An iron pyrite ore containing 85.0% FeS2 and 15.0% gangue (inert dirt, rock, etc.) is roasted with an amount of air equal to 200% excess air in order to produce SO2. All the gangue plus the Fe2O3 end up in the solid waste product (cinder), which analyzes 4.0% FeS2. Determine the standard heat of reaction per kilogram of ore.

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Answered: An iron pyrite ore containing 85.0%…

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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An iron pyrite ore containing 85.0% FeS₂ and 15.0% gangue (inert dirt, rock, etc.) is roasted with an amount of air equal to 200% excess air in order to produce SO₂. All the gangue plus the Fe₂O₃ end up in the solid waste product (cinder), which analyzes 4.0% FeS₂. Determine the standard heat of reaction per kilogram of ore.

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