)}\)
    \(\rm{②H_{2}SO_{4}(aq)+Ba(OH)_{2}(aq)═BaSO_{4}(s)+2H_{2}O(l)}\)
    \(\rm{③HCl(aq)+NH_{3}⋅H_{2}O(aq)═NH_{4}Cl(aq)+H_{2}O(l)}\)
    \(\rm{④CH_{3}COOH(aq)+NH_{3}⋅H_{2}O(aq)═CH_{3}COONH_{4}(aq)+H_{2}O(l)}\)
    【考点】中和热
    【分析】请登陆后查看
    【解答】请登陆后查看
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