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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Gas laws ： ウィキペディア英語版 Gas laws ''This article outlines the historical development of the laws describing ideal gases. For a detailed description of the ideal gas laws and their further development, see ideal gas law. The gas laws were developed at the end of the 18th century, when scientists began to realize that relationships between the pressure, volume and temperature of a sample of gas could be obtained which would hold to a good approximation for all gases. Gases behave in a similar way over a wide variety of conditions because they all have molecules which are widely spaced, and the equation of state for an ideal gas is derived from kinetic theory. The earlier gas laws are now considered as special cases of the ideal gas equation, with one or more of the variables held constant. ==Boyle's Law== (詳細はideal gas in a closed system is always constant. It can be verified experimentally using a pressure gauge and a variable volume container. It can also be derived from the kinetic theory of gases: if a container, with a fixed number of molecules inside, is reduced in volume, more molecules will strike a given area of the sides of the container per unit time, causing a greater pressure. As a mathematical equation, Boyle's Law is written as either: :$P\; \backslash propto\; \backslash frac$, or :$PV=k\_1$, or :$P\_1\; V\_1=P\_2\; V\_2\backslash ,$ where ''P'' is the pressure, and ''V'' is the volume of a gas, and ''k''1 is the constant in this equation (and is not the same as the proportionality constants in the other equations below). The statement of Boyle 's law is as follows: The volume of a given mass of a gas is inversely related to the pressure exerted on it at a given temperature and given number of moles. ==Charles' Law== (詳細はabsolute temperature, assuming in a closed system. As a mathematical equation, Charles' Law is written as either: :$V\; \backslash propto\; T\backslash ,$, or :$V/T=k\_2$, or :$V\_1/T\_1=V\_2/T\_2$ where ''V'' is the volume of a gas, ''T'' is the absolute temperature and ''k''2 is a proportionality constant (which is not the same as the proportionality constants in the other equations in this article). 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Gas laws」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.