MONTREAL SEPTEMBER FESTIVALS & Montreal EVENTS. Home | Accommodations | Attractions | Restaurants | Shopping & Services | Nightlife | Discover Areas | Site Map | What's New | About Us | Contact Us | Photography Credit | Advertise With Us | Terms Of Use| FranÃ§ais.
From Wikipedia, the free encyclopedia. Vapor 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. vapor density = mass of n molecules of gas / mass of n molecules of hydrogen. Therefore: vapour density = molar mass of gas / molar mass of H 2.
Flammable or combustible liquids with a high vapor. pressure at room temperature are more hazardous than liquids with lower vapor. pressures because they will produce more flammable vapor without heating. 1.7 Vapor Density: The weight of a volume of pure vapor or gas (with no air.