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

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Page 40

We suppose that the gas is in equilibrium and that it is confined within a box in

the shape of a rectangular parallelepiped having a volume V. The number of

molecules per

box ...

We suppose that the gas is in equilibrium and that it is confined within a box in

the shape of a rectangular parallelepiped having a volume V. The number of

molecules per

**unit volume**is conveniently denotedt by n = N/V. The edges of thebox ...

Page 326

8.5 Momentum transport by molecules crossing a plane. is merely equal to {the

net momentum gain per unit time of the gas above ... If there are n molecules per

8.5 Momentum transport by molecules crossing a plane. is merely equal to {the

net momentum gain per unit time of the gas above ... If there are n molecules per

**unit volume**, onethird of them have velocities predominantly along the z direction.Page 335

Let n1 be the mean number of labeled molecules per

equilibrium situation the labeled molecules would be distributed uniformly

throughout the available volume, so that ni is independent of position. Suppose,

however, that ...

Let n1 be the mean number of labeled molecules per

**unit volume**. In anequilibrium situation the labeled molecules would be distributed uniformly

throughout the available volume, so that ni is independent of position. Suppose,

however, that ...

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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