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The density of water vapor can vary depending on temperature and pressure. At standard temperature and pressure (STP), the density of water vapor is approximately 0.804 grams per liter (g/L). However, as temperature increases or pressure decreases, the density of water vapor decreases.
Temperature
I would have to say water vapor. Since a desert is very dry with little rain which means no water vapor while a rain forest obviously gets lots of rain. It's also very hot and humid which means lots of water vapor.
ANSWER:Because. That's why. That's my first choice because my second choice is a little longer. Clouds are collections of water vapor, not water. The difference is similar to when you exhale in the cold air, the humidity in your breath can be seen but it is not water. It can make a mirror fog up but cannot fill a glass with liquid. Theres not enough volume because its just vapor. This vapor, when in a large enough quanty can create clouds in the sky. As the humidity level gets higher, there is more water vapor in the air and this can leave little droplets on your windshield. The more dense the vapor becomes, mist and rain develops. The more vapor contained in a cloud allows less light through making it dark on the bottom into what we call a rain cloud.
humidity
Nearly all of the Earth's atmosphere is made up of only five gases: nitrogen, oxygen, water vapor, argon, and carbon dioxide. Several other compounds also are present. Although this CRC table does not list water vapor, air can contain as much as 5% water vapor, more commonly ranging from 1-3%. The 1-5% range places water vapor as the third most common gas.
15 psi
The amount of water vapor in the air.
Cool it. If the water vapor is contained, copper coils are commonly used. In the cloud sense, water vapor is cooled as it rises, like when encountering a mountain range.
Ethanol at 65(degrees) C.
70 kpa
Water vapor falls into that range depending on weather conditions.
R. M. Hardesty has written: 'Measurement of range-resolved water vapor concentration by coherent CO' -- subject(s): Atmospheric Water vapor, Measurement, Optical radar, Water vapor, Atmospheric
Use the Equation of State (EOS) in combination with the Antoine's Equation to determine vapor pressure.
2.90
The 750.6 torr is a red herring. Ignore it, and just look up the vapor pressure of water at 298 K on a steam table.
Calculate the mass in grams of water vapor produced if 3.11 moles of propane is burned