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A chemical engineer is studying the following reaction: CH3CH₂NH₂(aq) + HCl(aq) → Cl(aq) + CH3CH₂NH₂(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 ethylamine and hydrogen chloride, 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 A B C с compound CH,CH,NH, H CI CI CH₂CH₂NH3 CH,CH,NH, H Cl Cl CH,CH,NH, CH,CH,NH, H Cl Cl CH,CH,NH, concentration 0.22 M 0.29 M 0.91 M 1.23 M 0.71 M 0.80 M 0.86 M 1.30 M 0.85 M 0.92 M 0.28 M 0.60 M expected change in concentration Ot increase O decrease O decrease Ot increase Ot increase Ot increase Of increase Ot increase Ot increase ↑ Ot increase Ot increase + Ot increase Ot increase O decrease O↓ decrease O decrease ↓ O decrease ↓ Odecrease O decrease O decrease O decrease ↓ O decrease ↓ Ot increase O decrease (no change) O(no change) O (no change) (no change) (no change) (no change) O(no change) (no change) O(no change) O (no change) O(no change) O (no change)

A chemical engineer is studying the following reaction: CH3CH₂NH₂(aq) + HCl(aq) → Cl(aq) + CH3CH₂NH₂(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 ethylamine and hydrogen chloride, 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 A B C с compound CH,CH,NH, H CI CI CH₂CH₂NH3 CH,CH,NH, H Cl Cl CH,CH,NH, CH,CH,NH, H Cl Cl CH,CH,NH, concentration 0.22 M 0.29 M 0.91 M 1.23 M 0.71 M 0.80 M 0.86 M 1.30 M 0.85 M 0.92 M 0.28 M 0.60 M expected change in concentration Ot increase O decrease O decrease Ot increase Ot increase Ot increase Of increase Ot increase Ot increase ↑ Ot increase Ot increase + Ot increase Ot increase O decrease O↓ decrease O decrease ↓ O decrease ↓ Odecrease O decrease O decrease O decrease ↓ O decrease ↓ Ot increase O decrease (no change) O(no change) O (no change) (no change) (no change) (no change) O(no change) (no change) O(no change) O (no change) O(no change) O (no change)

Chemistry: The Molecular Science
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter12: Chemical Equilibrium
Section: Chapter Questions
Problem 51QRT: At room temperature, the equilibrium constant Kc for the reaction 2 NO(g) ⇌ N2(g) + O2(g) is 1.4 ×...
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A chemical engineer is studying the following reaction: CH3CH₂NH₂(aq) + HCl(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 ethylamine and hydrogen chloride, 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 A B C compound CH,CH,NH, H Cl Cl CH₂CH₂NH3 CH,CH,NH, H Cl Cl CH,CH,NH, CH,CH,NH, H Cl Cl Cl¯(aq)+CH₂CH₂NH²(aq) CH,CH,NH, concentration 0.22 M 0.29 M 0.91 M 1.23 M 0.71 M 0.80 M 0.86 M 1.30 M 0.85 M 0.92 M 0.28 M 0.60 M expected change in concentration ↑ increase ↑ increase ↑ increase ↑ increase increase ↑ increase increase ↑ increase ↑ increase ↑ increase ↑ increase ↑ increase ↓ decrease ↓ decrease ↓ decrease decrease ↓ decrease ↓ decrease ↓ decrease ↓ decrease ↓ decrease ↓ decrease decrease ↓ decrease (no change) (no change) (no change) (no change) (no change) (no change) (no change) (no change) (no change) (no change) (no change) (no change)
Transcribed Image Text:A chemical engineer is studying the following reaction: CH3CH₂NH₂(aq) + HCl(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 ethylamine and hydrogen chloride, 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 A B C compound CH,CH,NH, H Cl Cl CH₂CH₂NH3 CH,CH,NH, H Cl Cl CH,CH,NH, CH,CH,NH, H Cl Cl Cl¯(aq)+CH₂CH₂NH²(aq) CH,CH,NH, concentration 0.22 M 0.29 M 0.91 M 1.23 M 0.71 M 0.80 M 0.86 M 1.30 M 0.85 M 0.92 M 0.28 M 0.60 M expected change in concentration ↑ increase ↑ increase ↑ increase ↑ increase increase ↑ increase increase ↑ increase ↑ increase ↑ increase ↑ increase ↑ increase ↓ decrease ↓ decrease ↓ decrease decrease ↓ decrease ↓ decrease ↓ decrease ↓ decrease ↓ decrease ↓ decrease decrease ↓ decrease (no change) (no change) (no change) (no change) (no change) (no change) (no change) (no change) (no change) (no change) (no change) (no change)
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