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Dimension of b in the equation (P+(a))/(...

Dimension of `b` in the equation `(P+(a))/(V^(2))(V-b)=RT` will be

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`because [(a)/(V^(2))]=[P] therefore [a]=[P][V^(2)]=ML^(-1)T^(-2)xxL^(6)=M^(1)L^(5)T^(-2)`
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