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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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Question

Minimum work for separation of a nonideal liquid mixture.
For a process in which the feed and products are all nonideal solutions at the infinite surroundings temperature, T₀, Equation (4) of Table 2.1 for the minimum work of separation reduces to For the separation at ambient conditions (298 K, 101.3 kPa) of a 35 mol% mixture of acetone (1) in water (2) into 99 mol% acetone and 98 mol% water, calculate the minimum work in kJ/kmol of feed. Activity coefficients at ambient conditions are correlated by the van Laar equations with A₁₂ = 2.0 and A₂₁= 1.7. What is the minimum work if acetone and water formed an ideal solution?

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