Q. 355.0( 1 Vote )

The relation betw

Answer :

We have:

P ideal = P real+


Pideal– Preal=


Now, putting the value of units of pressure, volumes and n, we have





The unit of ‘a’ when the pressure is taken in Nm-2, number of moles in “mol” and volume in m3 is


Now, when pressure is in atmosphere and volume in dm3 than, the value of ‘a’ is:



a =


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