Find out the unit and dimensions of the constants `a and b` in the van der Waal's equation `( P + (a)/(V^(2))) ( V - b ) = R t`, where `P` is pressure , `v` is volume , `R` is gas constant , and `T` is temperature.
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To find the units and dimensions of the constants \( a \) and \( b \) in the van der Waals equation
\[
(P + \frac{a}{V^2})(V - b) = RT,
\]
we will analyze the equation step by step.
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