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18. From the following reacțions and thermal data at 25°C 3 2 Fe(s) + O2(g) = Fe,O1(s) ΔΗ- -196,500 cal %3D 2 FeO(s) + ;0:(g) Fe(s) + 2 H* (a = 1) Fe;Oa(s) AH° - 67,900 cal %3D - Fe++ (a = 1) + H;(g) ΔΗ -21,000 cal %3D %3D 1 2 H:(g) - H+ (a = 1) AH° = 0 cal %3D 1 Hi(g) +;0:(g) H;O(1) ΔΗ - 68,320 cal %3D %3D

18. From the following reacțions and thermal data at 25°C 3 2 Fe(s) + O2(g) = Fe,O1(s) ΔΗ- -196,500 cal %3D 2 FeO(s) + ;0:(g) Fe(s) + 2 H* (a = 1) Fe;Oa(s) AH° - 67,900 cal %3D - Fe++ (a = 1) + H;(g) ΔΗ -21,000 cal %3D %3D 1 2 H:(g) - H+ (a = 1) AH° = 0 cal %3D 1 Hi(g) +;0:(g) H;O(1) ΔΗ - 68,320 cal %3D %3D

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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18. From the following reacțions and thermal data at 25°C 2 Fe(s) +O2(g) = Fe;O3(s) ΔΗ - 196,500 cal %3D %3D 1 2 FeO(s) +02(g) = Fe;O3(s) - 67,900 cal ΔΗ Fe(s) + 2 H* (a = 1) = Fe++ (a = 1) + H2(g) ΔΗ -21,000 cal %3! %3D %3D 1 H:(g) H+ (a = 1) AHº = 0 cal H;(g) +02(g) = H;0(1) AH° = -68,320 cal calculate AH° of the reaction: FeO(s) + 2 H+ (a = !) Н.0() + Fe++ (а — 1) %3D
Transcribed Image Text:18. From the following reacțions and thermal data at 25°C 2 Fe(s) +O2(g) = Fe;O3(s) ΔΗ - 196,500 cal %3D %3D 1 2 FeO(s) +02(g) = Fe;O3(s) - 67,900 cal ΔΗ Fe(s) + 2 H* (a = 1) = Fe++ (a = 1) + H2(g) ΔΗ -21,000 cal %3! %3D %3D 1 H:(g) H+ (a = 1) AHº = 0 cal H;(g) +02(g) = H;0(1) AH° = -68,320 cal calculate AH° of the reaction: FeO(s) + 2 H+ (a = !) Н.0() + Fe++ (а — 1) %3D
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