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处于汽液平衡和汽固平衡状态下的饱和蒸汽是否可以近似地看成理想气体?包和蒸汽与一般的实际气体及理想气体有什么不同?它们是一种什么关系?这些都是教学中容易混淆和误解的问题。本文将就此进行一些必要的分析和讨论。首先,饱和蒸汽与实际气体及理想气体是一种什么关系?一般地说,在通常的压强(一个或几个大气压)下,各种实际气体都近似地遵守理想气体状态方程。压强越低,近似程度越高。应当说,饱和蒸汽也是一种实际
Whether saturated steam in vapor-liquid equilibrium and vapor-solid equilibrium can be approximated as an ideal gas? What is the difference between bags and steam and general real and ideal gases? What is the relationship between them? These are all easy to teach. Confusion and misunderstandings. This article will carry out some necessary analysis and discussion. First, what is the relationship between saturated steam and actual gas and ideal gas? Generally speaking, under normal pressure (one or several atmospheric pressures), all kinds of actual gases approximately obey the ideal gas state equation. The lower the pressure, the higher the degree of approximation. It should be said that saturated steam is also an actual