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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
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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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
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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