参考答案一、单选题1.B2.A3.D4.B5.D6.A7.C8.A9.C10.C11.D12.C13.B14.C15.A二、填空题16.H2(g)1/2O2(g)H2O(l)H-285.8 kJmol-1（或 2H2(g)O2(g)2H2O(l)H-571.6 kJmol-1）NH3(g)+HCl(g)=NH4Cl(s)H-176 kJmol-1 3CO(g)+Fe2O3(s)=2Fe(s)+3CO2(g)H-24.6 kJmol-1 C2H4(g)+3O2(g)=2H2O(l)+2CO2(g)H-1411 kJmol-1 C4H10(l)+13/2O2(g)=4CO2(g)+5H2O(l)H-2900 kJmol-1-290017.0.395 0.395 mol/(Ls)65.8%是18.不移动不变不变19.3 C(NO2)2/C(NO)2C(O2)a BC C
