Question

1. At critical temperature, pressure and volume. The compressibility factor (Z) is?

(1)
W100
(2)
3
3
(3)
3
8
5
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Answer 1

Answer:

z=pv/nRT

at critical temperature Tc=8a/276R

at critical pressure Pc=a/276^2

at critical volume Vc=3b

z=3/8