Mass Transfer
In case of a desorber (stripper), the

Temperature always increases
Operating line always lies above the equilibrium curve
Operating line always lies below the equilibrium curve
Temperature remains unaffected

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Mass Transfer
Henry's law states that the

Partial pressure of a component over a solution is proportional to the mole fraction in the vapour
Partial pressure of a component over a solution is proportional to its mole fraction in the liquid
Partial pressure is equal to the product of the mole fraction and total pressure
Vapour pressure is equal to the product of the mole fraction and total pressure

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