已知：\(m{2CO(g)+O_{2}(g)= 2CO_{2}(g)\triangle H=-566kJ⋅mol^{-1}}\) \(m{N_{2}(g)+O_{2}(g)= 2NO(g)\triangle H=+180kJ⋅mol^{-1}}\) 则\(m{2CO(g)+2NO(g)= N_{2}(g)+2CO_{2}(g)}\)的\(m{\triangle H}\)是\(m{(}\)　　\(m{)}\) --优优班--学霸训练营

已知：\(\rm{2CO(g)+O_{2}(g)= 2CO_{2}(g)\triangle H=-566kJ⋅mol^{-1}}\)
\(\rm{N_{2}(g)+O_{2}(g)= 2NO(g)\triangle H=+180kJ⋅mol^{-1}}\)
则\(\rm{2CO(g)+2NO(g)= N_{2}(g)+2CO_{2}(g)}\)的\(\rm{\triangle H}\)是\(\rm{(}\)　　\(\rm{)}\)

A．\(\rm{-386kJ⋅mol^{-1}}\)

B．\(\rm{+386}\) \(\rm{kJ⋅mol^{-1}}\)

C．\(\rm{-746}\) \(\rm{kJ⋅mol^{-1}}\)

D．\(\rm{+746}\) \(\rm{kJ⋅mol^{-1}}\)

【考点】用盖斯定律及有关计算

【分析】请登陆后查看

【解答】请登陆后查看

难度：易

收藏试题篮