Mass Transfer
In a distillation operation, what is the effect of the temperature of the reflux stream (given below) on the condenser and reboiler loads? Reflux conditions:(i) Reflux stream is completely liquid and is at its bubble point.(ii) Reflux stream is below its bubble point.

Condenser and reboiler loads are the same in both the cases
Reboiler load is the same in both the cases but condenser load is higher in case (ii)
Both condensor and reboiler loads are higher in case (ii) as compared to case (i)
Condenser load is the same in both the cases but reboiler load is higher in case (ii)

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Mass Transfer
If a two phase system is in physical equilibrium; then it means that, the

All of these
Escaping tendency of each component from the liquid phase to the vapor phase is exactly equal to that from vapor phase to liquid phase
Temperature of the liquid phase is equal to that of the vapor phase
Total pressure throughout the liquid phase is equal to that throughout the vapor phase

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