What is liquid air, where does it exist, & what is liquid used for?

Answer 1

as the name suggests, liquid air, is, well, liquid air

the componants in air, like most things, are liquid if you get them to a temperature below their boiling point

if you get water above 212 degrees F, it is a gas, below 212, it is a liquid

air is liquified industrially, using cryogenic (low temperature) processes and pressure

the various gasses in air are separated from each other as they liquify at different temperatures

liquid nitrogen is used in many industrial processes

liquid oxygen has many applications, including use in rocket engines

argon and other rarer gasses are also removed in the liquification

argon also has industrial uses including welding operations

oxygen and nitrogen, the main componants of air, exist in their liquid and solid forms on cold celestial bodies such as comets and outer planets

the boiling point of nitrogen is about -320 degrees F (-196 C)
get air below -320 degrees F and it will become a liquid

at higher pressures, you don't have to get as cold to make it go from gas to liquid

Answer 2

What Is Liquid Air

Answer 3

Liquid Air is basically a gas thatso much pressure has put one it that turned into a gas. You can get several diffrent gases in this form. Nitrogen for one.
When you compress a gas it becomes so cold that you can freeze things with it. But it doesnt stay liquid long because the gas wants to be in its gas form

Answer 4

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Not for long. Even if it were 70 degrees F it would quickly boil away because the boiling point of water gets less as air pressure gets less. You know water boils at 212F only at sea level. In the mountains it boils at a lower temperature and you have to adjust your cooking, have to boil eggs longer to make hard boiled eggs for example, as a result. On Mars, the air pressure is much lower than on any Earth mountain. Water would boil even if it were colder than 32F. So the result is ice "sublimates" Sublimation is where water changed from a solid (ice) directly to a gas (water vapor) without ever passing through the liquid phase. Now if you had some liquid water in a pressurized container at 70F, and you opened the container, the water would instantly start boiling. And as it boils it is cooling, because it takes energy to change liquid water to water vapor and the energy is carried away by the molecules of the steam. Eventually the remaining water cools to 32F and freezes. I have seen a demonstration of this in a physics class. We put a dish of room temperature water in a vacuum chamber and started the vacuum pump. As the pressure got lower the water started bubbling. Then it suddenly just froze solid. If the vacuum pump kept operating long enough the ice would all vanish as it sublimated into water vapor and got pumped out of the vacuum chamber by the pump. That is what freeze drying is, vacuuming out all the water without using heat. Mars is a freeze dried planet.

Answer 5

liquid air??? I think it's like in the precipritation thingy...I DON'T KNOW I'M DUMB AND MY MAJOR WASN'T IN LIQUID AIR SCIENCE...ASK ME SOMETHING ELSE...

Answer 6

I believe it's oxygen, but don't take my word, for it. It would be used for oxygen machines to help people with lung disease to breath better.