100 moles of a gas stream containing 15 mol% CS2, 18 mol% O2, and 67 mol% N2 is fed to a continuous absorption tower. Similarly, liquid benzene is fed to the column in a 2:1 mole ratio to the feed gas. In this process, when benzene gets in contact with the gas stream, it absorbs CS2 but not O2 or N2. Some of the feed benzene evaporates and leaves the top of the tower as vapor while the gas leaves the absorber at 2 mol CS2 and 2 mol% benzene. How many degrees of freedom does this process have?a. 2 b. 3 c. 0 d. 1 e. 4How many independent material balances can you write? a. 0 b. 3 c. 1 d. 4 e. 2

Given data: Amount of gas stream entering the tower = 100 mol Composition of species in entering gas…

Answered: 100 moles of a gas stream containing 15…

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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100 moles of a gas stream containing 15 mol% CS₂, 18 mol% O₂, and 67 mol% N₂ is fed to a continuous absorption tower. Similarly, liquid benzene is fed to the column in a 2:1 mole ratio to the feed gas. In this process, when benzene gets in contact with the gas stream, it absorbs CS₂ but not O₂ or N₂. Some of the feed benzene evaporates and leaves the top of the tower as vapor while the gas leaves the absorber at 2 mol CS₂ and 2 mol% benzene. How many degrees of freedom does this process have?

a. 2 b. 3 c. 0 d. 1 e. 4

How many independent material balances can you write?

a. 0 b. 3 c. 1 d. 4 e. 2

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