• 2022-06-14
    已知下列四个反应的△rHmθ298,其中液态水的标准生成热是:()
    A: 2H(g)+O(g)=HO(g)          △H
    B: H(g)+1/2O(g)= HO(1)     △H
    C: H(g)+1/2O(g)= HO(g)     △H
    D: H(g)+ O(g)= HO(1)        △H