## Statistical Physics, Volume 5Elementary college physics course for students majoring in science and engineering. |

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Page 82

Frederick Reif. In short, each cross term in (49) vanishes on the average, being

as often positive as negative.

terms (none of which can be negative): (AM)2 = ...

Frederick Reif. In short, each cross term in (49) vanishes on the average, being

as often positive as negative.

**Hence**(50) reduces simply to a sum of squaredterms (none of which can be negative): (AM)2 = ...

Page 104

the order The preceding examples are typical of the quantum-mechanical

description and. Fig. 3.3 A box in the shape of a rectangular parallelepiped with

edge ...

**Hence**the lowest possible energy of the particle in the box is a kinetic energy ofthe order The preceding examples are typical of the quantum-mechanical

description and. Fig. 3.3 A box in the shape of a rectangular parallelepiped with

edge ...

Page 149

between them. (ii) More generally, the initial energies of the systems are such

that B; # 8,'. The systems are then in a rather improbable situation where their

total ...

**Hence**the systems remain in equilibrium and no net exchange of heat occursbetween them. (ii) More generally, the initial energies of the systems are such

that B; # 8,'. The systems are then in a rather improbable situation where their

total ...

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### Contents

Characteristic Features of Macroscopic Systems | 1 |

A I | 2 |

I | 6 |

Copyright | |

26 other sections not shown

### Common terms and phrases

absolute temperature absorbed accessible approximation assume atoms average Avogadro's calculate classical collision Consider constant container corresponding cules denote discussion distribution ensemble entropy equal equilibrium situation equipartition theorem example exchange energy expression external parameters fluctuations function given heat capacity heat Q heat reservoir Hence ideal gas initial internal energy interval isolated system kinetic energy large number left half liquid ln Q macroscopic parameters macroscopic system macrostate magnetic field magnetic moment magnitude mass mean energy mean number mean pressure mean value measured mechanics mole molecular momentum number of molecules occur oscillator particle particular partition phase space piston position possible values Prob quantity quantum numbers quasi-static random relation result simply solid specific heat spin system statistical statistical ensemble statistically independent Suppose thermal contact thermal interaction thermally insulated thermometer tion total energy total magnetic total number unit volume velocity