Chemical Engineering Thermodynamics
Entropy, which is a measure of the disorder of a system is

Zero at absolute zero temperature for a perfect crystalline substance
Independent of temperature
Independent of pressure
All of these

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Chemical Engineering Thermodynamics
Free energy

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

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

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

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