176kJmol的精选

问题详情：已知：①NH3(g)＋HCl(g)===NH4Cl(s)ΔH1＝－176kJ/mol②NH3(g)NH3(aq)ΔH2＝－35.1kJ/mol③HCl(g)HCl(aq)ΔH3＝－72.3kJ/mol④NH3(aq)＋HCl(aq)===NH4Cl(aq)ΔH4＝－52.3kJ/mol则反应NH4Cl(s)NH4Cl(aq)的ΔH5为         ...