Estimate VR, HR and SR for one of the following by appropriate generalized correlations: () 1, 3-Butadiene

Question:

Estimate VR, HR and SR for one of the following by appropriate generalized correlations:
(а) 1, 3-Butadiene at 500 K and 20 bar.
(h) Carbon dioxide at 400 K and 200 bar,
(c) Carbon disulfide at 450 K and 60 bar.
(d) n-Decanc at 600 K and 20 bar.
(e) Ethylbenzene at 620 K and 20 bar.
(f) Methane at 250 K and 90 bar.
(j) Oxygen at 150 K and 20 bar.
(t) n-Peniane at 500 K and 10 bar.
(i) Sulfur dioxide ai 450 K and 35 bar.
(j) Tetrafluoroethane at 400 K and 15 bar.