Definitions for vapour density
This page provides all possible meanings and translations of the word vapour density
vapor density, vapour density(noun)
the density of a gas relative to the density of hydrogen
The ratio of the density of a gas to the density of hydrogen at the same temperature and pressure.
Vapour density is the density of a vapour in relation to that of hydrogen. It 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 Therefore: vapour density = molar mass of gas / molar mass of H2 vapour density = molar mass of gas / 2.016 vapour density = ~½ × molar mass
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"vapour density." Definitions.net. STANDS4 LLC, 2014. Web. 22 Jul 2014. <http://www.definitions.net/definition/vapour density>.