As delivered to the consumer at 5 °C, a 1-liter bottle of soda contains carbon dioxide dissolved in water, with the carbon dioxide present at a mole fraction of 2.9 x 10-3 mole fraction (about 7 parts per thousand by mass). The Henry’s constant for carbon dioxide in water is 9.26 x 102 atmospheres/mole fraction at 5 °C. The pressure of the CO2 in the closed soda bottle is approximately 2.7 atm. The 1-liter soda is opened, and after a period of equilibration between the liquid soda and the gas phase adjacent to the open bottle, the CO2 partial pressure above the bottle is 0.25 atm. After this equilibration, what is now the new mole fraction of CO2 in the liquid soda?

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Answered: After this equilibration, what is now…

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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As delivered to the consumer at 5 °C, a 1-liter bottle of soda contains carbon dioxide dissolved in water, with the carbon dioxide present at a mole fraction of 2.9 x 10^-3 mole fraction (about 7 parts per thousand by mass). The Henry’s constant for carbon dioxide in water is 9.26 x 10² atmospheres/mole fraction at 5 °C. The pressure of the CO₂ in the closed soda bottle is approximately 2.7 atm. The 1-liter soda is opened, and after a period of equilibration between the liquid soda and the gas phase adjacent to the open bottle, the CO₂ partial pressure above the bottle is 0.25 atm. After this equilibration, what is now the new mole fraction of CO₂ in the liquid soda?

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