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| Expert | Average Ratings | Expertise |
|---|---|---|
Tom WhitingU.S.
Available
|
I can answer most questions involving general science and engineering, except those involving electronics and computers. My strong points are all the Earth Sciences, especially Meteorology and Astronomy, and any related subjects to Astronomy. My weak point is Electronics Technology. No astrology questions please, or questions about alleged UFO identifications. | |
SpacemanU.S.
On Vacation
returns 02/17/2012 |
My scope of knowledge and experience includes inorganic chemistry, electronics, physics, and other subjects including "Special Access Programs" work. I have worked in various research and development fields for over 26 years. Much of this work has been for large corporations. |
Hi Gail, Water vapor in the air measures from a trace, to up to about 4% maximum, see http://www.theweatherprediction.com/habyhints/40/ Your hygrometer measures specific humidity, not relative humidity
Hi Gail, There is no pressure/temperature change involved like we see with cloud formation outside. As stated earlier, that's really not steam on the bathroom mirror, but rather condensed (liquid droplets)
Hi Karen, The water molecule can also be written HOH which is actually more accurate, so the actual chemical equation is 2 molecules of HOH yields 2 hydrogen diatomic molecules and 1 Oxygen diatomic

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