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

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

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Chemical Engineering Thermodynamics
Free energy

Remains unchanged in reversible processes carried at constant temperature and pressure
Change during a spontaneous process has a negative value
All of these
Decreases in all spontaneous (or irreversible) processes

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