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Print/export Download as PDF; Printable version; In other projects Wikidata item; Appearance. move to sidebar hide ... (atm) (Torr) (lbf/in 2) 1 Pa — 1 Pa = 10 −5 bar
The torr (symbol: Torr) is a unit of pressure based on an absolute scale, defined as exactly 1 / 760 of a standard atmosphere (101325 Pa). Thus one torr is exactly 101325 / 760 pascals (≈ 133.32 Pa).
This list is sorted by boiling point of gases in ascending order, but can be sorted on different values. "sub" and "triple" refer to the sublimation point and the triple point, which are given in the case of a substance that sublimes at 1 atm; "dec" refers to decomposition. "~" means approximately. Blue type items have an article available by ...
A torr is a similar unit defined as exactly 1/760 of a standard atmosphere (1 atm = 101 325 Pa), i.e. 133.322 368 421 … pascals. 1 Torr = 1 / 760 atm = 101 325 / 760 Pa = 133.322 368 421 … Pa. The torr is about one part in seven million or 0.000 015 % smaller than the millimetre of mercury, [8] which is below the precision ...
The standard atmosphere was originally defined as the pressure exerted by a 760 mm column of mercury at 0 °C (32 °F) and standard gravity (g n = 9.806 65 m/s 2). [2] It was used as a reference condition for physical and chemical properties, and the definition of the centigrade temperature scale set 100 °C as the boiling point of water at this pressure.
The laws describing the behaviour of gases under fixed pressure, volume, amount of gas, and absolute temperature conditions are called gas laws.The basic gas laws were discovered by the end of the 18th century when scientists found out that relationships between pressure, volume and temperature of a sample of gas could be obtained which would hold to approximation for all gases.