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A mixture containing 35 mole% propane and 65 mole% ethane exists at 25 atm. A. Assuming that the mixture is ideal, determine the temperature (°C) when the first bubble of vapor is formed. B. What is the composition of this first bubble of vapor? C. What temperature must be applied to vaporize one-half of the liquid (on a molar basis)?

A mixture containing 35 mole% propane and 65 mole% ethane exists at 25 atm. A. Assuming that the mixture is ideal, determine the temperature (°C) when the first bubble of vapor is formed. B. What is the composition of this first bubble of vapor? C. What temperature must be applied to vaporize one-half of the liquid (on a molar basis)?

Introduction to Chemical Engineering Thermodynamics
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
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Please answer this NEATLY, COMPLETELY, and CORRECTLY for an UPVOTE.

Answer only D and E.

Answers to A-C:

A.
Tethane =  4.08 °C
Tpropane =  70.79 °C
ans: Tb = 18.85 °C

B.
ans: ya = 0.89

C.
Td = 38.90 °C
ans: T = 28.88 °C 

A mixture containing 35 mole% propane and 65 mole% ethane exists at 25 atm. A. Assuming that the mixture is ideal, determine the temperature (°C) when the first bubble of vapor is formed. B. What is the composition of this first bubble of vapor? C. What temperature must be applied to vaporize one-half of the liquid (on a molar basis)? D. What is the composition of the vapor formed in part (C) if the final liquid and vapor are at equilibrium? E. At what temperature (°C) would the last droplet of liquid disappear? Antoine's constants: A В ethane 6.80267 656.4028 255.99 propane 6.8297 813.2008 247.99
Transcribed Image Text:A mixture containing 35 mole% propane and 65 mole% ethane exists at 25 atm. A. Assuming that the mixture is ideal, determine the temperature (°C) when the first bubble of vapor is formed. B. What is the composition of this first bubble of vapor? C. What temperature must be applied to vaporize one-half of the liquid (on a molar basis)? D. What is the composition of the vapor formed in part (C) if the final liquid and vapor are at equilibrium? E. At what temperature (°C) would the last droplet of liquid disappear? Antoine's constants: A В ethane 6.80267 656.4028 255.99 propane 6.8297 813.2008 247.99
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