以下反应中,ΔH 1 >ΔH 2的是:
A.S(s)+O2(g) → SO2(g) ΔH1 S(g)+O2(g) → SO2(g) ΔH 2 |
B.2H2(g)+O2(g) → 2H2O(l)ΔH 1 2H2(g)+O2(g) → 2H2O(g)ΔH 2 |
C.NaOH(aq)+HCl(aq) → NaCl(aq)+H2O(l)ΔH 1 NaOH(aq)+CH3COOH(aq) →CH3COONa(aq)+H2O(l)ΔH 2 |
D.H2(g)+F2(g) → 2HF(g)ΔH 1 |
H2(g)+Cl2(g) → 2HCl(g) ΔH 2