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在“物理化学”中,对于理想气体在自由膨胀时(气体膨胀到真空的称呼)为什么不作外功?各家的说法不一,故有商讨的必要。“当气体向真空膨胀时,它不克服任何阻力,所以也不作任何功”。(华·阿·基列耶夫著,张志炳等译,物理化学教程,上册,第229页);“气体向真空膨胀时对外没有作功,W=0(因为膨胀功没有传递到环境)”。(南京大学物理化学教研组等编,物量化学,上册,第87页;黄子卿著,物理化
In “Physical Chemistry”, ideal gas in the free expansion (gas expansion to the vacuum of the address) Why not make external power? The different opinions, it is necessary to discuss. “When the gas expands to a vacuum, it does not overcome any resistance and so does not do any work.” (Translated by Hua Ya Guilleyev, edited by Zhang Zhibing, physical chemistry course, the first volume, p. 229); "gas to the vacuum expansion of no external work, W = 0 (because the expansion work did not pass to the environment) . (Nanjing University Department of Physical Chemistry teaching series, volume chemistry, the first volume, p. 87; Huang Zi Qing, physical