A、C+O<sub>2sub>=CO<sub>2sub> B、CO<sub>2sub>+C=2CO<sub>2sub> C、2CO<sub>2sub>+O<sub>2sub>=2CO<sub>2sub> D、2CO=CO<sub>2sub>+C
A、C+O<sub>2sub>=CO<sub>2sub> B、CO<sub>2sub>+C=2CO<sub>2sub> C、2CO<sub>2sub>+O<sub>2sub>=2CO<sub>2sub> D、2CO=CO<sub>2sub>+C
A、CH<sub>4sub>+2O<sub>2sub>=2H<sub>2sub>O+CO<sub>2sub> B、2CH<sub>4sub>+3O<sub>2sub>=4H<sub>2sub>O+2CO C、CH<sub>4sub>+O<sub>2sub>=H<sub>2sub>O+CO<sub>2sub> D、CH<sub>4sub>+O<sub>2sub>=H<sub>2sub>O+CO
A、CO+H<sub>2sub>S→COS+H<sub>2sub> B、2CO+H<sub>2sub>S→2COS+H<sub>2sub>O C、CO+S→COS D、CO+2S→2COS
A、2NO<sub>2sub>⇆N<sub>2sub>O<sub>4sub>(正反应为放热反应) B、C(s)+CO<sub>2sub>⇆2CO(正反应为吸热反应) C、N<sub>2sub>+3H<sub>2sub>⇆2NH<sub>3sub>(正反应为放热反应) D、H<sub>2sub>S⇆H<sub>2sub>+S(s)(正反应为吸热反应)
A、CO<sub>2sub>+H<sub>2sub>S→CS<sub>2sub>+2H<sub>2sub>O B、CO<sub>2sub>+2S→CS<sub>2sub>+O<sub>2sub> C、CO<sub>2sub>+2H<sub>2sub>S→CS<sub>2sub>+H<sub>2sub>O D、CO<sub>2sub>+2H<sub>2sub>S→CS<sub>2sub>+2H<sub>2sub>O
A、C+O<sub>2sub>=CO<sub>2sub> B、C+O<sub>2sub>=CO C、CO+H<sub>2sub>O=CO<sub>2sub>+H<sub>2sub> D、C+H<sub>2sub>O=CO+H<sub>2sub>
A、C+O<sub>2sub>→CO<sub>2sub>+Q,C+O<sub>2sub>→CO+Q B、CO<sub>2sub>+C→CO-Q,CO+H<sub>2sub>→CH<sub>4sub>+H<sub>2sub>O+Q. C、C+O<sub>2sub>→CO+Q,C+H<sub>2sub>O→CO+H<sub>2sub>-Q D、CO<sub>2sub>+C→CO-Q,C+H<sub>2sub>O→CO+H<sub>2sub>-Q
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)