A chemical engineer is studying the following reaction: HCH,CO2(aq)+CH,NH2(aq) →CH,CO₂(aq)+CH, NH (aq) At the temperature the engineer picks, the equilibrium constant K for this reaction is 0.54. The engineer charges ("fills") four reaction vessels with acetic acid and methylamine, and lets the reaction begin. She then measures the composition of the mixture inside each vessel from time to time. Her first set of measurements are shown in the table below. Predict the changes in the compositions the engineer should expect next time she measures the compositions. reaction vessel compound concentration expected change in concentration HCH,CO₂ 1.01 M O increase O decrease O (no change) CHINH, 1.22 M O↑ increase O decrease O (no change) A CH,CO, 0.64 M O increase O decrease O (no change) CHÍNH, 1.04 M O↑ increase Odecrease O(no change) HCH CO₂ 0.33 M O↑ increase O decrease O (no change) CHÍNH, 0.50 M O↑ increase O decrease O (no change) B CH,CO, CHINH, 1.01 M O increase O decrease O (no change) 1.34 M O increase O decrease O (no change) HCH, CO₂ 0.82 M O↑ increase O decrease O (no change) CH3NH₂ 0.99 M O↑ increase O decrease O (no change) C CH,CO, 0.52 M O↑ increase Odecrease O (no change) CHINH, 0.85 M O↑ increase O decrease O (no change)
A chemical engineer is studying the following reaction: HCH,CO2(aq)+CH,NH2(aq) →CH,CO₂(aq)+CH, NH (aq) At the temperature the engineer picks, the equilibrium constant K for this reaction is 0.54. The engineer charges ("fills") four reaction vessels with acetic acid and methylamine, and lets the reaction begin. She then measures the composition of the mixture inside each vessel from time to time. Her first set of measurements are shown in the table below. Predict the changes in the compositions the engineer should expect next time she measures the compositions. reaction vessel compound concentration expected change in concentration HCH,CO₂ 1.01 M O increase O decrease O (no change) CHINH, 1.22 M O↑ increase O decrease O (no change) A CH,CO, 0.64 M O increase O decrease O (no change) CHÍNH, 1.04 M O↑ increase Odecrease O(no change) HCH CO₂ 0.33 M O↑ increase O decrease O (no change) CHÍNH, 0.50 M O↑ increase O decrease O (no change) B CH,CO, CHINH, 1.01 M O increase O decrease O (no change) 1.34 M O increase O decrease O (no change) HCH, CO₂ 0.82 M O↑ increase O decrease O (no change) CH3NH₂ 0.99 M O↑ increase O decrease O (no change) C CH,CO, 0.52 M O↑ increase Odecrease O (no change) CHINH, 0.85 M O↑ increase O decrease O (no change)
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:
HCH3CO2(aq)+CH3NH2(aq) → CH3CO2(aq) + CH3NH3(aq)
At the temperature the engineer picks, the equilibrium constant K for this reaction is 0.54.
The engineer charges ("fills") four reaction vessels with acetic acid and methylamine, and lets the reaction begin. She then measures the
composition of the mixture inside each vessel from time to time. Her first set of measurements are shown in the table below.
Predict the changes in the compositions the engineer should expect next time she measures the compositions.
reaction
vessel
compound
concentration
expected change in concentration
HCH,CO₂
1.01 M
O↑ increase
CH3NH2
1.22 M
O decrease
O↑ increase O decrease
O (no change)
O (no change)
A
CH,CO,
0.64 M
O↑ increase
O decrease
O (no change)
CH, NH3
1.04 M
O ↑ increase
O decrease
O (no change)
HCH CO₂
0.33 M
O↑ increase
O decrease
O(no change)
CHÍNH,
0.50 M
O↑ increase
O decrease
O (no change)
B
CH,CO,
1.01 M
O increase O decrease
O (no change)
CH3NH3
1.34 M
O↑ increase
O decrease
O (no change)
HCH, CO₂
0.82 M
O↑ increase O decrease
O (no change)
CH3NH2
0.99 M
O↑ increase
Odecrease
O (no change)
C
CH,CO.
0.52 M
O↑ increase
O decrease
O (no change)
CH3NH3
0.85 M
O↑ increase
O decrease
O (no change)
5
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