The conversion of A to R occurs via the following reaction. AzR; The equilibrium constant is temperature dependant: K-CR -TA=TR = K₂CA-K₂CR K = exp 53000 - 24.7] RT
The conversion of A to R occurs via the following reaction. AzR; The equilibrium constant is temperature dependant: K-CR -TA=TR = K₂CA-K₂CR K = exp 53000 - 24.7] RT
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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Question
![The conversion of A to R occurs via the following reaction.
AZER;
CA
The equilibrium constant is temperature dependant:
K = exp 53000 - 24.7]
RT
The rate constants are temperature dependant:
k₁ = exp[17.34 -
xp [17.34-489001 year-1
ᎡᎢ .
k₂ = exp[42.04 - ¹
1242001
RT
year-1
a) Determine the temperature at which the equilibrium concentration of A and R is equal.
b) Determine the time taken to reach equilibrium (within 1% of final CA and CR).
c) What is the equilibrium concentration of each species if K=3.
d)
Determine the temperature at which 95% conversion of A is reached at equilibrium.
e) Determine the time taken to reach equilibrium for this new temperature case (within 1% of
final CA and CR).
f) Explain in general how an increase in temperature may improve the performance of a
chemical reaction.
g) Explain why an increase in temperature may not result in favourable yield of the desired
product in this case.
h) Explain how a catalyst may affect the performance of this reaction.
i)
If the reverse reaction was 2nd order rather than elementary, what changes would be
observed in the reaction?
-TA=TR = k₁CA-K₂CR](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5b530949-f0e7-4baf-a96f-8e792be28198%2F510b0691-582f-4a9e-9c02-4acb603f6bd2%2Fpcg7nqr_processed.png&w=3840&q=75)
Transcribed Image Text:The conversion of A to R occurs via the following reaction.
AZER;
CA
The equilibrium constant is temperature dependant:
K = exp 53000 - 24.7]
RT
The rate constants are temperature dependant:
k₁ = exp[17.34 -
xp [17.34-489001 year-1
ᎡᎢ .
k₂ = exp[42.04 - ¹
1242001
RT
year-1
a) Determine the temperature at which the equilibrium concentration of A and R is equal.
b) Determine the time taken to reach equilibrium (within 1% of final CA and CR).
c) What is the equilibrium concentration of each species if K=3.
d)
Determine the temperature at which 95% conversion of A is reached at equilibrium.
e) Determine the time taken to reach equilibrium for this new temperature case (within 1% of
final CA and CR).
f) Explain in general how an increase in temperature may improve the performance of a
chemical reaction.
g) Explain why an increase in temperature may not result in favourable yield of the desired
product in this case.
h) Explain how a catalyst may affect the performance of this reaction.
i)
If the reverse reaction was 2nd order rather than elementary, what changes would be
observed in the reaction?
-TA=TR = k₁CA-K₂CR
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