根据不同温度下C在纯Fe和纯Mn熔体中的饱和溶解度数据 ,分别得到C的饱和溶解度与温度的关系式 ,利用两个关系式可以直接计算Fe C Mn和Mn C Fe三元熔体组元的热力学性质 ,同利用C在这两种熔体中的饱和溶解度实验数据计算出的熔体组元的...根据不同温度下C在纯Fe和纯Mn熔体中的饱和溶解度数据 ,分别得到C的饱和溶解度与温度的关系式 ,利用两个关系式可以直接计算Fe C Mn和Mn C Fe三元熔体组元的热力学性质 ,同利用C在这两种熔体中的饱和溶解度实验数据计算出的熔体组元的热力学性质非常接近。展开更多
The emf of cell(A)without liquid junction was determined with 10%mass%urea-water mixed solvent in the temperature range 278.15-318.15K: Pt,H2(101.325KPa) HCl(ml),H2SO4(m2),urea(10%)-H2O AgCl-Ag Then,accordin...The emf of cell(A)without liquid junction was determined with 10%mass%urea-water mixed solvent in the temperature range 278.15-318.15K: Pt,H2(101.325KPa) HCl(ml),H2SO4(m2),urea(10%)-H2O AgCl-Ag Then,according to the emf data of cell,the second dissociation constant K2 of sulfuric acid in the mixed solvent was determined. The thermodynamic quatlities of the second dissociation process of sulfuric acid and the effect of solvent dielectric constant on K2 were discussed.展开更多
文摘The emf of cell(A)without liquid junction was determined with 10%mass%urea-water mixed solvent in the temperature range 278.15-318.15K: Pt,H2(101.325KPa) HCl(ml),H2SO4(m2),urea(10%)-H2O AgCl-Ag Then,according to the emf data of cell,the second dissociation constant K2 of sulfuric acid in the mixed solvent was determined. The thermodynamic quatlities of the second dissociation process of sulfuric acid and the effect of solvent dielectric constant on K2 were discussed.