What Is Vapour Density In Chemistry Apr 19 2021 nbsp 0183 32 IMHO usage of the term vapour is context dependent and is used for gas in context of liquid evaporation condensation or equilibrium So atmospheric CO2 is not considered vapour even if it is below its critical point OTOH atmospheric gaseous water is considerer vapour as out is related to water evaporation and condensation
Nov 23 2006 nbsp 0183 32 Steam is the technical term for the gaseous or vapor form of water that is created through boiling of liquid water Vapor is the general term for the gaseous form of any element or compound May 4 2023 nbsp 0183 32 I think that you forget about molecules re entering the liquid from the vapour Eventually the vapour will come into equilibrium with its liquid and so the rate of leaving the liquid and the rate of colliding with the liquid surface and so re entering become equal When this happens the vapour pressure becomes constant
What Is Vapour Density In Chemistry
What Is Vapour Density In Chemistry
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Aug 4 2015 nbsp 0183 32 I need clarity on saturated vapour pressure in a closed system at equilibrium How does saturated vapour pressure relate to vapour pressure Jul 16 2017 nbsp 0183 32 Wikipedia has quot vapour density molar mass of gas molar mass of H2 quot and I m not sure whether a mixture has a defined molar mass The same source states that vapour density is sometimes based on the density of air rather than dihydrogen gas to assess whether certain gases collect on the floor or ceiling of a room when released
Gas Vapour Jan 5 2015 nbsp 0183 32 However this is I believe the only textbook which gives this explanation for lowering in vapour pressure on adding a non volatile solute The other reputed textbooks I ve read like Zumdahl and NCERT Grade XII Chemistry all give the explanation that CTCS calls a quot common misconception quot So which explanation is correct
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They are talking about a pure liquid and and a gas composed of two or more chemical components one of which the same vapor as the pure liquid and the rest of which are non condensible So the total pressure is gt the equilibrium vapor pressure of the pure liquid The corruption they are obtaining is the so called Poynting correction Oct 6 2020 nbsp 0183 32 For ideal gas vapour behaviour the vapour density is the ratio of its density and of the density of hydrogen at the same conditions There for assumption of vapour ideal gas begaviour quot vapour density quot does not depend either on temperature either on pressure
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