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The data is for a mixture of ethanol (1) and acetonitrile (2) at 40Â°C. 1) Does this data have a positive or negative deviation from Raoult's law? What can you say about the nature of the molecular interactions? 2) Prepare a plot of ln(v), ln(v), Gi. What can you say about the quality of the data? b. Calculate the two-parameter Margules equation fitting parameters A12 and A21 from this plot. Determine P and yi when x = 0.6. 3) Using the single-point Van Laar method, determine P and yi when xi = 0.6. Which is the best data set to use for this calculation and why? 4) Calculate P and yi when x = 0.6 and the temperature is 80Â°C. Use all of the data to find the fitting parameters with the objective function approach described in class. Have the objective function include pressure and the gas phase compositions of both components. P (bar) x1 0.229 0.2404 0.2558 0.2661 0.2742 0.2784 0.2801 0.2809 0.2812 0.281 0.2766 0.2681 0.258 0.2418 0.2189 0.2012 0.1799 y1 0 0.0281 0.0831 0.1415 0.2314 0.2884 0.333 0.404 0.414 0.4813 0.5623 0.6965 0.7885 0.8681 0.9252 0.9659 1 0 0.0663 0.1596 0.2435 0.3117 0.3442 0.3684 0.4115 0.414 0.4376 0.4753 0.5344 0.5987 0.6687 0.7708 0.8664 1

          The data is for a mixture of ethanol (1) and acetonitrile (2) at 40Â°C.
1) Does this data have a positive or negative deviation from Raoult's law? What can you say about the nature of the molecular interactions?
2) Prepare a plot of ln(v), ln(v), Gi. What can you say about the quality of the data? b. Calculate the two-parameter Margules equation fitting parameters A12 and A21 from this plot. Determine P and yi when x = 0.6.
3) Using the single-point Van Laar method, determine P and yi when xi = 0.6. Which is the best data set to use for this calculation and why?
4) Calculate P and yi when x = 0.6 and the temperature is 80Â°C. Use all of the data to find the fitting parameters with the objective function approach described in class. Have the objective function include pressure and the gas phase compositions of both components.
P (bar) x1 0.229 0.2404 0.2558 0.2661 0.2742 0.2784 0.2801 0.2809 0.2812 0.281 0.2766 0.2681 0.258 0.2418 0.2189 0.2012 0.1799
y1 0 0.0281 0.0831 0.1415 0.2314 0.2884 0.333 0.404 0.414 0.4813 0.5623 0.6965 0.7885 0.8681 0.9252 0.9659 1
0
0.0663 0.1596 0.2435 0.3117 0.3442 0.3684 0.4115 0.414 0.4376 0.4753 0.5344 0.5987 0.6687 0.7708 0.8664 1

the data is for a mixture of ethanol 1 and acetonitrile 2 at 40 c 1 does this data have a positive or negative deviation from raoults law what can you say about the nature of the molecular i 92837

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