Rate of effusion of nitrogen gas, Physics

How can we calculate the rate of effusion of nitrogen gas from a cylinder. and how much time it will take??

Posted Date: 4/5/2013 2:42:58 AM | Location : United States

Apply Grahams law of effusion.

it is:- 

rate(r) of effusion/diffusion is proportional to 1/ root [density(d) ]

hecne r1/r2 = root(  d2/d1 )

         => r1/r2 = root ( M2/M1 )   since   [2. vapour density(d)=molecular mass(M) ]

        now put rate=Volume/time=V/t

        all sums of this type are solved by this concept.

Hope it gets cleared now.

Posted by Lola | Posted Date: 4/5/2013 2:43:28 AM

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