H1Cl2g的精選

問題詳情： 在298K、100kPa時，已知：2H2O(g)===O2(g)＋2H2(g)ΔH1Cl2(g)＋H2(g)="==2HCl(g)"ΔH22Cl2(g)＋2H2O(g)===4HCl(g)＋O2(g)ΔH3則ΔH3與ΔH1和ΔH2間的關係正確的是()A.ΔH3＝ΔH1－2ΔH2                ...

問題詳情：在298K、100kPa時，已知：2H2O(g)===O2(g)＋2H2(g)ΔH1Cl2(g)＋H2(g)===2HCl(g)ΔH2       2Cl2(g)＋2H2O(g)===4HCl(g)＋O2(g)ΔH3則ΔH3與ΔH1和ΔH2間的關係正確的是A．ΔH3＝ΔH1－ΔH2     B．ΔH3＝ΔH1＋ΔH2C．ΔH3...