Absolute gas constant 69
Absolute temperature 62
Absorption 180
action 262
Adiabatic processes 45 203
Age of Earth 152 159
Aggregation, states of 84 101
Amyl bromide 26
Atoms, vagabond 290
Avogadro’s law 20 25 285
Berthelot’s principle 83 125
Binary electrolytes 127
Black body 182
Black body, radiation of 190 200
Black body, temperature 209
Bohr 278
Boltzmann 197 202 222 228 255 260
Bose 255
Bound energy 81
Boyle’s law 8
Brennflachen 175
Browman movement 247
Bunsen — Henry law 129
Calorie 33
Carnot 43
Carnot’s cycle 72
Cavity radiation 194 274
Chemical affinity 82
Chemical constant 281 289
Clapeyron 89 90
Classical statistics 255
Clausius 51 57 71 89 90 92
Coefficient of compressibility 11
Coefficient of elasticity 10
Coexistent phases 104
Compressibility, negative 15
Condensed phase 100 107
Condition of orthogonality 166
Contact 6
Cooling, law of 150
Critical point 17
Current-filament 261
Cycles 41
Dalton’s law 13 17 18
Debye 292
Degenerate systems 235 247
Degradation of energy 51
Diathermanous media 186 188
Differentials, incomplete 40
Dilute solutions 117—123
Dirac 255
dispersion 246
Distribution of velocities, Maxwell’s 287
Dulong and Petit’s law 293
Effective temperature 209
Einstein 255 279
Element of phase-space 261
Elementary system 235
emission 179 279
Emissivity 176 189
Energy, Principle of 1 28
Enthalpy 108
entropy 57 58 65 227 242
Entropy of ideal gas mixture 111
Equation of state 8
Equilibrium, completely homogeneous 106
Equipartition of energy 267
Equivalent weights 19
Ergodenhypothese 229
Ergodic hypothesis 229
External conductivity 156
Factorial n 238
Fermi 255
Fluctuations 221
Fluctuations, mean square value 246
Focal surfaces 175
Format’s principle 174
Fourier series 164
Free energy 81
frequency 280
Fundamental equation 139
Fundamental point 96
Fundamental temperature 95
Fusion 95
Gas constant 43
Gas mixture 11
Gas thermometer 7
Gay-Lussac’s law 9 20
Gibbs 100 111 265
Gibbs’s heat function 108
Gibbs’s phase rule 106 124 127 128
Gramme molecular weight 5
H 277
Heat conduction, equation of 143
Heat fluctuations at surface of earth 147
Heat of transformation 47 83 116
Heat tone 47 83 116 119
Helmholtz 81
Henry’s law 129
Homogeneous body 33 42
Homogeneous body, radiation of 178
Hydrogen thermometer 7
Ideal gaseous phase 108
Ideal gases 69
Independent components 100
Induced emission 279
Infinitely slow processes 36
| Integrating factor 67
Internal and heat conduction 144
Internal conditions of equilibrium 86
Internal variables 106
Irreversible processes 64
Isobaric 10 47
Isochoric (isosteric) 10 48
Isopiestic 10
Isothermal coefficient of elasticity 10
Isothermal curves 14
Isothermal cycle 73
Isothermal processes 81 118
Joule 32 34 53
Joule and Thomson 36—37 79
Kelvin, Lord 35 152 159
Kirchhoff’s law 183 189
Lagrange’s undetermined multipliers 240
Light-quantum 278
Linde 80
Liouville’s theorem 266 267
Macroscopic view 221
Maxwell’s distribution law 287
Mayer, Robert 46
Mean molar weight 25
Mean square fluctuation 246 268
Microscopic view 221 225
Molar atom 23
Molar number 20
Molar weight 21
Molecule 223 285
Monochromatic radiation 178
Moving mirror 209
Nernst’s heat theorem 228 281 294
Normal energy-spectrum 195
Normal volume 6 8
Offnungsunnkel 176
Orthogonality, condition of 166
Oscillators, simply periodic 264
Ostwald 51 62
Pencil of rays 176
Periodic vibrations 147
Perpetual motion 29 62 53 74
Phase 100
Phase, orbit 266
Phase, rule 106 124 127 128
Phase-space 256
Photon 278
Planck’s constant (h) 277
Poincare’s Recursion Law 259
Porous plug experiment 36—37 79
Pressure of radiation 197
Principle of energy 1 28
probability 58
Proper functions 163
Proper values 163
Quantum statistics 256
Quantum theory 261
Quasi-elastic forces 290
Radiation 173
Radioactive processes 159
Ratio of specific heats 45
Rayleigh’s law of radiation 276 286
Regnault 43 44
Reversible adiabatic relation 68
Reversible processes 64
Rough surfaces 181
Saturation point 16
Scattering 246
Semi-permeable membrane 109 125
Simply periodic oscillators 264
Snell’s law of refraction 181
Solid angle 176
Solid body, characteristic function of 289
Spatial energy-density 177
Specific density 9 21
Specific heat of saturated vapour 92
Specific intensity of radiation 176
Spontaneous emission 279
State, equation of 8 261
Statistical weight 233 262
Stefan — Boltzmann law 202 217 272
Stirling’s formula 239
Strahlenbundel 176
Stream-lines 265
Sum of states 245
Supersaturation 16 94
Temperature 5 6 50 66
Temperature, effective 209
Thermal coefficient of expansion 66
Thermal equilibrium 2
Thermodynamic probability 55 65 222
Thermodynamic weight 55 222
Thermodynamics, first law of 1 28
Thermodynamics, second law of 1 50 52 71 142
Van der Waal’s equation 14
Van’t Hoff’s law 133 134
Vector of heat conduction 140
Velocity of sound 46
Wameleitungskoeffizient 155
Warmetoenung 47 83 115 119
Watt, James 93
Wave-equation 143
Wave-motion 161
White surface 182
Wiedemann and Franz 167
Wiederkehrsatz 259
Wien’s displacement law 206 215 275 278
Zero-point energy 267
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