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A chemical engineer is studying the following reaction: N₂(g) + 3H₂(g) → 2 NH3(g) At the temperature the engineer picks, the equilibrium constant K for this reaction is 0.00073. The engineer charges ("fills") three reaction vessels with nitrogen and hydrogen, 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 N₂ H, NH3 N₂ H₂ NH3 N₂ H₂ ΝΗ, pressure 44.19 atm 39.02 atm 45.75 atm 50.30 atm 45.08 atm 57.84 atm 44.02 atm 38.49 atm 46.11 atm expected change in pressure Ot increase O decrease Ot increase O decrease ↑ increase ↑ increase Ot increase ↑ increase Ot increase ↑ Ot increase Ot increase O decrease O decrease ↓ O decrease O decrease ↓ decrease O↓ decrease O decrease ↓ X (no change) (no change) O(no change) (no change) O(no change) (no change) (no change) O(no change) O(no change) 15

A chemical engineer is studying the following reaction: N₂(g) + 3H₂(g) → 2 NH3(g) At the temperature the engineer picks, the equilibrium constant K for this reaction is 0.00073. The engineer charges ("fills") three reaction vessels with nitrogen and hydrogen, 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 N₂ H, NH3 N₂ H₂ NH3 N₂ H₂ ΝΗ, pressure 44.19 atm 39.02 atm 45.75 atm 50.30 atm 45.08 atm 57.84 atm 44.02 atm 38.49 atm 46.11 atm expected change in pressure Ot increase O decrease Ot increase O decrease ↑ increase ↑ increase Ot increase ↑ increase Ot increase ↑ Ot increase Ot increase O decrease O decrease ↓ O decrease O decrease ↓ decrease O↓ decrease O decrease ↓ X (no change) (no change) O(no change) (no change) O(no change) (no change) (no change) O(no change) O(no change) 15

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 12.40PAE: Because carbonic acid undergoes a second ionization, the student in Exercise 12.39 is concerned that...
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A chemical engineer is studying the following reaction: N₂(g) + 3H₂(g) → 2 NH3(9) At the temperature the engineer picks, the equilibrium constant K₁ for this reaction is 0.00073. P The engineer charges ("fills") three reaction vessels with nitrogen and hydrogen, 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 с compound N2 H₂ NH3 N₂ H₂ NH3 N2 H₂ NH3 pressure 44.19 atm 39.02 atm 45.75 atm 50.30 atm 45.08 atm 57.84 atm 44.02 atm 38.49 atm 46.11 atm OO expected change in ↑ increase ↑ increase ↑ increase ↑ increase ↑ increase ↑ increase ↑ increase ↑ increase ↑ increase ↓ decrease ↓ decrease ↓ decrease ↓ decrease ↓ decrease ↓ decrease decrease ↓ decrease ↓ decrease X ressure (no change) (no change) (no change) (no change) (no change) (no change) (no change) (no change) (no change) Ś
Transcribed Image Text:A chemical engineer is studying the following reaction: N₂(g) + 3H₂(g) → 2 NH3(9) At the temperature the engineer picks, the equilibrium constant K₁ for this reaction is 0.00073. P The engineer charges ("fills") three reaction vessels with nitrogen and hydrogen, 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 с compound N2 H₂ NH3 N₂ H₂ NH3 N2 H₂ NH3 pressure 44.19 atm 39.02 atm 45.75 atm 50.30 atm 45.08 atm 57.84 atm 44.02 atm 38.49 atm 46.11 atm OO expected change in ↑ increase ↑ increase ↑ increase ↑ increase ↑ increase ↑ increase ↑ increase ↑ increase ↑ increase ↓ decrease ↓ decrease ↓ decrease ↓ decrease ↓ decrease ↓ decrease decrease ↓ decrease ↓ decrease X ressure (no change) (no change) (no change) (no change) (no change) (no change) (no change) (no change) (no change) Ś
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