H2(g) + 1/2O2(g) = H2O(g) ,△H=-241.8 KJ/mol,△H怎么算的求大神帮助
H2(g) + 1/2O2(g) = H2O(g) ,△H=-241.8 KJ/mol,△H怎么算的求大神帮助
H2(g) + 1/2O2(g) = H2O(g) ;△H=-241.8 KJ/mol 2H2(g) + O2(g) =
2H2(g)+O2(g)=2H2O(g) △H=-484KJ/mol △H怎么计算
H2(g)+1/2O2(g)==H2O(g) △H=+242KJ/mol , 2H2(g)+O2(g)==2H2O(g)
已知热化学方程式:H2O(g)=H2(g) O2(g) △H= 241.8kJ·mol-1; H2(g) O2(g)=H
已知2H2(g)+O2(g)=2H2O(g)△H=-484kj/mol 2H2(g)+O2(g)=2H2O(l)△H=-
1mol水蒸气转化为液态水放出45KJ,则H2(g)+1/2 O2(g)=H2O(g)△H= kj/mol.氢气的燃烧热
已知下列两个热化学方程:2H2(g) + O2(g) = 2H2O(l) △H=-571.6 kJ/mol
H2(g)的燃烧热△H=_285.8KJ.mol_1,则2H2O(g)=2H2(g)+O2(g)△H=+571.6mol
已知(1)2H2(g)+O2(g)=2H2O(g) △H=-483.6kJ.mol-1
2H2(g) + O2 (g) = 2H2O(l) △H = - 571.6 kJ/mol
已知:2H2(g)+O2(g)=2H2O(l) △H=-571.6kj/mol 2h2(g)+O2(g)=2H2O(g)