SUBJECT INDEX 



567 



Apparatus for combustion of 

 organic compounds, 391, 

 392, 395 

 of spirit of wine (Lavoisier), 



r 47 



for composition of nitric oxide 

 (Gray), 207 



of water (Dumas), 126 

 for decomposing water by iron 



(Lavoisier), 119 

 for density of oxygen (Morley), 



129 

 for expansion of gases by heat 



(Gay-Lussac), 328, 329 

 for experiments on gases 



(Hales), 85 ; (Priestley), 85 

 for exploding hydrogen and 



oxygen (Cavendish), 115 ; 



(Monge), 120 

 for heating mercury in air 



(Lavoisier), 41 

 for measuring goodness of air 



(Priestley), 75 



for preparing fluorine (Mois- 

 san), 252 



vitriolic acid air (Priestley), 



165 



for proving dissociation of sal- 

 ammoniac, 521 



for separating gas from muri- 

 atic acid (Cavendish), 82 

 for sparking air over mercury 



(Cavendish), 189 

 for studying gases (Mayow), 



33 



for weighing gases (Caven- 

 dish), 68 

 Aqua regia, 14 



fortis, 14 

 Argon, 192 

 Arsenic, atomic weight of, 351, 



355 



Artiads. 442 

 Association, 527 

 Atomic heat of boron, 18 



of carbon, 365 

 Atomic heats, 364 



at high temperatures, 366 

 at low temperatures, 365, 

 366 



Atomics heats, law of, 362 

 of solid elements, 365 

 periodicity of, 471 

 Atomic numbers determined by 



experiment, 487, 491 

 (Newlands), 485, 486 

 Atomic symbols (Berzelius), 295 



(Dalton's), 294 

 Atomic theory, 291 

 (Dalton's), 292 

 Atomic volume curve, 472 

 volumes, periodicity of, 469 

 weight of arsenic, 351, 355 

 of beryllium, 474 

 of carbon, 350 

 of chlorine, 349 

 of hydrogen, 347 

 of indium, 475 

 of mercury, 351 

 of nitrogen, 349 

 of oxygen, 348 

 of phosphorus, 351 

 of sulphur, 350 

 of uranium, 476 

 weights by Cannizzaro's me- 

 thod, 347 



correction of, 473, 476 

 exact, 354 

 of argon and potassium, 476, 



491 

 of cobalt and nickel, 476, 



490 



of metals, 360 

 of tellurium and iodine, 476 

 Atomicity, 433. 

 Atoms, 291 



indestructible, 292 

 positions in space, 441 

 Aurum Fulminans, 58 

 Avogadro constant, 341 

 Avogadro's Hypothesis, 338 

 an approximation, 346 

 Azote, 1 86, 45 



B 



Balanced actions, 124, 498, 503, 



504, 508 

 in gases, 510 



