Answer :

No, the molecules of gas will neither collide nor transfer momentum.

First explanation


Kinetic energy of gas is given as



Where K. E=kinetic energy of gas


kB = Boltzmann constant


T = temperature of gas


So, if T=0K then kinetic energy will be zero. Which also means that molecules of gas will not move at all. Hence, they will neither collide or transfer momentum to walls of container.


Second explanation


One can also understand this from zero pressure point of view.


Pressure of an ideal gas given as


P= nmv2 ……... (i)


Where n=number of molecules of gas per unit volume


m=mass of molecule of gas


v= velocity of gas molecule


And momentum is given as


Momentum= massvelocity …...(ii)


From equation (i) and (ii), we can conclude that if pressure is zero,


velocity of molecules will be zero and hence momentum will be zero.


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