Chemical Engineering Thermodynamics
Heat pump

Accomplishes only space cooling in summer
Works on Carnot cycle
Accomplishes only space heating in winter
Accomplishes both A and B

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

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