88.4 Surface adsorption of solution Out-class reading Levine, p 390-397 13.3 thermodynamics of surface 13. 4 surface films on liquids
§8.4 Surface adsorption of solution Out-class reading: Levine, p. 390-397 13.3 thermodynamics of surface 13.4 surface films on liquids
88.4 Surface adsorption of solution 8.4.1 The surface phenomena of solution: Questing Is solution homogeneous? ④③|④(B )(B) B difference in intermolecular interaction Solvent solute Positive/negative adsorption (1)surface adsorption of solution
8.4.1 The surface phenomena of solution: Is solution homogeneous? (1) surface adsorption of solution A A A B A B Solvent A Solute B difference in intermolecular interaction Positive / negative adsorption §8.4 Surface adsorption of solution Questing
单选题1分 设置 Which description is correct? Positive adsorption, higher surface tension Positive adsorption lower surface tension Negative adsorption, higher surface tension 提交
Which description is correct? Positive adsorption, higher surface tension Positive adsorption, lower surface tension. Negative adsorption, higher surface tension. A B C 提交 单选题 1分
88.4 Surface adsorption of solution 8.4.1 The surface phenomena of solution interaction A-B>A-AA-B<A-A Surface concentration Surface tension adsorptio c(mmolL) surface adsorption: the concentration difference between surface and bulk solution The excess surface concentration(1) the concentration difference of solute per unit area in surface layer and in the bulk solution(mol m-2)
interaction A-B > A-A A-B < A-A Surface concentration Surface tension adsorption surface adsorption: the concentration difference between surface and bulk solution. The excess surface concentration (): the concentration difference of solute per unit area in surface layer and in the bulk solution. (mol m-2 ) 8.4.1 The surface phenomena of solution: §8.4 Surface adsorption of solution
88.4 Surface adsorption of solution 8.4.2 Gibbs adsorption isotherm n:+n?+n b B nterface Interphase Interfacial region
interface Interphase Interfacial region S S’ a a’ b b’ 8.4.2 Gibbs adsorption isotherm ni = ni + ni + ni ni = ni − ni − ni i n A = §8.4 Surface adsorption of solution