A chemical engineer is studying the following reaction: HCH,CO,(aq)+CH,NH,(aq) → CH,CO,(aq)+CH,NH,(aq) At the temperature the engineer picks, the equilibrium constant K for this reaction is 2.0. The engineer charges ("fills") four reaction vessels with acetic acid and methylamine, and lets the reaction begin. He then measures the composition of the mixture inside each vessel from time to time. His first set of measurements are shown in the table below. Predict the changes in the compositions the engineer should expect next time he measures the compositions. reaction vessel compound expected change in concentration concentration 0.64 M HCH3CO₂ Ot increase ↓ decrease (no change) CH,NH, 0.50 M ↑ increase decrease (no change) A 0.66 M CH3CO₂ ↑ increase O decrease (no change) CHÍNH, 0.99 M ↑ increase O decrease O(no change) HCH3CO₂ 0.33 M ↑ increase (no change) decrease Odecrease CH,NH, 0.19 M ↑ increase (no change) B CH3CO₂ 0.97 M ↑ increase O decrease (no change) 1.30 M ↑ increase (no change) CH,NH, HCH3CO₂ decrease decrease 0.95 M ↑ increase (no change) CH,NH, 0.81 M ↑ increase O decrease (no change) с с CH₂ CO₂ 0.35 M O decrease (no change) CH,NH, 0.68 M decrease (no change) O↑ increase ↑ increase
A chemical engineer is studying the following reaction: HCH,CO,(aq)+CH,NH,(aq) → CH,CO,(aq)+CH,NH,(aq) At the temperature the engineer picks, the equilibrium constant K for this reaction is 2.0. The engineer charges ("fills") four reaction vessels with acetic acid and methylamine, and lets the reaction begin. He then measures the composition of the mixture inside each vessel from time to time. His first set of measurements are shown in the table below. Predict the changes in the compositions the engineer should expect next time he measures the compositions. reaction vessel compound expected change in concentration concentration 0.64 M HCH3CO₂ Ot increase ↓ decrease (no change) CH,NH, 0.50 M ↑ increase decrease (no change) A 0.66 M CH3CO₂ ↑ increase O decrease (no change) CHÍNH, 0.99 M ↑ increase O decrease O(no change) HCH3CO₂ 0.33 M ↑ increase (no change) decrease Odecrease CH,NH, 0.19 M ↑ increase (no change) B CH3CO₂ 0.97 M ↑ increase O decrease (no change) 1.30 M ↑ increase (no change) CH,NH, HCH3CO₂ decrease decrease 0.95 M ↑ increase (no change) CH,NH, 0.81 M ↑ increase O decrease (no change) с с CH₂ CO₂ 0.35 M O decrease (no change) CH,NH, 0.68 M decrease (no change) O↑ increase ↑ increase
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:A chemical engineer is studying the following reaction:
HCH,CO,(aq)+CH,NH,(aq) → CH,CO,(aq)+CH,NH,(aq)
At the temperature the engineer picks, the equilibrium constant K for this reaction is 2.0.
с
The engineer charges ("fills") four reaction vessels with acetic acid and methylamine, and lets the reaction begin. He then measures the composition of
the mixture inside each vessel from time to time. His first set of measurements are shown in the table below.
Predict the changes in the compositions the engineer should expect next time he measures the compositions.
reaction
vessel
compound
concentration
expected change in concentration
HCH3CO2
0.64 M
CH,NH,
0.50 M
A
CH3CO₂
0.66 M
CH₂NH3
0.99 M
HCH3CO2
0.33 M
0.19 M
CH,NH,
B
CH3CO2
0.97 M
CH₂NH3
1.30 M
HCH3CO₂
CH,NH,
0.95 M
0.81 M
CH3CO₂
0.35 M
CH3NH3
0.68 M
↑ increase O decrease
O↑ increase O decrease
Ot increase O decrease
Ot increase O decrease
Ot increase
↓ decrease
↓decrease
Ot increase
O↑ increase
O decrease
Ot increase
O decrease
Of increase
decrease
O↑ increase
O decrease
O↑ increase
O decrease
Ot increase
O decrease
(no change)
(no change)
(no change)
(no change)
(no change)
(no change)
O(no change)
(no change)
(no change)
(no change)
(no change)
(no change)
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