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Evaporation from large bodies of water, such as tropical seas and lakes is one of the sources of water vapor in the air. Other sources include the natural biological processes of p...

Water vapor


[edit]. Water vapor is lighter or less dense than dry air. At equivalent temperatures it is buoyant with respect to dry air, ...

Water Vapor - Weight in Air - Engineering ToolBox


Weight of water vapor in air. ... Water Vapor in Air (grains<sup>*</sup> water vapor per pound dry air). Relative Humidity (%), Temperature. <sup>o</sup>C. -1, 4, 10, 18, 22, 27, 32, 38.

Relative Humidity - HyperPhysics


The amount of water vapor in the air at any given time is usually less than that required to saturate the air. The relative humidity is the percent of saturation ...

Every so often, I go through my folder of "e-mails that point out something I need to change". Many tables list the gases this way, but I have had to qualify the table for my class, as follows: the table lists the gases that are present in air in fairly CONSTANT compos... More »
By Anne Marie Helmenstine, Ph.D., About.com Guide

ATMOSPHERIC WATER VAPOR - Weather Prediction Education


Water vapor varies by volume in the atmosphere from a trace to about 4%. Therefore, on average, only about 2 to 3% of the molecules in the air are water vapor ...

Water Vapor Capacity of Air - GCC

web.gccaz.edu/~lnewman/gph111/topic_units/Labs_all/Water Vapor Capacity of Air.pdf

Water Vapor Capacity of Air. We are interested in assessing the amount of water vapor in the air. In this exercise, you will be using. Specific humidity, Relative ...

It's Water Vapor, Not the CO2 - American Chemical Society


This is because the temperature of the surrounding atmosphere limits the maximum amount of water vapor the atmosphere can contain. If a volume of air ...

Humidity | UCAR Center for Science Education


Some people describe humid weather as muggy. When the air is humid, it has a lot of water vapor in it. Water as a gas in the atmosphere is called water vapor.

Humidity Fundamentals - Owlstone


At any temperature, water vapor will be present in the air. There is a limit to the amount of water vapor which can exist in equilibrium with the air (the saturation ...

Popular Q&A
Q: What is water vapor in air called?
A: water vapor in the air clouds, fog ,mist Read More »
Source: wiki.answers.com
Q: Is water vapor an air pollutant.
A: No. Water vapor occurs naturally and is harmless, and is needed for precipitation. *. It could be argued both ways. Water vapour is considered a pollutant by pe... Read More »
Source: www.answers.com
Q: How to test the water vapor in air?
A: There are 2 ways: 1) Test with anhydrous copper (II) sulphate Water will change the color of anhydrous copper (II) sulphate from white to blue (hydrated copper ... Read More »
Source: answers.yahoo.com
Q: Is water vapor in air solvent or solute?
A: Solvent = substance that dissolves the solute and is present in the highest amount. Solute = substance that is dissolved in the solvent and is present in the lo... Read More »
Source: wiki.answers.com
Q: Does water vapor in air condense?
A: The temperature at which the water vapor in the air becomes saturated and condensation begins is called the dew point. Check your local weather station for your... Read More »
Source: www.chacha.com