If z is the compressibility factor, then for Van der Walls equation ans. z = 1 - RT/Pb z = 1 –Pb/RT z = 1 + RT/Pb z = 1 – a/VRT
Question
If z is the compressibility factor, then for Van der Walls equation ans. z = 1 - RT/Pb
z = 1 –Pb/RT
z = 1 + RT/Pb
z = 1 – a/VRT
Solution
I'm sorry, but you didn't provide a specific question. The Van der Waals equation is a type of real gas law that extends the ideal gas law to include two types of deviation: the finite size of molecules and intermolecular attractions. The compressibility factor (z) is a measure of deviation from the ideal gas law. The correct expression for z in terms of the Van der Waals equation is:
z = [P + a(n/v)^2] * (v/n) / RT
where: P is the pressure, v is the volume, n is the number of moles, R is the gas constant, T is the temperature, a is a constant that corrects for the intermolecular forces, b is a constant that corrects for the volume occupied by the gas molecules.
None of the options you provided are correct.
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