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reaction vessel compound concentration expected change in concentration CH2CH2NH₂ 0.77 M ○ ↑ increase O↓ decrease (no change) HCI 0.78 M ○ ↑ increase ○ ↓ decrease (no change) A Cl 1.31 M ○ ↑ increase O↓ decrease (no change) CH2CH2NH 0.96 M ○ ↑ increase O↓ decrease ○ (no change) CH2CH2NH₂ 0.85 M ○ ↑ increase Odecrease (no change) HCl 0.86 M ○ ↑ increase ○ ↓ decrease (no change) B Cl 0.69 M O↑ increase O↓ decrease (no change) CH3CH2NH 0.43 M ○ ↑ increase O↓ decrease ○ (no change) CH2CH2NH₂ 0.29 M ↑ increase O decrease HCl 0.30 M ○ ↑ increase O↓ decrease с Cl 1.25 M ↑ increase ○ ↓ decrease CH,CH,NH, 0.99 M O↑ increase O↓ decrease (no change) ○ (no change) (no change) ○ (no change)

reaction vessel compound concentration expected change in concentration CH2CH2NH₂ 0.77 M ○ ↑ increase O↓ decrease (no change) HCI 0.78 M ○ ↑ increase ○ ↓ decrease (no change) A Cl 1.31 M ○ ↑ increase O↓ decrease (no change) CH2CH2NH 0.96 M ○ ↑ increase O↓ decrease ○ (no change) CH2CH2NH₂ 0.85 M ○ ↑ increase Odecrease (no change) HCl 0.86 M ○ ↑ increase ○ ↓ decrease (no change) B Cl 0.69 M O↑ increase O↓ decrease (no change) CH3CH2NH 0.43 M ○ ↑ increase O↓ decrease ○ (no change) CH2CH2NH₂ 0.29 M ↑ increase O decrease HCl 0.30 M ○ ↑ increase O↓ decrease с Cl 1.25 M ↑ increase ○ ↓ decrease CH,CH,NH, 0.99 M O↑ increase O↓ decrease (no change) ○ (no change) (no change) ○ (no change)

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 12.79PAE
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A chemical engineer is studying the following reaction: CH3CH2NH2(aq) + HCl(aq) → Cl˜¯(aq)+CH¸CH₂NH(aq) At the temperature the engineer picks, the equilibrium constant K for this reaction is 2.1. 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.
Transcribed Image Text:A chemical engineer is studying the following reaction: CH3CH2NH2(aq) + HCl(aq) → Cl˜¯(aq)+CH¸CH₂NH(aq) At the temperature the engineer picks, the equilibrium constant K for this reaction is 2.1. 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 compound concentration expected change in concentration CH2CH2NH₂ 0.77 M ○ ↑ increase ○↓ decrease (no change) HCl 0.78 M ↑ increase ○ decrease ○ (no change) A Cl 1.31 M ↑ increase Odecrease CH2CH2NH 0.96 M ○ ↑ increase ○ decrease CH2CH2NH₂ 0.85 M ○ ↑ increase O↓ decrease HCl 0.86 M ○ ↑ increase ○ ↓ decrease B Cl 0.69 M ↑ increase Odecrease CH3CH2NH3 0.43 M ○ ↑ increase O↓ decrease CH3CH2NH₂ 0.29 M ↑ increase Odecrease (no change) ○ (no change) (no change) ○ (no change) (no change) ○ (no change) ○ (no change) HCl 0.30 M ↑ increase Odecrease (no change) C Cl 1.25 M ↑ increase Odecrease ○ (no change) CH,CH,NH, 0.99 M ○ ↑ increase O↓ decrease ○ (no change)
Transcribed Image Text:reaction vessel compound concentration expected change in concentration CH2CH2NH₂ 0.77 M ○ ↑ increase ○↓ decrease (no change) HCl 0.78 M ↑ increase ○ decrease ○ (no change) A Cl 1.31 M ↑ increase Odecrease CH2CH2NH 0.96 M ○ ↑ increase ○ decrease CH2CH2NH₂ 0.85 M ○ ↑ increase O↓ decrease HCl 0.86 M ○ ↑ increase ○ ↓ decrease B Cl 0.69 M ↑ increase Odecrease CH3CH2NH3 0.43 M ○ ↑ increase O↓ decrease CH3CH2NH₂ 0.29 M ↑ increase Odecrease (no change) ○ (no change) (no change) ○ (no change) (no change) ○ (no change) ○ (no change) HCl 0.30 M ↑ increase Odecrease (no change) C Cl 1.25 M ↑ increase Odecrease ○ (no change) CH,CH,NH, 0.99 M ○ ↑ increase O↓ decrease ○ (no change)
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