1.

Identify the correct statement regarding Vangerwaal gas.

Answer»

For He gas at room temperature under normal conditions attractive forces dominate.
For COMPRESSIBILITY factor `(Z) lt 1`, repulsive forces dominate.
If `(z) gt 1`, it means gas will be less compressible.
A real gas BEHAVE ideally at high pressure and low temperature.

Solution :(1) For He, `(z) gt 1`
(2) ATTRACTION forces dominates.
(4) For a real gas at hight pressure and low temperature, `(z) gt 1`


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