PHYSICAL CHEMISTRY IN BRIEF

CHAP. 10: TRANSPORT PROCESSES [CONTENTS] 341 In dilute solutions of componentiin solutejthe diffusion coefficient may be estimat ...

CHAP. 10: TRANSPORT PROCESSES [CONTENTS] 342 10.4.5 Thermal diffusion Let us consider a mixture of gases in a system with a temp ...

CHAP. 10: TRANSPORT PROCESSES [CONTENTS] 343 10.5 Kinetic theory of transport processes in dilute gases Kinetic theory views tra ...

CHAP. 10: TRANSPORT PROCESSES [CONTENTS] 344 Note: In literature, we may sometimes encounter the term “Kinetic theory of an idea ...

CHAP. 10: TRANSPORT PROCESSES [CONTENTS] 345 10.5.4 Transport quantities for the hard spheres model For viscosity at low pressur ...

CHAP. 10: TRANSPORT PROCESSES [CONTENTS] 346 10.5.5 Knudsen region The relation (10.18) for the mean free path can be rewritten ...

CHAP. 11: ELECTROCHEMISTRY [CONTENTS] 347 Chapter 11 Electrochemistry Electrochemistry is part of physical chemistry focused on ...

CHAP. 11: ELECTROCHEMISTRY [CONTENTS] 348 11.1.2 Electrolytes and ions Electrolytes are chemical substances which are present in ...

CHAP. 11: ELECTROCHEMISTRY [CONTENTS] 349 S Symbols:When writing chemical equations we will use the symbol “→” to indicate compl ...

CHAP. 11: ELECTROCHEMISTRY [CONTENTS] 350 trality. Every part of a system also stays electroneutral, which is called thelocal co ...

CHAP. 11: ELECTROCHEMISTRY [CONTENTS] 351 Example The initial concentration of acetic acid was 1 mol dm−^3. Part of the molecule ...

CHAP. 11: ELECTROCHEMISTRY [CONTENTS] 352 Theanodeis an electrode at which oxidation proceeds.Oxidationin this context means a r ...

CHAP. 11: ELECTROCHEMISTRY [CONTENTS] 353 11.2 Electrolysis During electrolysis, the anode carries a positive charge and the cat ...

CHAP. 11: ELECTROCHEMISTRY [CONTENTS] 354 Example During electrolytic refining of copper, raw copper forms the anode and an aque ...

CHAP. 11: ELECTROCHEMISTRY [CONTENTS] 355 When we are interested in finding the total massmof substance Kν+Aν−used up at the ele ...

CHAP. 11: ELECTROCHEMISTRY [CONTENTS] 356 Solution a) We calculate the mass of discharged aluminium from relation (11.8) mAl= 27 ...

CHAP. 11: ELECTROCHEMISTRY [CONTENTS] 357 Example (Acidified) water is electrolyzed in a coulometry monitor for explosive gas. T ...

CHAP. 11: ELECTROCHEMISTRY [CONTENTS] 358 The amount of the transported charge relates to the velocity with which the ions trave ...

CHAP. 11: ELECTROCHEMISTRY [CONTENTS] 359 11.2.6 Hittorf method of determining transport numbers The Hittorf method of determini ...

CHAP. 11: ELECTROCHEMISTRY [CONTENTS] 360 Example During the electrolysis of HCl, the chargeQ= 1F passes through the system. The ...