下列热化学方程式中△H表示可燃物燃烧热的是
A.C(s) + 1/2 O2(g) = CO(g) △H= -110.5 kJ/mol |
B.2H2(g) + O2(g) = 2H2O(l) △H= -571.6kJ/mol |
C.CH4(g) + 2O2(g) = CO2(g) + 2H2O(g) △H=-802.3kJ/mol |
D.CO(g) + 1/2 O2(g) = CO2(g) △H= -283.0kJ/mol |
下列热化学方程式中△H表示可燃物燃烧热的是
A.C(s) + 1/2 O2(g) = CO(g) △H= -110.5 kJ/mol |
B.2H2(g) + O2(g) = 2H2O(l) △H= -571.6kJ/mol |
C.CH4(g) + 2O2(g) = CO2(g) + 2H2O(g) △H=-802.3kJ/mol |
D.CO(g) + 1/2 O2(g) = CO2(g) △H= -283.0kJ/mol |