关于N2(g)+2 O2(g) === 2 N02(g) delta H=+67.7 KJ/mol
关于N2(g)+2 O2(g) === 2 N02(g) delta H=+67.7 KJ/mol
已知CO的燃烧热为284 kJ/mol,且N2(g) + O2(g) = 2NO(g)ΔH= +180 kJ/mol;
N2(g)+2O2(g)=2NO2……① △H1=+67.7kJ/mol
2H2(g)+O2(g)=2H2O (l) H=-571.6kj/mol
已知:2H2(g)+O2(g)=2H2O(l) △H=-571.6kj/mol 2h2(g)+O2(g)=2H2O(g)
已知2H2(g)+O2(g)=2H2O(l);△H=-571.6kJ/mol,C3H8(g)+5O2(g)=3CO2(g
2H2(g)+O2(g)==2H2O(g) △H=-571.6kJ/mol
已知下列两个化学方程式:2CO(g)+O2(g)=2CO2(g) △H=-563.6kJ/mol
H2(g)+1/2O2(g)==H2O(g) △H=+242KJ/mol , 2H2(g)+O2(g)==2H2O(g)
2H2(g) + O2 (g) = 2H2O(l) △H = - 571.6 kJ/mol
已知2H2(g)+O2(g)=2H2O(g)△H=-484kj/mol 2H2(g)+O2(g)=2H2O(l)△H=-
已知热化学方程式 C(g)+O2(g)=CO2(g); △H=-393.5kJ/mol H2(g)+1/2O2(g)=h