IGNOU BPHCT 135 2026 - Obtain an expression of coefficient of volume expansion for one mole o

Question

Obtain an expression of coefficient of volume expansion for one mole of van der Waals’ gas.

19 Jan 2026

Answer :

Word Count : 196

For one mole of a van der Waals gas, the equation of state is given by ((P + \frac{a}{V^2})(V - b) = RT), where (a) and (b) are van der Waals constants, (V) is the molar volume, (P) is the pressure, (R) is the universal gas constant, and (T) is the temperature. The coefficient of volume expansion (\beta) is defined as

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