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=—566.0 kJ/mol |
B.C(s) +1/2O2(g) ==CO(g)△H=—110.5 kJ/mol |
C.CH4(g) +2O2(g)="=" CO2(g)+2H2O(l)△H=—890.31 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.2CO(g) +O2(g) ==2CO2(g)△H=—566.0 kJ/mol |
B.C(s) +1/2O2(g) ==CO(g)△H=—110.5 kJ/mol |
C.CH4(g) +2O2(g)="=" CO2(g)+2H2O(l)△H=—890.31 kJ/mol |
D.2C8H18(l) +25O2(g)==16CO2(g)+18H2O(l)△H=—11036 kJ/mol |