7.
强酸和强碱在稀溶液里反应的热化学方程式可表示为:
\(\rm{H^{+}(aq)+OH^{-}(aq)=H_{2}O(l)}\) \(\rm{ΔH=-57.3kJ·mol^{-1}}\),已知:
\(\rm{CH_{3}COOH(aq)+NaOH(aq)=CH_{3}COONa(aq)+H_{2}O(l)}\) \(\rm{ΔH=-Q_{1}kJ·mol^{-1}}\)
\(\rm{HNO_{3}(aq)+NaOH(aq)=NaNO_{3}(aq)+H_{2}O(l)}\) \(\rm{ΔH=-Q_{2}kJ·mol^{-1}}\)
\(\rm{HCl(aq)+NH_{3}·H_{2}O(aq)=H_{2}O(l)+NH_{4}Cl(aq)}\) \(\rm{ΔH=-Q_{3}kJ·mol^{-1}}\)
\(\rm{CH_{3}COOH(aq)+NH_{3}·H_{2}O(aq)=H_{2}O(l)+CH_{3}COONH_{4}(aq)}\) \(\rm{ΔH=-Q_{4}kJ·mol^{-1}}\)
上述均是在溶液中进行的反应,\(\rm{Q_{1}}\)、\(\rm{Q_{2}}\)的关系正确的是\(\rm{(}\) \(\rm{)}\)