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A gaseous mixture containing 80% N2, 12% Co2, and 8% O2 is cooled from 500degF to 300degf, both conditions being substantially at 1 atm. The gas carried soot(graphite carbon) amounting to 50 grains/ft^3 measured at inlet condition. This carbon must also be cooled. Calculate the enthalpy change(in BTU) during the cooling per 1000ft^3 of the mixture (7000 grains = 1 lbm).

A gaseous mixture containing 80% N2, 12% Co2, and 8% O2 is cooled from 500degF to 300degf, both conditions being substantially at 1 atm. The gas carried soot(graphite carbon) amounting to 50 grains/ft^3 measured at inlet condition. This carbon must also be cooled. Calculate the enthalpy change(in BTU) during the cooling per 1000ft^3 of the mixture (7000 grains = 1 lbm).

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 gaseous mixture containing 80% N2, 12% Co2, and 8% O2 is cooled from 500degF to 300degf, both conditions being substantially at 1 atm. The gas carried soot(graphite carbon) amounting to 50 grains/ft^3 measured at inlet condition. This carbon must also be cooled. Calculate the enthalpy change(in BTU) during the cooling per 1000ft^3 of the mixture (7000 grains = 1 lbm).

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