INDEX 



803 



Fundamental units (see under Units) 

 Fusion, latent heats of, 157 



alloys, 165 



metals, 165 



substances, various, 165 



Gage pressure to atmospheres, 267 

 Gages, wire, 405 

 Gal, 5 



Galvanometric effects (see under Magnetic) 

 Gamma (photography), 562 

 Gamma infinity (photography), 562 

 Gamma-rays, 653, 686-688 

 absorption, mass, 687 

 characteristics of, 672, 687, 688 

 energy, of artificial radioactive isotopes, 

 low atomic weight, 687 

 of heavy isotopes, 686 

 artificial, 686 

 natural, 686 

 to produce ion pair, 711 

 ionization energy, 672 

 mass absorption, 687 



various elements, 687 

 spectrum, radioactive breakdowns, 686 



Thorium "C," 686 

 total mass absorption coefficient, 687 

 Gas, absorption by liquids, 360 

 abundance, cosmic, 626 

 combustion values, 182 

 compressibility (various gases and va- 

 pors), 264 

 low temperature, 264 

 under high pressure, 267 

 conduction of heat by, 115 

 conductivity, thermal, 142 

 constant, 49, 259 

 convection of heat by, 115 

 critical points, 276 

 definition of laws, 259 

 densities, 163 

 critical, 276 

 dielectric constant, 423 

 liquefied gases, 426 

 nonpolar, 436 



variation, with pressure, 424 

 with temperature, 424 

 diffusion cqefficient, 356, 644 



neutral gases, 644 

 energy, 259 

 fuels, 182 



heat, absorption, 633 

 capacity, 164 

 combustion, 182 

 helium, 260, 261 

 hydrogen, 260, 261, 268 



ideal gas state, 638 

 ideal, 261 



in interstellar space, 629 

 inert, atomic volume, 646 

 infrared transmission, 546 

 ions (see also Ions), diffusion coefficient, 



644 

 Joule-Thompson effect, 278 

 kinetic theory, 638 

 calculations, 638-642 

 collision frequencies, 641 



Gas, kinetic theory — continued 

 discussion, 638 

 incidences, ratios of, 640 

 mass, 640 



mean free path, 641 

 molecular, 640 

 diameters, 638 

 energies, 639 

 mass, 640 



mean free path, 638 

 number, 638 

 velocities, 639, 640 

 average, 639 

 distribution law, 639 

 pressure, units, 638 

 laws, 259 

 simple, 259 

 value of R, 259 



different conditions, 259 

 units, 259 

 long-wavelength absorption, 532 

 mean free path, 641 

 mixtures, 259 



ignition temperature, 186 

 mobility, of positive ions, 644 

 of singly charged ions, 645 

 mol, 6, 259 

 molecules: 

 - diameters, 638, 644 



attractive spheres, 644 

 Bragg, 645 

 number per cm 3 , 638 

 velocities, 639 

 neon, 262, 264 

 perfect, 261 



volume, 47, 54 

 pressure, 268 

 critical, 276 

 high, 260 

 temperature, 263 

 Van der Waal's equation, 261 



constants, 262 

 volume, 261 

 with vapors, 260 

 properties, 259 

 saturated, 263 



correcting factor, 263 

 temperature, critical, 276 

 thermal expansion, 154 

 thermal properties, 259 

 Van der Waal's equation, 261 



constants of (imperfect gases), 262 

 velocity of sound in, 306 

 Verdet's constant, 506 

 viscosity, 331, 642 



liquefied gases, 329 

 volume: 



conversion, 259, 260 



factor (Z), 260 

 correction factor, 260 



saturated gas, 263 

 ideal gas, 47, 54 

 inert gas atoms, 646 

 pressure relations, 263. 265 

 relative with pressure, 263-267 

 weight, 259 

 Gasoline, density, 322 

 viscosity, 322 



