794 



SMITHSONIAN PHYSICAL TABLES 



Centigrade temperature scale, 8 



Centipoise, 318 



Centistoke, 321 



Cgs, 15 



Chain (Gunter), 62 



Chain reaction, 653 



Charcoal: 



adsorbing power, 632 

 activation, 632 

 increased by treatment, 632 

 heats of, 632 

 gases, 633 

 vapors, 632 

 physical properties, 632 

 types of, 632 

 Charge, electron, 47 

 hydrogen atom, 49 

 rain, 615 

 snow, 615 

 unit, 10 

 Chemical composition, earth, 626 

 meteors, 626 

 sun (atmosphere), 627 

 Chemical energy data, 185 

 Circular area, 4 

 Circular functions, 32 

 Circular inch, 4 

 Coal, 181 

 analysis, 181 



heats of combustion, 181 

 Coefficient of thermal expansion, 8 

 Colloids, 630 



bond energies, 633 

 Brownian movement, 630 

 charcoals, adsorbing power, 632 

 effect of activation, 632 

 heats of adsorption, gases, 633 

 vapors, 632 

 dimensions, 630 



dusts, explosion limits, lower, 634 

 explosion pressures, 634 

 ignition temperatures, 634 

 particle size, 630 

 propagation temperature, 634 

 field, 630 



heat of sorption, 632 

 particle size, 630 

 dusts, 630 



influence of solubility, 631 

 protein molecules, 631 

 properties due to, 630, 631 

 solubility, 631 

 proteins: characteristics, 631 

 molecules, 631 

 pH stability range, 634 

 spreading coefficients, organic liquids, 633 

 types, 630 

 Color, equation, 729 

 index, 729 



of light emitted by various sources, 103 

 screens, 535 

 temperature, 8 



blue brightness and candlepower, vari- 

 ous materials, 104 

 illuminants, 104 

 materials, various, 103, 104 



Color — continued 



minus brightness temperature, carbon, 

 104 

 Combustion, constants (some substances), 

 179 

 flame temperatures, 179 

 heats of, carbon, 179, 180 

 carbon compounds, 179 

 coals, 181 

 gases, 182 

 liquid fuels, 181 

 miscellaneous compounds, 180 

 peat, 181 

 petroleum (crude), 182 



various sources, 182 

 solids, 181 

 sugars, 182 

 values, fuels, 181 

 woods, 181 

 Common units of measurement, spelling and 



abbreviations, 56 

 Compressibility: ammonia, 266 

 carbon dioxide, 261 

 compounds, 286 

 crystals, 287 

 elements, 285 

 ether, 282 

 gases, 267 



low temperature, 264 

 under high pressure, 265 

 glasses, 288, 289 

 liquids, 282 

 mercury, 282 



metals, high pressure, 286 

 petroleum oils, 284 

 quartz, 288 

 rocks, 288 

 rubber, 235, 237 

 solids, 283 

 sulfur dioxide, 266 

 water, 283 

 Compton effect, 49, 52, 55 

 Concrete (see Building materials) 

 Conductance, 11, 12 

 electrolytic, 397 



temperature effects, 397 

 Conduction (see also Thermal conduction) : 

 gases, 115 

 heat across air space, 114 

 high temperature, 115 

 Conductivity (see also Resistivity) : acid 

 solutions, 398 

 air, 616 

 alloys, 384, 390 



temperature coefficient, 390 

 bases, solutions, 398 

 calculating, 417 

 dielectrics, 395 

 electrical, 11, 12 

 electrolytic solutions, 397 

 molecular, 398 

 temperature coefficient, 397 

 equivalent vs. temperature, 397 

 ions, 399 



separate, 399 

 solutions: acids, 400 

 bases, 400 

 salts, 400 



