A gas in a laboratory vessel is cooled. If all the molecules of the enclosed gas cease to have any motion, what is temperature in the vessel
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For starters, when a gas is cooled it's going from Gas --> liquid --> solid. You're removing heat from the system, so i'm guessing that entropy is going down. If all the molecules cease to have any motion, i guess it would be 0K, but this really isn't possible. @Rushwr @Woodward what do you guys think?
Yeah if all the motion of the molecules ceases... It has to be absolute zero. Weird question...
Exactly @Woodward and @Photon336 , the only point at which the molecules would stop moving or vibrating after being converted to a solid is at absolute zero (-273.15 degrees Celsius). Technically, I don't believe that it's actually possible to reach this point, although there's a lot of research ongoing at the moment into understanding the behavior of molecules at really low temperatures.
Have you received any feedback as to what the answer is @jazmyn_12 or have you any ideas yourself?