Chemical Engineering Thermodynamics
Which of the following is true for Virial equation of state?

Virial co-efficients are universal constants
For some gases, Virial equations and ideal gas equations are the same
Virial co-efficients
Virial co-efficients are function of temperature only

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Chemical Engineering Thermodynamics
Which one is true for a throttling process?

The inversion temperature is the temperature at which Joule-Thomson co-efficient is infinity
The inversion temperature is same for all gases
A gas may have more than one inversion temperatures
The inversion temperature is different for different gases

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