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Wikipedia.org
Water vapor (Wikipedia.org)

Water vapor
Systematic name Water Vapor
Liquid State Water
Solid state Ice
Properties
Melting point 0 °C
Boiling point 100 °C
individual gas constant 461.5 J/(kg·K)
latent heat of evaporation 2.27 MJ/kg
molecular weight 18.02 g/mol
specific heat capacity 1.84 kJ/(kg·K)

Water vapor or water vapour (see spelling differences), also aqueous vapor, is the gas phase of water. Water vapor is one state of the water cycle within the hydrosphere. Water vapor can be produced from the evaporation of liquid water or from the sublimation of ice. Under normal atmospheric conditions, water vapor is continuously generated by evaporation and removed by condensation.

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In this program, experiments and demonstrations with household items demonstrate the principles of weather. Discover fun and easy ways to make a barometer, measure dew point temperature, make a cloud ...
19m 29s |
a year ago
HowStuffWorks
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A battery powered cigarette works by replacing smoke with water vapor. It's odorless and smoke-free. (Dec 13)
a year ago
KRLD NewsRadio 1080
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Clouds are formed when water vapor is cooled to form tiny water droplets.Have you ever wondered how clouds form? Clouds are formed when water vapor is cooled enough to form tiny water droplets. This ...
2 years ago
Steve Spangler Science
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Microchip makers forced to consider other materials; the effect of "open access" -- free and unrestricted access to scientific publications -- on citation statistics; and accounting for water vapor ...
9 months ago
Science Mag
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DigInfo - http://movie.diginfo.tv In a bid to counter the negative impacts resulting from the so-called "heat island" phenomenon, Ikeuchi is pursuing the development of cleaning systems that employ a ...
2m 18s |
a year ago
YouTube
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Water vapor condenses out of the air as shock and expansion waves form over the aircraft when it reaches the speed of sound
0m 9s |
2 years ago
MySpace
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Informative video about InLife Electronic Cigarettes. The devices are state of the art devices that simulate the sensation of smoking. Water vapor is used to replace harmful tobacco smoke. The vapor ...
3m 10s |
8 months ago
MetaCafe
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Dec. 13 - A battery powered cigarette works by replacing smoke with water vapor. It's odorless and smoke-free.
a year ago
AT&T
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