Answer the following statement(s) true (T) or false (F)
A. At the azeotrope, the liquid composition and liquid density is the same as the vapor composition and the vapor density.
B. The K-factor for a component in a mixture can always be determined by dividing the vapor pressure of that component with the system pressure.
C. At the dew point, you have virtually all liquid with and one bubble of vapor.
D. Temperature, pressure and mole fraction are all examples of intensive variables
E. Only at the pure component endpoints will the composition of the liquid phase equal the composition of the vapor phase for a mixture.
A. Incorrect. This describes the mixture critical point and not the azeotrope.
B. Incorrect. This is only true for systems that obey Raoult’s Law.
C. Incorrect. This is backwards: At the dew point you have one drop of dew (liquid) and the rest vapor. At the bubble point, you have the single bubble of vapor and the rest liquid.
D. Correct. None of these depend upon the mass or moles of the material in the system.
E. Incorrect. Some mixture possess an azeotrope and, at the azeotrope, the composition of liquid phase will be the same as that of the vapor phase.
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