A chemical engineer is studying the following reaction: HCH₂CO₂(aq)+CH3NH2(aq) → CH₂CO₂(aq)+CH₂NH(aq) At the temperature the engineer picks, the equilibrium constant K for this reaction is 1.5. 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.

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A chemical engineer is studying the following reaction:
HCH3CO2(aq)+CH3NH2(aq) →CH₂CO₂(aq) + CH3NH(aq)
At the temperature the engineer picks, the equilibrium constant K for this reaction is 1.5.
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.
Transcribed Image Text:A chemical engineer is studying the following reaction: HCH3CO2(aq)+CH3NH2(aq) →CH₂CO₂(aq) + CH3NH(aq) At the temperature the engineer picks, the equilibrium constant K for this reaction is 1.5. 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
0.15 M
O↑ increase
Odecrease
○ (no change)
CH3NH2
0.54 M
O↑ increase
○ decrease
○ (no change)
CH3CO₂
1.24 M
O↑ increase
↓ decrease
○ (no change)
CHÍNH
1.37 M
○ ↑ increase
↓ decrease
○ (no change)
HCH2CO₂
0.75 M
O↑ increase
↓ decrease
○ (no change)
CH3NH2
1.27 M
↑ increase
↓ decrease
(no change)
B
CH3CO₂
1.11 M
↑ increase
↓ decrease
(no change)
CH3NH3
1.28 M
O↑ increase
↓ decrease
○ (no change)
HCH3CO₂
1.00 M
↑ increase
↓ decrease
○ (no change)
CH3NH2
1.39 M
↑ increase
decrease
○ (no change)
C
CH3CO2
0.39 M
↑ increase
↓ decrease
O (no change)
CHÍNH,
0.52 M
○ ↑ increase
decrease
○ (no change)
Transcribed Image Text:reaction vessel compound concentration expected change in concentration HCH3CO₂ 0.15 M O↑ increase Odecrease ○ (no change) CH3NH2 0.54 M O↑ increase ○ decrease ○ (no change) CH3CO₂ 1.24 M O↑ increase ↓ decrease ○ (no change) CHÍNH 1.37 M ○ ↑ increase ↓ decrease ○ (no change) HCH2CO₂ 0.75 M O↑ increase ↓ decrease ○ (no change) CH3NH2 1.27 M ↑ increase ↓ decrease (no change) B CH3CO₂ 1.11 M ↑ increase ↓ decrease (no change) CH3NH3 1.28 M O↑ increase ↓ decrease ○ (no change) HCH3CO₂ 1.00 M ↑ increase ↓ decrease ○ (no change) CH3NH2 1.39 M ↑ increase decrease ○ (no change) C CH3CO2 0.39 M ↑ increase ↓ decrease O (no change) CHÍNH, 0.52 M ○ ↑ increase decrease ○ (no change)
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