A、SO<sub>2sub>、H<sub>2sub>S、N<sub>2sub>、Cl<sub>2sub> B、SO<sub>2sub>、NO<sub>xsub>、H<sub>2sub>S C、NO<sub>xsub>、CO、Cl<sub>2sub>、SO<sub>2sub> D、SO<sub>2sub>、H<sub>2sub>S、NO<sub>xsub>、Cl<sub>2sub>、O<sub>3sub>
A、SO<sub>2sub>、H<sub>2sub>S、N<sub>2sub>、Cl<sub>2sub> B、SO<sub>2sub>、NO<sub>xsub>、H<sub>2sub>S C、NO<sub>xsub>、CO、Cl<sub>2sub>、SO<sub>2sub> D、SO<sub>2sub>、H<sub>2sub>S、NO<sub>xsub>、Cl<sub>2sub>、O<sub>3sub>
A、2NO<sub>2sub>V46;N<sub>2sub>O<sub>4sub>(正反应为放热反应) B、C(s)+CO<sub>2sub>V46;2CO(正反应为吸热反应) C、N<sub>2sub>+3H<sub>2sub>V46;2NH<sub>3sub>(正反应为放热反应) D、H<sub>2sub>SV46;H<sub>2sub>+S(s)(正反应为吸热反应)
A、CaCO<sub>3sub>(s)=CaO(s)+CO<sub>2sub>(g) B、N<sub>2sub>O<sub>4sub>(g)=2NO<sub>2sub>(g) C、2ZnS(s)+3O<sub>2sub>(g)=2ZnO(s)+2SO<sub>2sub>(g) D、CO(g)+H<sub>2sub>O(g)=CO<sub>2sub>(g)+H<sub>2sub>(g)
A、H<sub>2sub>S B、SO<sub>2sub> C、CO D、NO<sub>2sub> E、CH<sub>4sub>
A、Ag<sub>2sub>O(s) = 2Ag(s) + 1/2O<sub>2sub>(g) B、N<sub>2sub>O<sub>4sub>(g) = 2NO<sub>2sub>(g) C、Fe<sub>2sub>O<sub>3sub>(s) +3/2C(s) = 2Fe(s) +1/2CO<sub>2sub>(g) D、6C(s) + 6H<sub>2sub>O(g) = C<sub>6sub>H<sub>12sub>O<sub>6sub>(s)
A、CH<sub>4sub>+2S<sub>2sub>→CS<sub>2sub>+H<sub>2sub>S B、CH<sub>4sub>+2S<sub>2sub>→CS<sub>2sub>+2H<sub>2sub>S C、CH<sub>4sub>+S<sub>2sub>→CS<sub>2sub>+2H<sub>2sub> D、CH<sub>4sub>+3S<sub>2sub>→CS<sub>2sub>+4H<sub>2sub>S
A、S<sub>1-2sub> B、S<sub>2-3sub> C、S<sub>3-4sub> D、S<sub>4-5sub> E、S<sub>5sub>~S<sub>1sub>
A、Na→Na<sub>2sub>O→NaOH→Na<sub>2sub>CO<sub>3sub> B、N<sub>2sub>→NO→NO<sub>2sub>→HNO<sub>3sub> C、S→SO<sub>3sub>→H<sub>2sub>SO<sub>5sub>→SO<sub>2sub> D、Al→Al<sub>2sub>O<sub>3sub>→Al<sub>3sub>(SO<sub>4sub>)<sub>3sub>→Al(OH)<sub>3sub>
A、Na<sub>2sub>S B、MgSO<sub>4sub> C、NH<sub>4sub>NO<sub>3sub> D、NaOH