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Acetonitrile and dodecane are partially miscible liquids under certain conditions. The phase diagram for this system is shown below. temperature, K 390 370 350 330 310 290 270 0 0.1 liquid-liquid phase diagram acetonitrile - dodecane 0.2 0.3 0.5 0.7 0.4 0.6 mole fraction of acetonitrile, Xaceto 0.8 0.9 1 a. Choose one temperature and mixture combination in which these two liquids will be miscible. Place that point on the graph, label it, and then list here the temperature and the mole fraction value is for that point. b. A solution is made by mixing 0.40 moles of acetonitrile and 0.10 moles of dodecane. At room temperature, 293 K, when mixed, you observe two liquid layers. What are the compositions of those two layers and which layer is larger (i.e. has more volume)? non-spe c. A solution is made by mixing 0.40 moles of acetonitrile and 0.10 moles of dodecane. This solution is warmed to 350 K. At this temperature, what are the compositions of the two layers and which layer is larger (i.e. has more volume)? d. A different solution is made by mixing 0.40 moles of acetonitrile and 0.60 moles of dodecane. A room temperature, when mixed, you observe two liquid layers. What are the compositions of thos two layers and which layer is larger (has more volume)? e. At what temperature will the mixture in part d become a solution of one phase?

Acetonitrile and dodecane are partially miscible liquids under certain conditions. The phase diagram for this system is shown below. temperature, K 390 370 350 330 310 290 270 0 0.1 liquid-liquid phase diagram acetonitrile - dodecane 0.2 0.3 0.5 0.7 0.4 0.6 mole fraction of acetonitrile, Xaceto 0.8 0.9 1 a. Choose one temperature and mixture combination in which these two liquids will be miscible. Place that point on the graph, label it, and then list here the temperature and the mole fraction value is for that point. b. A solution is made by mixing 0.40 moles of acetonitrile and 0.10 moles of dodecane. At room temperature, 293 K, when mixed, you observe two liquid layers. What are the compositions of those two layers and which layer is larger (i.e. has more volume)? non-spe c. A solution is made by mixing 0.40 moles of acetonitrile and 0.10 moles of dodecane. This solution is warmed to 350 K. At this temperature, what are the compositions of the two layers and which layer is larger (i.e. has more volume)? d. A different solution is made by mixing 0.40 moles of acetonitrile and 0.60 moles of dodecane. A room temperature, when mixed, you observe two liquid layers. What are the compositions of thos two layers and which layer is larger (has more volume)? e. At what temperature will the mixture in part d become a solution of one phase?

Chemistry: Principles and Practice
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter12: Solutions
Section: Chapter Questions
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Acetonitrile and dodecane are partially miscible liquids under certain conditions. The phase is diagram for this system is shown below. temperature, K 390 370 350 330 310 290 270 0 0.1 liquid-liquid phase diagram acetonitrile - dodecane 0.2 0.3 0.7 0.4 0.5 0.6 mole fraction of acetonitrile, Xaceto 0.8 0.9 1 a. Choose one temperature and mixture combination in which these two liquids will be miscible. Place that point on the graph, label it, and then list here the temperature and the mole fraction value is for that point. b. A solution is made by mixing 0.40 moles of acetonitrile and 0.10 moles of dodecane. At room temperature, 293 K, when mixed, you observe two liquid layers. What are the compositions of those two layers and which layer is larger (i.e. has more volume)?e non-spo c. A solution is made by mixing 0.40 moles of acetonitrile and 0.10 moles of dodecane. This solution is warmed to 350 K. At this temperature, what are the compositions of the two layers and which layer is larger (i.e. has more volume)? At d. A different solution is made by mixing 0.40 moles of acetonitrile and 0.60 moles of dodecane. room temperature, when mixed, you observe two liquid layers. What are the compositions of those two layers and which layer is larger (has more volume)? e. At what temperature will the mixture in part d become a solution of one phase?
Transcribed Image Text:Acetonitrile and dodecane are partially miscible liquids under certain conditions. The phase is diagram for this system is shown below. temperature, K 390 370 350 330 310 290 270 0 0.1 liquid-liquid phase diagram acetonitrile - dodecane 0.2 0.3 0.7 0.4 0.5 0.6 mole fraction of acetonitrile, Xaceto 0.8 0.9 1 a. Choose one temperature and mixture combination in which these two liquids will be miscible. Place that point on the graph, label it, and then list here the temperature and the mole fraction value is for that point. b. A solution is made by mixing 0.40 moles of acetonitrile and 0.10 moles of dodecane. At room temperature, 293 K, when mixed, you observe two liquid layers. What are the compositions of those two layers and which layer is larger (i.e. has more volume)?e non-spo c. A solution is made by mixing 0.40 moles of acetonitrile and 0.10 moles of dodecane. This solution is warmed to 350 K. At this temperature, what are the compositions of the two layers and which layer is larger (i.e. has more volume)? At d. A different solution is made by mixing 0.40 moles of acetonitrile and 0.60 moles of dodecane. room temperature, when mixed, you observe two liquid layers. What are the compositions of those two layers and which layer is larger (has more volume)? e. At what temperature will the mixture in part d become a solution of one phase?
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