973 14. On the right is the phase diagram of the binary mixture between Zn and Mg under 1 atm. pressure. A 873 Which of the following best represents the cooling curve from point A to point B in the phase diagram? 773 673 653 620 573 473 20 40 60 80 100 Zn Mg Mole percent Mg A B Time Time Time D E F Time Time Time H Time Time Time Temperature Temperature (K) Temperature Temperature

973 14. On the right is the phase diagram of the binary mixture between Zn and Mg under 1 atm. pressure. A 873 Which of the following best represents the cooling curve from point A to point B in the phase diagram? 773 673 653 620 573 473 20 40 60 80 100 Zn Mg Mole percent Mg A B Time Time Time D E F Time Time Time H Time Time Time Temperature Temperature (K) Temperature Temperature

Physical Chemistry

2nd Edition

ISBN:9781133958437

Author:Ball, David W. (david Warren), BAER, Tomas

Publisher:Ball, David W. (david Warren), BAER, Tomas

Chapter6: Equilibria In Single-component Systems

Section: Chapter Questions

Problem 6.50E

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The table below shows temperature/composition data collected for a mixture of methylbenzene (M) and octane (O) at 1 atm. Recall that x stands for the mole fraction in the liquid and y stands for the mole fraction in the vapor in equilibrium. The boiling points for methylbenzene (M) and octane (O) are 110.60C and 125.60C, respectively. Construct the phase diagram with Temperature vs. xM. What is the composition of the vapor in equilibrium with the liquid of composition (a) xM = 0.250 and (b) xO = 0.250. T (0C) 110.9 112.0 114.0 115.8 117.3 119.0 121.1 123.0 xM 0.908 0.795 0.615 0.527 0.408 0.300 0.203 0.097 yM 0.923 0.836 0.698 0.624 0.527 0.410 0.297 0.164
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