**Unformatted text preview: **), )( 2 3 ( nb V V-= which is solved for . 3 ) ( c b n V = Substituting this into either of the last two expressions in part (c) gives . 27 8 c Rb a T = d) . 27 9 2 ) ( ) ( ) ( 2 2 27 8 c c c b a b a b R n V a b n V RT p Rb a =-=--= e) . 3 8 3 ) ( p 2 27 27 8 c c c = = b n V RT b a b a g) 4.35. : O H . 44 . 3 : N . 28 . 3 : H 2 2 2 h) While all are close to , 3 8 the agreement is not good enough to be useful in predicting critical point data. The van der Waals equation models certain gases, and is not accurate for substances near critical points....

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