Explain the physical significance of van der Waals parameters.

1.	Explain the physical significance of van der Waals parameters.
Answer» Solution : .a. and .b. are constant in Van DER waal equation. Vaslue of a is related intermolecular FORCES of gas. Value of a INCREASES with intermolecular force and real pressure shows more ideal pressure. Vasn der waal.s constant .b. shows correction observed in value (V). Value of b increases with volume of molecule. Value of .b. shows more DEVIATION in volume than volume of Ideal gas.

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