1. Tardigrade
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  3. Chemistry
  4. The unit of the van der Waals gas equation parameter 'a' in ( P +( an 2/ V 2))( V - nb )= nRT is :

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Q. The unit of the van der Waals gas equation parameter '$a$' in $\left( P +\frac{ an ^{2}}{ V ^{2}}\right)( V - nb )= nRT$ is :

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Solution:

$\frac{ an ^{2}}{ V ^{2}}= atm $
$\Rightarrow a = atm \times \frac{ dm ^{6}}{ mol ^{2}}$