胶体与表面化学试题

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1、一、是非题1.表面超量的英文具体描述：Thesurfaceexcessofsoluteisthatthenumberofmolesofsoluteinthesamplefromthesurfaceminusthenumberofmolesofsoluteinthesamplefromthebulkunderaconditionofthesamequantityofsolventorthesurfaceexcessofsolventhasbeenchosentobezero.2.囊泡的形成途径：Thefina

2、lsurfactantstructuresweconsiderasmodelsforbiologicalmembranesarevesicles.Thesearcsphericalorellipsoidalparticlesformedbyenclosingavolumeofaqueoussolutioninasurfactantbilayer.Vesiclesmaybeformedfromsyntheticsurfactantsaswell.3.絮凝与聚焦之间的区别：Coalescence：theproc

3、essthatmanysmallparticlestaketogethertoformanewbigparticle,totalsurfaceareaofthedispersionsystemdecreases.Aggregation:theprocessbywhichsmallparticlesclumptogetherlikeabunchofgrapes（anaggregate）,butdonotfuseintoanewparticle，totalsurfaceareaofthedispersionsy

4、stemdonotdecreaseaswell.4.胶micelle：Amonophasic,fluid，transparent,isotropicandthermodynamicallystablesystemcomposedbysurfactantandwater，theparticlehassomelineardimensionbetween109-10"6m.5•乳液emulsion：Amultiphasic，no-transparentandthermodynamicallyunstablesys

5、temcomposedbysurfactant，cosurfactant，oilandwater.6•微乳液microemulsion:Amonophasic，fluid，transparent，isotropicandthermodynamicallystablesystemcomposedbysurfactant，cosurfactant,oilandwater.7.囊泡vesicle:能不能直接从双联续制备转换过来？（a/）8.憎水溶胶亲水溶胶连续相与分散扣有没有明显界限？（没有）9.胶朿体系的稳定性

6、与哪些因素有关？与哪些因素无关？10.瑞利散射：条件粒子人小11.表而吸附超物理意义溶剂的兌是不是都为零？（x）12.TEM、SEM都需要把样品放入真空屮，最后结果都可以表明原来分散度。（x）13.在Langmuir膜、LB膜单层理想气体方程式；能否用理想气体乂系式描述？（能）二、多项选择题1.表面吉布斯ft由能：TheGibbsequation:multicomponentsystemsG=Vdp-SdT+IjL/.dn,+AdyFromGibbs-Duhenequation:[pidni=0注：G=Ga

7、+Gfi+GS；G=E+pV—TS+〉；iGs=ES^yA-TSs;■IdG=（dE+pdV+Vdp-TdS-SdT+打,*）+Ady+}dA；（X扎S'•IdG=X（Vdp-SdT+EaA+SV/A_和醐.Pv）+Ady+jdA•’Gift's/idG=（Vdp-SdT+^pidni+z/'yZ//'.）+Ad/；a扎siidG=Vdp-SdT+^/nidni1.儿个半径之间的相互关系：MartinDiamctcr

8、urfaceAverageDiameter(ds)