A substance (A) reacts to form another substance (B) according to: 3B(g) = 2A(g) The reaction is run at a particular temperature with the concentrations of A and B monitored over time and plotted on the graph below. At what time was equilibrium first reached and what is the approximate value of the equilibrium constant? 2.0 1.8 E 1.6 1.4 [B] 1.2 1.0 0.8 0.6 0.4 [A] 0.2 0.0 40 50 60 70 80 90 100 110 120 130 140 150 time / min 10 20 30 Equilibrium was reached at 70 min with K. = 0.0056. Equilibrium was reached at 30 min with K. = 0.0056. Equilibrium was reached at 30 min with K. = 0.023. Equilibrium was reached at 70 min with K. = 0.023. concentration / M
A substance (A) reacts to form another substance (B) according to: 3B(g) = 2A(g) The reaction is run at a particular temperature with the concentrations of A and B monitored over time and plotted on the graph below. At what time was equilibrium first reached and what is the approximate value of the equilibrium constant? 2.0 1.8 E 1.6 1.4 [B] 1.2 1.0 0.8 0.6 0.4 [A] 0.2 0.0 40 50 60 70 80 90 100 110 120 130 140 150 time / min 10 20 30 Equilibrium was reached at 70 min with K. = 0.0056. Equilibrium was reached at 30 min with K. = 0.0056. Equilibrium was reached at 30 min with K. = 0.023. Equilibrium was reached at 70 min with K. = 0.023. concentration / M
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
![A substance (A) reacts to form another substance (B) according to:
3B(g) = 2A(g)
The reaction is run at a particular temperature with the concentrations of A and B monitored over time
and plotted on the graph below. At what time was equilibrium fırst reached and what is the
approximate value of the equilibrium constant?
2.0
1.8
E 1.6
1.4
[B]
1.2
1.0
0.8
0.6
0.4
[A]
0.2
0.0
10
20 30
40 50 60 70 80 90 100 110 120 130 140 150
time / min
O Equilibrium was reached at 70 min with K. = 0.0056.
O Equilibrium was reached at 30 min with K. = 0.0056.
Equilibrium was reached at 30 min with K. = 0.023.
Equilibrium was reached at 70 min with K. = 0.023.
concentration / M](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd5025038-4a03-471e-8e20-27845c24f98a%2Fd9e44b0b-08d1-4199-bd48-57b965f1f609%2F2nk786_processed.png&w=3840&q=75)
Transcribed Image Text:A substance (A) reacts to form another substance (B) according to:
3B(g) = 2A(g)
The reaction is run at a particular temperature with the concentrations of A and B monitored over time
and plotted on the graph below. At what time was equilibrium fırst reached and what is the
approximate value of the equilibrium constant?
2.0
1.8
E 1.6
1.4
[B]
1.2
1.0
0.8
0.6
0.4
[A]
0.2
0.0
10
20 30
40 50 60 70 80 90 100 110 120 130 140 150
time / min
O Equilibrium was reached at 70 min with K. = 0.0056.
O Equilibrium was reached at 30 min with K. = 0.0056.
Equilibrium was reached at 30 min with K. = 0.023.
Equilibrium was reached at 70 min with K. = 0.023.
concentration / M
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