## Statistical physics, Volume 1 |

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Page 460

The quantity of heat absorbed in a reversible isothermal change of the

area from si to S2 is equal to da Q = TiSa-S*) = -T— (S2-S1). (139.9) ai The sum

of the heat Q and the work R — a(s2— si) for this process is equal, as it should be

, ...

The quantity of heat absorbed in a reversible isothermal change of the

**surface**area from si to S2 is equal to da Q = TiSa-S*) = -T— (S2-S1). (139.9) ai The sum

of the heat Q and the work R — a(s2— si) for this process is equal, as it should be

, ...

Page 465

3re in equilibrium with each other, jui = /jlz whatever the form of the

njjferenuating tt»-is equation with respect to the curvature of the

constant tempera/ture, we find: w18.P1-w28.P2 = 0 (141.5) 24.12). iHIere the

pressure ...

3re in equilibrium with each other, jui = /jlz whatever the form of the

**surface**,njjferenuating tt»-is equation with respect to the curvature of the

**surface**atconstant tempera/ture, we find: w18.P1-w28.P2 = 0 (141.5) 24.12). iHIere the

pressure ...

Page 472

Three

directed towards the interior of the

corresponding bodies. Let 6 be the angle between the

the plane ...

Three

**surface**tension forces act on the line of contact of the three bodies, eachdirected towards the interior of the

**surface**of separation between the twocorresponding bodies. Let 6 be the angle between the

**surface**of the liquid andthe plane ...

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### Contents

THE BASIC PRINCIPLES OF STATISTICAL PHYSICS 1 Statistical distribution | 1 |

Statistical independence | 5 |

Liouvilles theorem | 9 |

Copyright | |

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### Common terms and phrases

adiabatic adiabatic process angular momentum assume atoms axis Boltzmann Bose gas Bravais lattice calculate chemical constant chemical potential classical statistics closed system coefficient condition consider const corresponding critical point crystal curve degrees of freedom denote density derivative determined differentials distribution function electron element energy levels entropy equal equation expansion expression external fact Fermi Fermi gas fluctuations formula free energy frequency gases Gibbs distribution given Hence identical integral interaction kinetic energy liquid macroscopic body matrix maximum mean value molecule motion normalisation number of particles obtain oscillations partition function perfect gas phase space phase transition phonons pressure properties Quantum Mechanics relation result rotation second-order solid solution specific heat spectrum spin statistical weight substance Substituting subsystem surface symmetry thermodynamic potential thermodynamic quantities total number transition point vanish vapour variables vector velocity vibrational volume wave functions zero