1．
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\(\rm{(}\) \(\rm{)}\)
\(\rm{①H_{2}SO_{4}(aq)+2NaOH(aq)═Na_{2}SO_{4}(aq)+2H_{2}O(l)}\)
\(\rm{②H_{2}SO_{4}(aq)+Ba(OH)_{2}(aq)═BaSO_{4}(s)+2H_{2}O(l)}\)
\(\rm{③HCl(aq)+NH_{3}⋅H_{2}O(aq)═NH_{4}Cl(aq)+H_{2}O(l)}\)
\(\rm{④CH_{3}COOH(aq)+NH_{3}⋅H_{2}O(aq)═CH_{3}COONH_{4}(aq)+H_{2}O(l)}\)