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The standard heat of reaction for the oxidation of ammonia is given below: 4 NH3(g) + 5 O2(g) 4 NO(g) + 6 H20(v): One hundred mol NH3/s and 200 mol O2/s at 25°C are fed into a reactor in which the ammonia is completely consumed. The product gas emerges at 300°C. Calculate the rate at which heat must be transferred to or from the reactor, assuming operation at approximately 1 atm. Solution: (100 mol NH3/s {200 mo! 02/s 25°C 300°C If ammonia is completely consumed then the product flow rates will be as follows: NNH3 = NNH3,0 45 0= 100 – 45 5 = 25 NH20 = NH20,0 + 65 NH20 = 0 + 6(25) = 150 mol/s no2 = no20 - 58 NNO = NNo + 45 = 200 – 5x25 = 75 mol/s no2 NNo = 0 + 4(25)=100 mol/s

The standard heat of reaction for the oxidation of ammonia is given below: 4 NH3(g) + 5 O2(g) 4 NO(g) + 6 H20(v): One hundred mol NH3/s and 200 mol O2/s at 25°C are fed into a reactor in which the ammonia is completely consumed. The product gas emerges at 300°C. Calculate the rate at which heat must be transferred to or from the reactor, assuming operation at approximately 1 atm. Solution: (100 mol NH3/s {200 mo! 02/s 25°C 300°C If ammonia is completely consumed then the product flow rates will be as follows: NNH3 = NNH3,0 45 0= 100 – 45 5 = 25 NH20 = NH20,0 + 65 NH20 = 0 + 6(25) = 150 mol/s no2 = no20 - 58 NNO = NNo + 45 = 200 – 5x25 = 75 mol/s no2 NNo = 0 + 4(25)=100 mol/s

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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Basic Principles of Chemical Engineering Question

Solve this problem while do not use  ΔĤr 0 and use Heat of Formation and use tables B1 and B2 and B8 from Elementary Principles of Chemical Processes (3rd Edition) book if it is necessary.

(I can not send these tables because of image sending limit is just two for Bartleby.)

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(100 mol NH3/s 200 mo! 02/s 100 moi NO/s 150 mol H20/s 75 mol 02/s 25°C 300°C References: NH;(g), O2(g), NO(g), H2O(v) at 25°C and 1 atm Hout (kJ/mol) nout nin (mol/s) Substance (kJ/mol) (mol/s) NH3 100 - O2 200 75 NO 100 H2O 150 -
Transcribed Image Text:(100 mol NH3/s 200 mo! 02/s 100 moi NO/s 150 mol H20/s 75 mol 02/s 25°C 300°C References: NH;(g), O2(g), NO(g), H2O(v) at 25°C and 1 atm Hout (kJ/mol) nout nin (mol/s) Substance (kJ/mol) (mol/s) NH3 100 - O2 200 75 NO 100 H2O 150 -
EX: The standard heat of reaction for the oxidation of ammonia is given below: 4 NH3(g) + 5 O2(g) 4 NO(g) + 6 H20(v): One hundred mol NH3/s and 200 mol O2ls at 25°C are fed into a reactor in which the ammonia is completely consumed. The product gas emerges at 300°C. Calculate the rate at which heat must be transferred to or from the reactor, assuming operation at approximately 1 atm. Solution: (100 mol NH3/s 200 mo! 02/s 25°C 300°C If ammonia is completely consumed then the product flow rates will be as follows: NNH3 = NNH3,0 45 0= 100 – 45 } = 25 NH20 NH20,0 + 65 NNo = NNo + 4} NNo = 0 + 4(25)=100 mol/s no2 no20 - 55 NH20 = 0 + 6(25) = 150 mol/s = 200 – 5x25 = no2 75 тol/s
Transcribed Image Text:EX: The standard heat of reaction for the oxidation of ammonia is given below: 4 NH3(g) + 5 O2(g) 4 NO(g) + 6 H20(v): One hundred mol NH3/s and 200 mol O2ls at 25°C are fed into a reactor in which the ammonia is completely consumed. The product gas emerges at 300°C. Calculate the rate at which heat must be transferred to or from the reactor, assuming operation at approximately 1 atm. Solution: (100 mol NH3/s 200 mo! 02/s 25°C 300°C If ammonia is completely consumed then the product flow rates will be as follows: NNH3 = NNH3,0 45 0= 100 – 45 } = 25 NH20 NH20,0 + 65 NNo = NNo + 4} NNo = 0 + 4(25)=100 mol/s no2 no20 - 55 NH20 = 0 + 6(25) = 150 mol/s = 200 – 5x25 = no2 75 тol/s
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