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 is independent of temperature
Solubility increases as temperature increases
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
The second law of thermodynamics states that

The energy change of a system undergoing any reversible process is zero
The total energy of system and surrounding remains the same
It is not possible to transfer heat from a lower temperature to a higher temperature
None of these

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