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Originally Posted by Dunno
I thought that the hotter air was the more vapour it could hold: Cool it (the air)down and the vapour condenses out??
Do you have any literature/links on this? (interesting)
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http://www.shorstmeyer.com/wxfaqs/hu.../humidity.html
http://www.atmos.umd.edu/~stevenb/vapor/
http://www.ems.psu.edu/~fraser/Bad/B...CloudsFAQ.html
http://www.absoluteastronomy.com/enc...ohn_dalton.htm
"
Experimental Essays on the Constitution of Mixed Gases; on the Force of Steam or Vapour from water and other liquids in different temperatures, both in a Torricellian vacuum and in air; on Evaporation; and on the Expansion of Gasses by Heat" John Dalton 1802.
He explained that when two elastic fluids, A and B, are mixed together, there is no mutual repulsion between their particles; that is, A particles do not repel B particles, but a B particle will repel another B. Consequently, the pressure or whole weight of the gas arises solely from its particles. One of his experiments involved the addition of water vapor to dry air. The increase in pressure was the same as the pressure of the added water. He also established a relationship between vapor pressure and temperature.