在同温同压下，下列各组热化学方程式中，\(m{{Q}_{2} > {Q}

在同温同压下，下列各组热化学方程式中，\(\rm{{Q}_{2} > {Q}_{1} }\)的是

A．\(\rm{2{H}_{2}\left(g\right)+{O}_{2}\left(g\right)=2{H}_{2}O\left(g\right)\;\;∆H=-{Q}_{1}kJ/mol }\) \(\rm{2{H}_{2}\left(g\right)+{O}_{2}\left(g\right)=2{H}_{2}O\left(l\right)\;\;∆H=-{Q}_{2}kJ/mol }\)

B．\(\rm{S\left(g\right)+{O}_{2}\left(g\right)=S{O}_{2}\left(g\right)\;\;∆H=-{Q}_{1}kJ/mol }\) \(\rm{S\left(g\right)+{O}_{2}\left(g\right)=S{O}_{2}\left(g\right)\;\;∆H=-{Q}_{2}kJ/mol }\)

C．\(\rm{C\left(s\right)+ \dfrac{1}{2}{O}_{2}\left(g\right)=CO\left(g\right)\;\;∆H=-{Q}_{1}kJ/mol }\) \(\rm{C\left(s\right)+{O}_{2}\left(g\right)=CO\left(g\right)\;\;∆H=-{Q}_{2}kJ/mol }\)

D．\(\rm{{H}_{2}\left(g\right)+C{l}_{2}\left(g\right)=2HCl\left(g\right)\;\;∆H=-{Q}_{1}kJ/mol }\) \(\rm{\dfrac{1}{2}{H}_{2}\left(g\right)+ \dfrac{1}{2}C{l}_{2}\left(g\right)=HCl\left(g\right)\;\;∆H=-{Q}_{2}kJ/mol }\)

【考点】化学反应中的能量转化,用盖斯定律及有关计算

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难度：较易

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