Well, it depends which gas you are talking about.
Water vapor in the air condenses into liquid water when the air is cooled below its dew point temperature, which is the temperature at which the air becomes saturated and can no longer hold all the moisture it contains as vapor. This causes the water vapor to turn into liquid droplets, forming clouds, fog, or dew.
Any liquid can turn into a solid at the correct temperature.
Do you mean at what temperature does air turn into a liquid or at what temperature does water condense out of the air?If the latter then air itself has not water in it and thus can never turn into water. It's the moisture (water vapor) in the air that will condense out of the air and turn into a liquid. This begins to occur at the dew point which depends on the how much moisture there is in the first place (humidity), the pressure, and the temperature. For example, current conditions where I am: Temp = 74 F, Pressure = 29.97 inches, Relative Humidity = 44%, dew point = 51 F. So this means that if we keep the pressure constant and drop the temperature to 51 F, water will begin to condense out of the air.If the former then, that's harder (for me anyway to answer). Usually the air is compressed AND cooled. At atmospheric pressure, the temperature would need to be extremely low for liquification. Nitrogen has a boiling temp of -195.8 C (the other gases boil at higher temps) so you would need to get the temperature below that.
no, but some do
Cans may condensate when the temperature of the can is lower than the dew point of the surrounding air, causing water vapor in the air to turn into liquid water on the surface of the cold can. This condensation occurs due to the difference in temperature between the can and the surrounding air.
As the temperature decreases, the ability of saturated air to hold moisture decreases. This can lead to condensation as the air cools below its dew point temperature, causing water vapor to turn into liquid water droplets.
Decrease the temperature and make it turn into ice.
100 degrees C
This is the boiling point.
When a liquid is heated, its temperature will increase. As the temperature rises, the molecules in the liquid will gain more energy and move faster. Eventually, if the temperature is high enough, the liquid will reach its boiling point and turn into a gas.
When the air cools, water vapor may undergo condensation and turn into liquid water or ice depending on the temperature. This process forms clouds, fog, or precipitation, such as rain or snow.
turn down the temperature increase pressure