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13. For one mole of a van der Waals gas ...

13. For one mole of a van der Waals gas when b = 0 and T = 300 K, the pV vs 1/V plot is shown below. The value of the van der Waals' constant a (atm L molº 2) (2012) 24.6 23.1 21.6 - PV (L atm mol-1) 20.1 - 1 1 2.0 3.0 1/V (mol L-1) (a) 1.0 (6) 4.5 (c) 1.5 (d) 3.0

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