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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 for Engineering Students
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter12: Chemical Equilibrium
Section: Chapter Questions
Problem 12.41PAE: Because calcium carbonate is a sink for CO32- in a lake, the student in Exercise 12.39 decides to go...
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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)
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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