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A gas tank contains 15 mol% propane, 25 mol% n-butane, 30 mol% n-pentane, and 30 mol% n-hexane at P = 10 bar. Initially, the tank contains 100 moles of the gas mixture. Then, it is supplied with pure methane gas until the gas mixture inside the tank reaches 5 mol% methane. What is the entropy change associated with such mixing? Assume that the gas mixture behaves ideally.

A gas tank contains 15 mol% propane, 25 mol% n-butane, 30 mol% n-pentane, and 30 mol% n-hexane at P = 10 bar. Initially, the tank contains 100 moles of the gas mixture. Then, it is supplied with pure methane gas until the gas mixture inside the tank reaches 5 mol% methane. What is the entropy change associated with such mixing? Assume that the gas mixture behaves ideally.

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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A gas tank contains 15 mol% propane, 25 mol% n-butane, 30 mol% n-pentane, and 30 mol% n-hexane at P = 10 bar. Initially, the tank contains 100 moles of the gas mixture. Then, it is supplied with pure methane gas until the gas mixture inside the tank reaches 5 mol% methane. What is the entropy change associated with such mixing? Assume that the gas mixture behaves ideally.
Transcribed Image Text:A gas tank contains 15 mol% propane, 25 mol% n-butane, 30 mol% n-pentane, and 30 mol% n-hexane at P = 10 bar. Initially, the tank contains 100 moles of the gas mixture. Then, it is supplied with pure methane gas until the gas mixture inside the tank reaches 5 mol% methane. What is the entropy change associated with such mixing? Assume that the gas mixture behaves ideally.
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