Coefficients, i. e. a and b of van der waals equation can be determined by (a) critical condition of the gas, (b) curve fit of p-v-t experimental data points, (c) statistical analysis

(B) Curve fit of p-v-t experimental data points

Explanation:

The constants a and b have positive values and are characteristic of the individual gas. The van der Waals state equation approximates the ideal gas law PV = nRT as the value of these constants approaches zero. The constant a provides a correction for intermolecular forces. The constant b is a correction for finite molecular size and its value is the volume of one mole of atoms or molecules.

answer:

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explanation: