410 



SUBJECT INDEX 



Conductors, electrolytic, 14 ; metallic, 

 14 384 ; metallic, anisotropic, 402 ; 

 . metallic, influence of treatment on 

 properties of, 402 ; metallic, influence 

 of pressure on, 402; metallic, photo- 

 electric properties of, 402 ; mixed me- 

 tallic and electrolytic, 366 ; variable, 

 399 



Constant, ionization, influence of water on 

 of acids in alcohols, 185 



Critical point, conductance in neighbor- 

 hood of, 167 



Density coefficient of ions, additive nature 

 of 286 coefficient of un-ionized mole- 

 cules, 285 ; of electrolytic solutions, 

 283 of electrolytic solutions, as a 

 function of ionization, 284; of elec- 

 trolytic solutions, according to Heydweil- 

 ler, 284 ; of solutions in acetone, 287 ; 

 of solutions in ethyl alcohol, 287 ; 

 of solutions in methyl alcohol, 287 



Dielectric constant, dependence of ioniza- 

 tion on, 89 ; constant, influence of, on 

 conductance, 16 ; constant, influence 

 of, on constants of conductance equation, 

 90 ; constant, influence of, on ioniza- 

 tion according to Walden, 92 ; con- 

 stant, influence of salts on, 92. 



Diffusion coefficient of electrolytes, 280 ; 

 coefficient of electrolytes, in presence of 

 other electrolytes, 282 ; of electrolytes, 

 280 ; of electrolytes, in presence of 

 other electrolytes, 281 



Dilution law, see Conductance function 



Electricity and matter, 17 ; discrete 

 structure of, 20 



Electrolytes, conductance of, in pure state, 

 15 ; diffusion of, 280 ; equilibria in 

 mixtures of, 218 ; ionization of, 34 ; 

 molecular weight of, in solution, 37 ; 

 principles applicable to mixtures of, 

 220 



Electromotive force and conductance meas- 

 urements compared, 300 ; force of 

 concentration cells, 297, 298 ; force 

 of concentration cells, numerical values, 

 300 ; force of concentration cells, the- 

 ory of, 297 ; force of concentration 

 cells, with mixed electrolytes, 302 



Energy effects in concentration cells with 

 mixed electrolytes, 307 



Equilibria, heterogeneous, 232; homo- 

 geneous ionic, 218 ; hydrolytic, 225 ; 

 hydrolytic, equations of, 225 ; in mix- 

 tures with common ion, 219 



Ethyl alcohol, conductance of CoCl 2 in 

 at different temperatures, 162 



Ethylamine, conductance of solutions in, 

 51 ; conductance of solutions in, at 

 different temperatures, 159 



Faraday's Laws, 19 ; Laws, applicability 

 of, 19; Laws, applicability of, to 

 metal-ammonia solutions, 20 ; Laws, 

 exceptions to, 20 



Fluidity, see also Viscosity ; of mixed 

 solvents, 187 



Formates, conductance of compared with 

 acetates in water, 102 ; solutions of, 

 in formic acid, 101 



Freezing point, comparison of for solu- 

 tions of different salts in water, 232 



Fused salts, applicability of Faraday's Law 

 to, 353 ; salts, conductance and fluid- 

 ity compared, 354 ; salts, conductance 

 or, 353 ; salts, conductance of mix- 

 tures of, 355 ; salts, influence of tem- 

 perature on conductance of, 354 



Gases, conduction in, 13 



Glass, conductance of, 356 ; influence of 

 temperature on conductance of, 357 ; 

 ionization value for, 358 ; speed of 

 ions in, 359 ; transference in, 357 



Graphite, pure, conductance of, 400 



Hall effect, theory of, 407 



Heat effects in concentration cells, 306; 

 of dilution of electrolytes, 305 ; of 

 neutralization of acids and bases, 304 ; 

 of neutralization of acids and bases and 

 ionization constant of water, 304 



Hexane, conductance in, 13, 351 



Hittorf's numbers, see Transference 



Hydration, from transference measurements, 

 198 ; influence of concentration on, 

 201 ; influence of on conductance, 

 201 ; influence of temperature on 125 

 of ions in water, 198, 200 ; rela- 

 tive of ions, 201 



Hydrogen bromide, conductance of methyl 

 alcohol in, 49 ; solubility of in pres- 

 ence of electrolytes, 245 



Hydrolysis, see also Equilibria ; 225 ; 

 at low concentrations in water, 228 ; 

 in phenol, 244 ; influence of, on con- 

 ductance, 228 ; of salts at high tem- 

 peratures, 150 



Insulators, conductance of, 351 



Iodine, conductance of, in sulphur dioxide, 

 322 



Ion, chloride, conductance of, in formic 

 acid, 207 ; complex iodide, 214 ; 

 complex sulphide, 214 ; conductance, 

 independence of nature of other ions, 

 309 ; conductance, of chloride ion with 

 different cations compared, 309 ; con- 

 ductance, of potassium ion of different 

 salts compared, 310 ; hydrogen, as ox- 

 onium complex, 205 ; hydrogen, con- 

 ductance of, in formic acid, 207 ; hy- 

 drogen, in liquid ammonia, 206 - 

 hydrogen, nature of, 205 ; hydroxyl, 

 205 ; product, constancy of for 

 strong electrolytes, 262; pyridonium, 

 conductance of, in pyridine, 208 



Ionic speed, influence of temperature on, 

 124 ; speed, influence of viscosity on, 

 in differetft solvents, 111 



Ionization as a result of compound forma- 

 tion, 322 ; as measured by conduct- 

 ance, 34 ; as related to constitution 

 of electrolyte, 320; constant of am- 

 monia and acetic acid at elevated tem- 

 peratures, 149 ; constant of water, 

 225 ; constant of water and heat of 

 neutralization, 304 ; constant of water 

 at high temperature, 150 ; dependence 

 of, on dielectric constant according to 

 Walden, 92 ; dependence of, on prop- 

 erties of solvent, 88; dependence of, 

 on solvent, 48 ; derived from osmotic 

 and conductance measurements com- 

 pared, 233; factors influencing, 318; 



influence of temperature on in water, 

 150 ; of electrolytes, by freezing point 

 method, 38 ; of salts of organic bases, 

 321 ; values, table of. 35 



Ionizing power as dependent on dielectric 

 constant, 318 ; power of solvents in 

 critical region, 319 ; power of solvent 

 in relation to constitution, 318 



Ions, catalytic action of, 287 ; charge on 



as determined by conditions, 322 ; 

 complex negative, 216 ; complexity of 

 as influenced by temperature, 125 ; 

 dimensions of as calculated by Born and 

 Lorenz. 202 ; dimensions of as de- 

 rived from conductance, 202 ; hydra- 

 tion of, in water ; see Hydration, 198 ; 

 interaction of, with polar molecules, 198 ; 



