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 |
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 |