2 H₂S(g)+3O2(g) → 2 SO2(g)+2H2O(g) At the temperature the engineer picks, the equilibrium constant ✓ for this reaction is 6.8. р The engineer charges ("fills") four reaction vessels with hydrogen sulfide and oxygen, 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 pressure expected change in pressure H₂S 3.38 atm ↑ increase ↓ decrease (no change) 02 2.78 atm ↑ increase ↓ decrease (no change) A SO₂ 0.92 atm ↑ increase ↓ decrease (no change) H₂O 8.33 atm ↑ increase ↓ decrease (no change) H₂S 2.95 atm ↑ increase ↓ decrease (no change) 02 1.87 atm ↑ increase ↓ decrease (no change) B SO₂ 1.89 atm ↑ increase ↓ decrease (no change) H₂O 10.37 atm increase ↓ decrease (no change) H₂S 3.48 atm ↑ increase ↓ decrease (no change) 02 2.93 atm increase ↓ decrease (no change) C So, 0.82 atm ↑ increase ↓ decrease (no change) H₂O 8.23 atm ↑ increase ↓ decrease (no change)
2 H₂S(g)+3O2(g) → 2 SO2(g)+2H2O(g) At the temperature the engineer picks, the equilibrium constant ✓ for this reaction is 6.8. р The engineer charges ("fills") four reaction vessels with hydrogen sulfide and oxygen, 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 pressure expected change in pressure H₂S 3.38 atm ↑ increase ↓ decrease (no change) 02 2.78 atm ↑ increase ↓ decrease (no change) A SO₂ 0.92 atm ↑ increase ↓ decrease (no change) H₂O 8.33 atm ↑ increase ↓ decrease (no change) H₂S 2.95 atm ↑ increase ↓ decrease (no change) 02 1.87 atm ↑ increase ↓ decrease (no change) B SO₂ 1.89 atm ↑ increase ↓ decrease (no change) H₂O 10.37 atm increase ↓ decrease (no change) H₂S 3.48 atm ↑ increase ↓ decrease (no change) 02 2.93 atm increase ↓ decrease (no change) C So, 0.82 atm ↑ increase ↓ decrease (no change) H₂O 8.23 atm ↑ increase ↓ decrease (no change)
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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