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

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Chemical Engineering Thermodynamics
In a reversible chemical reaction (where, Δx = number of moles of products-number of moles of reactants )

Pressure has no effect on equilibrium, when Δn = 0
Addition of inert gas favours the forward reaction, when Δx is positive
Addition of inert gas has no effect on the equilibrium constant at constant volume for any value of Δx (+ ve, - ve) or zero)
All of these

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