摘要:11.下列热化学方程式中.能正确表示物质的燃烧热的热化学方程式的是 ( ) A.CO(g)+1/2O2(g)=CO2(g),△H=-283.0kJ/mol B.C(s)+1/2O2,△H=-110.5kJ/mol C.H2(g)+1/2O2(g)=H2O(g),△H=-241.8kJ/mol D.2C8H18(g)+25O2(g)=16CO2(g)+18H2O(1),△H=-11036kJ/mol
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下列热化学方程式中,能正确表示物质的燃烧热的热化学方程式的是 ( )
A.CO(g)+1/2O2(g)=CO2(g);△H=-283.0kJ/mol
B.C(s)+1/2O2(g)=CO(g);△H=-110.5kJ/mol
C.H2(g)+1/2O2(g)=H2O(g);△H=-241.8kJ/mol
D.2C8H18(g)+25O2(g)=16CO2(g)+18H2O(1);△H=-11036kJ/mol
查看习题详情和答案>>下列热化学方程式中,△H能正确表示物质的燃烧热的是( )
| A、2CO(g)+O2(g)═2CO2(g)△H=-566.0kJ/mol | ||
B、C(s)+
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| C、CH4(g)+2O2(g)═CO2(g)+2H2O(l)△H=-890.31kJ/mol | ||
| D、2C8H18(l)+25O2(g)═16CO2(g)+18H2O(l)△H=-11036kJ/mol |
下列热化学方程式中,ΔH能正确表示物质的燃烧热的是
A.CO(g)+1/2O2(g)====CO2(g) ΔH=-283.0 kJ·mol-1
B.C(s)+1/2O2(g)====CO(g) ΔH=-110.5 kJ·mol-1
C.H2(g)+1/2O2(g)====H2O(g) ΔH=-241.8 kJ·mol-1
D.2C8H18(l)+25O2(g)====16CO2(g)+18 H2O(l) ΔH=-11 036 kJ·mol-1
查看习题详情和答案>>下列热化学方程式中,△H能正确表示物质的燃烧热的是
| A.CO(g) +1/2O2(g) ==CO2(g); △H=-283.0 kJ/mol |
| B.C(s) +1/2O2(g) ="=CO(g);" △H=-110.5 kJ/mol |
| C.H2(g) +1/2O2(g)==H2O(g); △H=-241.8 kJ/mol |
| D.2C8H18(l) +25O2(g)==16CO2(g)+18H2O(l); △H=-11036 kJ/mol |