If Raoults law applies for dilute solutions and osmotic pressure at equilibrium is estimated using the relationship (RT/Va) ln (Pa0/Pa) where R is 0.0881 atm/mol.K, T is in kelvin and Pa0 and Pa are the vapor pressure in dilute and concentrated solutions. Given that Va is 0.018 liter for water, estimate the osmotic pressure difference across a semi-permeable membrane with brackish water on one side and mineral free water on the other at 25 degC. If a yield of 75% is required, what is the minimum pressure needed to balance the osmotic pressure difference that will develop?
If Raoults law applies for dilute solutions and osmotic pressure at equilibrium is estimated using the relationship (RT/Va) ln (Pa0/Pa) where R is 0.0881 atm/mol.K, T is in kelvin and Pa0 and Pa are the vapor pressure in dilute and concentrated solutions. Given that Va is 0.018 liter for water, estimate the osmotic pressure difference across a semi-permeable membrane with brackish water on one side and mineral free water on the other at 25 degC. If a yield of 75% is required, what is the minimum pressure needed to balance the osmotic pressure difference that will develop?
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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If Raoults law applies for dilute solutions and osmotic pressure at equilibrium is estimated using the relationship (RT/Va) ln (Pa0/Pa) where R is 0.0881 atm/mol.K, T is in kelvin and Pa0 and Pa are the vapor pressure in dilute and concentrated solutions. Given that Va is 0.018 liter for water, estimate the osmotic pressure difference across a semi-permeable membrane with brackish water on one side and mineral free water on the other at 25 degC. If a yield of 75% is required, what is the minimum pressure needed to balance the osmotic pressure difference that will develop?
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