Problem 3. Estimate the bubble point pressure and the vapor phase composition of a liquid mixture at 361 K with the composition given in the table below. For each species, the parameters A, B and Cof Antoine's equation are also given in the same table. Assume ideal solution/mixture behavior in both the liquid and vapor phases. Species Mole fraction A B 1 0.40 9.1325 2766.63 50.55 2 0.20 9.2806 2788.51 52.36 0.25 9.3935 3096.52 53.76 0.15 9.2535 2911.32 56.51 Antoine's equation: In Pot- A where piet is in bars and Tis in K. T+C

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
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**Problem 3:** Estimate the bubble point pressure and the vapor phase composition of a liquid mixture at 361 K with the composition given in the table below. For each species, the parameters A, B, and C of Antoine's equation are also given in the same table. Assume ideal solution/mixture behavior in both the liquid and vapor phases.

| Species | Mole fraction | A     | B     | C    |
|---------|---------------|-------|-------|------|
| 1       | 0.40          | 9.1325| 2766.63| 50.55|
| 2       | 0.20          | 9.2806| 2788.51| 52.36|
| 3       | 0.25          | 9.3935| 3096.52| 53.76|
| 4       | 0.15          | 9.2535| 2911.32| 56.51|

**Antoine's equation:** \( \ln P^{sat} = A - \frac{B}{T + C} \)

where \( P^{sat} \) is in bars and \( T \) is in K.
Transcribed Image Text:**Problem 3:** Estimate the bubble point pressure and the vapor phase composition of a liquid mixture at 361 K with the composition given in the table below. For each species, the parameters A, B, and C of Antoine's equation are also given in the same table. Assume ideal solution/mixture behavior in both the liquid and vapor phases. | Species | Mole fraction | A | B | C | |---------|---------------|-------|-------|------| | 1 | 0.40 | 9.1325| 2766.63| 50.55| | 2 | 0.20 | 9.2806| 2788.51| 52.36| | 3 | 0.25 | 9.3935| 3096.52| 53.76| | 4 | 0.15 | 9.2535| 2911.32| 56.51| **Antoine's equation:** \( \ln P^{sat} = A - \frac{B}{T + C} \) where \( P^{sat} \) is in bars and \( T \) is in K.
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