Why Does Compressed Air Cold

I m not even sure if the liquid is electrically conductive but it boils off in seconds anyway.

Why does compressed air cold. Co2 cartridges are highly compressed cylinders of liquid carbon dioxide. Because these gases are compressed to liquid form when you turn the can upside down and press the nozzle liquid will come out before it turns to gas. Why does canned air get cold. Most techs were stuck in a back building connected by a ma.

Changing from a liquid phase to a gas phase requires energy. Why does the compressed air can get so cold when you use it. If you ve ever used a can of compressed air to blow dust out of your keyboard you ve experienced how quickly the can gets cold. Long ago i was a pc tech at a slightly fly by night mom pop joint.

If you compress it into a smaller space the energy also becomes more dense so the temperature has to rise at least temporarily. Why does the compressed air can get so cold when you use it. If this is true why use compressed air. I will take a stab at putting that in simple terms.

A given volume of gas has a certain amount of energy. Even a short blast is enough for frost to accumulate. Why does canned air get cold. The lower you are closer to sea level the higher the pressure because there will be more air pressing down on you.

As the liquid co2 is released it turns into a gas and makes your cartridge ice cold. If we take a look at our earth s surface and its atmosphere we can interpret it as a sea of air. A pocket of gas sits at the top of the can preventing liquid from spraying out when the can is right side up. This frost all over the cylinder sort of cold is thermodynamics in action.