Vapor Density

Vapour density is the density of a vapour in relation to that of hydrogen.May be defined as mass of a certain volume of a substance divided by mass of same volume of hydrogen.vapour density= mass of n molecules of gas/ mass of n molecules of hydrogen by definition molar mass of a gas is the ratio of the mass of one molecule of gas to that of an hydrogen atom under similar conditionsso, vapour density = 1/2 molar mass
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vapor density
n : the density of a gas relative to the density of hydrogen [syn: vapour density]


vapor density
(chem.), the relative weight of gases and vapors as compared with some specific standard, usually hydrogen, but sometimes air. the vapor density of gases and vaporizable substances as compared with hydrogen, when multiplied by two, or when compared with air and multiplied by 28.8, gives the molecular weight...
see vapor

Noun
1. the density of a gas relative to the density of hydrogen
(synonym) vapour density
(hypernym) relative density

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