7.36. Sketch a temperature-composition phase diagram (see i Figures 7.14 and 7.15 for examples) for the...
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7.36. Sketch a temperature-composition phase diagram (see i Figures 7.14 and 7.15 for examples) for the CCl/HCOOH and HCOOH/pyridine solutions, using data from Table 7.1. How are the two phase diagrams different? How are they similar? TABLE 7.1 List of few azeotropes and their physical properties. Component 1 BP component 1 ("C) Component 2 BP Component 2 ("C) % Component 1 % Component 2 Azeotrope BP ("C) CC, 81.5 18.5 66.65 76.75 HCOOH 100.7 CH,OH 12 88 55,5 64.7 CH,COCH, 56.15 H,0 4 96 78.17 100.00 C,H,OH 78.32 100.00 CH,CO,CH, 8.47 91.53 70.38 77.15 H,O pyridine 115.5 41.3 58.7 93.6 100.00 HCI -85 (CH,),0 -22 38 62 -2 НСООН 100.75 pyridine 115.5 61.4 38.6 127.4 Source: CRC Handbook of Chemistry and Physies ultiple-Component Systems T(BP,) MAI Dew point line Tie line T(BP,) Bubble point line BP of minimum-boiling azeotrope 0.0 0.5 1.0 Composition of minimum-boiling azeotrope FIGURE 7.14 Temperature-composition phase diagram for a nonideal solution showing a deviation from Raoult's law. Notice the appearance of a point at which liquid and vapor have the same composition. positive Temperature Unless otherwise noted, all art on this page is © Cengage Leaming 2014 wodk sdam BP of | ilonsdts bammoloroltslonads dlon ol maximum-boiling noal azeotrope Dew point line adh alge T(BP,) Tie line lust pente Bubble point line br Composition of maximum-boiling azeotrope T(BP,) 0.0 0.5 1.0 X, Y, FIGURE 7.15 Temperature-composition phase diagram for a nonideal solution showing negative leviation from Raoult's law. The azeotrope is maximum-boiling, rather than minimum-boiling as hown in Figure 7.14. Temperature 7.36. Sketch a temperature-composition phase diagram (see i Figures 7.14 and 7.15 for examples) for the CCl/HCOOH and HCOOH/pyridine solutions, using data from Table 7.1. How are the two phase diagrams different? How are they similar? TABLE 7.1 List of few azeotropes and their physical properties. Component 1 BP component 1 ("C) Component 2 BP Component 2 ("C) % Component 1 % Component 2 Azeotrope BP ("C) CC, 81.5 18.5 66.65 76.75 HCOOH 100.7 CH,OH 12 88 55,5 64.7 CH,COCH, 56.15 H,0 4 96 78.17 100.00 C,H,OH 78.32 100.00 CH,CO,CH, 8.47 91.53 70.38 77.15 H,O pyridine 115.5 41.3 58.7 93.6 100.00 HCI -85 (CH,),0 -22 38 62 -2 НСООН 100.75 pyridine 115.5 61.4 38.6 127.4 Source: CRC Handbook of Chemistry and Physies ultiple-Component Systems T(BP,) MAI Dew point line Tie line T(BP,) Bubble point line BP of minimum-boiling azeotrope 0.0 0.5 1.0 Composition of minimum-boiling azeotrope FIGURE 7.14 Temperature-composition phase diagram for a nonideal solution showing a deviation from Raoult's law. Notice the appearance of a point at which liquid and vapor have the same composition. positive Temperature Unless otherwise noted, all art on this page is © Cengage Leaming 2014 wodk sdam BP of | ilonsdts bammoloroltslonads dlon ol maximum-boiling noal azeotrope Dew point line adh alge T(BP,) Tie line lust pente Bubble point line br Composition of maximum-boiling azeotrope T(BP,) 0.0 0.5 1.0 X, Y, FIGURE 7.15 Temperature-composition phase diagram for a nonideal solution showing negative leviation from Raoult's law. The azeotrope is maximum-boiling, rather than minimum-boiling as hown in Figure 7.14. Temperature
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From the table we can see that CCl4HCOOH solution froms a minimum boiling azeotropes Hence it shows ... View the full answer
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