Q.

A closed vessel with adiabatic walls contains 8gm of  He and  21gm of  N2 at temperature T. Given that  u1= most probable speed of  He atoms.
u2= mean speed of He atoms
u3= rms  speed of He atoms
v1=  most probable speed of  N2 molecular 
v2=  mean speed of  N2 molecules 
v3=  rms  speed of N2  molecules 

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