Ammonia gas enters the reactor of a nitric acid plant mixed with 30% more dry air than is required to form nitric acid and water vapor. If the gases enter the reactor at 348.15 K, if the conversion. is 80%, if no side reactions occur, and if the reactor operates adiabatically, answer the following questions: a) 4 NH3(g) +502 (g) →4 NO(g) + 6 H2O(g) Construct a stochiometric table for the following reaction and derive the molar fractions of each species exiting the reactor. [8] b) Write the energy balance for this steady flow process with no shaft work and show schematically in a diagram the path followed by the process. [4] c) Evaluate the MCHP (mean of the heat capacities) to cool the reactants from 348.15K to 298.15K. Use a table format in order to answer this question. [10] d) e) Estimate the standard heat of reactions AH0298 at 298.15K for the reaction. What is the temperature of the gases leaving the reactor? Assume ideal gases. The following data are given: [3] [5] (Cp) (MCPH) = R ACP - R AB · = AA + ¯¯¯¯ (T + T₁) + : − dT = (AA)T。(t − 1) + 뽈(2-1)+(3. T² (t² − 1) + AD TTO AD + 01/01 (1 == 1) -T¾³ (7³ − 1) + - AC ·(T² + T²² + TT。) + 3
Ammonia gas enters the reactor of a nitric acid plant mixed with 30% more dry air than is required to form nitric acid and water vapor. If the gases enter the reactor at 348.15 K, if the conversion. is 80%, if no side reactions occur, and if the reactor operates adiabatically, answer the following questions: a) 4 NH3(g) +502 (g) →4 NO(g) + 6 H2O(g) Construct a stochiometric table for the following reaction and derive the molar fractions of each species exiting the reactor. [8] b) Write the energy balance for this steady flow process with no shaft work and show schematically in a diagram the path followed by the process. [4] c) Evaluate the MCHP (mean of the heat capacities) to cool the reactants from 348.15K to 298.15K. Use a table format in order to answer this question. [10] d) e) Estimate the standard heat of reactions AH0298 at 298.15K for the reaction. What is the temperature of the gases leaving the reactor? Assume ideal gases. The following data are given: [3] [5] (Cp) (MCPH) = R ACP - R AB · = AA + ¯¯¯¯ (T + T₁) + : − dT = (AA)T。(t − 1) + 뽈(2-1)+(3. T² (t² − 1) + AD TTO AD + 01/01 (1 == 1) -T¾³ (7³ − 1) + - AC ·(T² + T²² + TT。) + 3
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
Related questions
Question
![Ammonia gas enters the reactor of a nitric acid plant mixed with 30% more dry air than is required
to form nitric acid and water vapor. If the gases enter the reactor at 348.15 K, if the conversion.
is 80%, if no side reactions occur, and if the reactor operates adiabatically, answer the
following questions:
a)
4 NH3(g) +502 (g) →4 NO(g) + 6 H2O(g)
Construct a stochiometric table for the following reaction and derive the molar fractions of
each species exiting the reactor.
[8]
b)
Write the energy balance for this steady flow process with no shaft work and show
schematically in a diagram the path followed by the process.
[4]
c)
Evaluate the MCHP (mean of the heat capacities) to cool the reactants from 348.15K to
298.15K. Use a table format in order to answer this question.
[10]
d)
e)
Estimate the standard heat of reactions AH0298 at 298.15K for the reaction.
What is the temperature of the gases leaving the reactor? Assume ideal gases.
The following data are given:
[3]
[5]
(Cp)
(MCPH)
=
R
ACP
-
R
AB
· = AA + ¯¯¯¯ (T + T₁) + :
− dT = (AA)T。(t − 1) +
뽈(2-1)+(3.
T² (t² − 1) +
AD
TTO
AD
+ 01/01 (1 == 1)
-T¾³ (7³ − 1) +
-
AC
·(T² + T²² + TT。) +
3](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8b6ad187-b818-4f1f-856f-d9f8d5beb568%2F6a676723-1d09-4795-9954-4d9e38b06768%2F1sj875b_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Ammonia gas enters the reactor of a nitric acid plant mixed with 30% more dry air than is required
to form nitric acid and water vapor. If the gases enter the reactor at 348.15 K, if the conversion.
is 80%, if no side reactions occur, and if the reactor operates adiabatically, answer the
following questions:
a)
4 NH3(g) +502 (g) →4 NO(g) + 6 H2O(g)
Construct a stochiometric table for the following reaction and derive the molar fractions of
each species exiting the reactor.
[8]
b)
Write the energy balance for this steady flow process with no shaft work and show
schematically in a diagram the path followed by the process.
[4]
c)
Evaluate the MCHP (mean of the heat capacities) to cool the reactants from 348.15K to
298.15K. Use a table format in order to answer this question.
[10]
d)
e)
Estimate the standard heat of reactions AH0298 at 298.15K for the reaction.
What is the temperature of the gases leaving the reactor? Assume ideal gases.
The following data are given:
[3]
[5]
(Cp)
(MCPH)
=
R
ACP
-
R
AB
· = AA + ¯¯¯¯ (T + T₁) + :
− dT = (AA)T。(t − 1) +
뽈(2-1)+(3.
T² (t² − 1) +
AD
TTO
AD
+ 01/01 (1 == 1)
-T¾³ (7³ − 1) +
-
AC
·(T² + T²² + TT。) +
3
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