Chemical Engineering Thermodynamics
Free energy, fugacity and activity co-efficient are all affected by change in the temperature. The fugacity co-efficient of a gas at constant pressure ____with the increase of reduced temperature.

Increases
Decreases logarithmically
Decreases
Remains constant

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

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

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