Download presentation
Presentation is loading. Please wait.
1
Na(g)+Cl(g)→Na+(g)+Cl -(g)→NaCl(g)
氯化物生成过程的玻恩哈伯循环 ΔfH(NaCl) Na(s)+1/2Cl2(g) NaCl(s) ΔH1 Na(g)+Cl(g)→Na+(g)+Cl -(g)→NaCl(g) ΔH4 ΔH2 ΔH3 E1 （NaCl的离子键键能） ΔfH(NaCl) = ΔH1+ΔH2+ΔH3+ΔH4 = -411 kJ·mol-1
2
Na(g)+Cl(g)→Na+(g)+Cl -(g)→NaCl(g)
ΔfH(NaCl) Na(s)+1/2Cl2(g) NaCl(s) ΔH1 Na(g)+Cl(g)→Na+(g)+Cl -(g)→NaCl(g) ΔH4 ΔH2 ΔH3 ΔH1= △fHθ(Na,g) +△fHθ(Cl,g) = =230 kJ·mol-1
3
Na(g)+Cl(g)→Na+(g)+Cl -(g)→NaCl(g)
ΔfH(NaCl) Na(s)+1/2Cl2(g) NaCl(s) ΔH1 Na(g)+Cl(g)→Na+(g)+Cl -(g)→NaCl(g) ΔH4 ΔH2 ΔH3 ΔH2= I1(Na,g) + E(Cl,g) = =147 kJ·mol-1 电离势 电子亲合势
4
Na(g)+Cl(g)→Na+(g)+Cl -(g)→NaCl(g)
ΔfH(NaCl) Na(s)+1/2Cl2(g) NaCl(s) ΔH1 Na(g)+Cl(g)→Na+(g)+Cl -(g)→NaCl(g) ΔH4 ΔH2 ΔH3 Ei （NaCl的离子键键能）
Similar presentations
