A chemicai engineer is studying the following reaction: 2 H,S(g)+302(9)→ 2 SO2(g)+2H,O(g) At the temperature the engineer picks, the equilibrium constant K, for this reaction is 0.33. p The engineer charges ("fills") four reaction vessels with hydrogen sulfide and oxygen, and lets the reaction begin. He then measures the composition of the mixture inside each vessel from time to time. His first set of measurements are shown in the table below. Predict the changes in the compositions the engineer should expect next time he measures the compositions. reaction vessel compound pressure expected change in pressure H,S 6.65 atm t increase I decrease O (no change) 02 8.03 atm t increase OI decrease O (no change) A so, 8.07 atm t increase OI decrease O (no change) H,0 7.01 atm O t increase OI decrease O (no change) H,S 6.86 atm t increase OI decrease (no change) 02 8.08 atm O t increase OI decrease O (no change) B so2 10.18 atm O t increase OI decrease O (no change) H,0 8.94 atm O t increase OI decrease (no change) H,S 6.04 atm O t increase OI decrease O (no change) 02 7.11 atm O t increase O I decrease O (no change) so, 8.68 atm O t increase OI decrease O (no change) H,0 7.62 atm t increase I decrease (no change)
A chemicai engineer is studying the following reaction: 2 H,S(g)+302(9)→ 2 SO2(g)+2H,O(g) At the temperature the engineer picks, the equilibrium constant K, for this reaction is 0.33. p The engineer charges ("fills") four reaction vessels with hydrogen sulfide and oxygen, and lets the reaction begin. He then measures the composition of the mixture inside each vessel from time to time. His first set of measurements are shown in the table below. Predict the changes in the compositions the engineer should expect next time he measures the compositions. reaction vessel compound pressure expected change in pressure H,S 6.65 atm t increase I decrease O (no change) 02 8.03 atm t increase OI decrease O (no change) A so, 8.07 atm t increase OI decrease O (no change) H,0 7.01 atm O t increase OI decrease O (no change) H,S 6.86 atm t increase OI decrease (no change) 02 8.08 atm O t increase OI decrease O (no change) B so2 10.18 atm O t increase OI decrease O (no change) H,0 8.94 atm O t increase OI decrease (no change) H,S 6.04 atm O t increase OI decrease O (no change) 02 7.11 atm O t increase O I decrease O (no change) so, 8.68 atm O t increase OI decrease O (no change) H,0 7.62 atm t increase I 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 12.101PAE: 12.101 An engineer working on a design to extract petroleum from a deep thermal reservoir wishes to...
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Transcribed Image Text:A chemicai engineer is studying the following reaction:
2 H,S(g)+30,(9) → 2 SO 2(g)+2H20(g)
At the temperature the engineer picks, the equilibrium constant K, for this reaction is 0.33.
The engineer charges ("fills") four reaction vessels with hydrogen sulfide and oxygen, and lets the reaction begin. He then measures the composition of the
mixture inside each vessel from time to time. His first set of measurements are shown in the table below.
Predict the changes in the compositions the engineer should expect next time he measures the compositions.
reaction
compound
pressure
expected change in pressure
vessel
H,S
6.65 atm
f increase
I decrease
(no change)
O2
8.03 atm
f increase
I decrease
(no change)
A
8.07 atm
f increase
I decrease
(no change)
H,0
7.01 atm
f increase
I decrease
(no change)
H,S
6.86 atm
f increase
decrease
(no change)
02
8.08 atm
f increase
I decrease
(no change)
В
so,
10.18 atm
f increase
I decrease
(no change)
H,0
8.94 atm
f increase
I decrease
(no change)
H,S
6.04 atm
f increase
I decrease
(no change)
0,
O2
7.11 atm
f increase
I decrease
(no change)
C
so,
8.68 atm
f increase
I decrease
(no change)
H,0
7.62 atm
f increase
I decrease
O (no change)
O O
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