Chemical Engineering Thermodynamics
If the heat of solution of an ideal gas in a liquid is negative, then its solubility at a given partial pressure varies with the temperature as

Solubility increases as temperature increases
Solubility is independent of temperature
Solubility increases or decreases with temperature depending on the Gibbs free energy change of solution
Solubility increases as temperature decreases

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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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