A chemical engineer is studying the following reaction: 2 NO(g) +2H₂(g) → N₂(g)+2H₂O(g) At the temperature the engineer picks, the equilibrium constant K for this reaction is 0.44. The engineer charges ("fills") four reaction vessels with nitrogen monoxide 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 NO H₂ N₂ H₂O NO H₂ N₂ H₂O NO H₂ N₂ H₂O pressure 4.34 atm 7.48 atm 6.16 atm 4.87 atm 3.79 atm 7.27 atm 7.59 atm 6.64 atm 2.60 atm 5.74 atm 7,03 atm 6.61 atm expected change in pressure Ot increase Ot increase O † increase Ot increase O † increase Ot increase O † increase Ot increase Ot increase O † increase ↑ Ot increase Ot increase O↓ decrease O decrease ↓ O decrease O decrease O decrease ↓ O decrease ↓ O decrease O decrease O decrease ↓ O decrease O decrease O decrease O (no change) O (no change) O (no change) O (no change) O (no change) O (no change) O (no change) O (no change) O (no change) O (no change) O (no change) O (no change) E olo Ar Ⓡ
A chemical engineer is studying the following reaction: 2 NO(g) +2H₂(g) → N₂(g)+2H₂O(g) At the temperature the engineer picks, the equilibrium constant K for this reaction is 0.44. The engineer charges ("fills") four reaction vessels with nitrogen monoxide 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 NO H₂ N₂ H₂O NO H₂ N₂ H₂O NO H₂ N₂ H₂O pressure 4.34 atm 7.48 atm 6.16 atm 4.87 atm 3.79 atm 7.27 atm 7.59 atm 6.64 atm 2.60 atm 5.74 atm 7,03 atm 6.61 atm expected change in pressure Ot increase Ot increase O † increase Ot increase O † increase Ot increase O † increase Ot increase Ot increase O † increase ↑ Ot increase Ot increase O↓ decrease O decrease ↓ O decrease O decrease O decrease ↓ O decrease ↓ O decrease O decrease O decrease ↓ O decrease O decrease O decrease O (no change) O (no change) O (no change) O (no change) O (no change) O (no change) O (no change) O (no change) O (no change) O (no change) O (no change) O (no change) E olo Ar Ⓡ
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:Using an equilibrium constant to predict the direction of spontaneous...
A chemical engineer is studying the following reaction:
2 NO(g) + 2H₂(g) → N₂(g)+2H₂O(g)
At the temperature the engineer picks, the equilibrium constant K for this reaction is 0.44.
The engineer charges ("fills") four reaction vessels with nitrogen monoxide 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
compound
NO
H₂
N₂
H₂O
NO
H₂
N₂
H₂O
NO
H₂
N₂
H₂O
pressure
4.34 atm
7.48 atm
6.16 atm
4.87 atm
3.79 atm
7.27 atm
7.59 atm
6.64 atm
2.60 atm
5.74 atm
7.03 atm
6.61 atm
expected change in pressure
↑ increase
↑ increase
↑ increase
↑ increase O decrease
↑ increase
↑ increase
↑ increase
↑ increase
↑ increase
↑ increase
↓ decrease
↑ increase
↓ decrease
O decrease
↓ decrease
↓ decrease
O decrease
↓ decrease
↓ decrease
↓ decrease
O decrease
↑ increase O decrease
(no change)
(no change)
(no change)
O (no change)
(no change)
(no change)
(no change)
(no change)
(no change)
(no change)
(no change)
O (no change)
olo
18
Ar
BR
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