A chemical engineer is studying the following reaction: 2 NO(9)+2H,(g) N(g)+2H,0(9) At the temperature the engineer picks, the equilibrium constant K, for this reaction is 0.17. 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 expected change in pressure compound pressure NO 7.34 atm Ot increase OI decrease O (no change) 1.96 atm O t increase OI decrease O (no change) N, 1.66 atm O tincrease OI decrease O (no change) H,0 10.20 atm O t increase OI decrease O (no change) NO 9.18 atm O f increase OI decrease O (no change) H, 3.80 atm O f increase OI decrease O (no change) 0.74 atm O t increase OI decrease O (no change) H,0 8.36 atm O t increase OI decrease O (no change) NO 8.30 atm O t increase OI decrease (no change) H, 2.92 atm O f increase O ! decrease O (no change) N 1.18 atm O t increase OI decrease O (no change) H,O 924 atm OI decrease O (no change) increase o ooO

Chemistry: The Molecular Science
5th Edition
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Chapter12: Chemical Equilibrium
Section: Chapter Questions
Problem 113QRT
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A chemical engineer is studying the following reaction:
2 NO(g)+2H,(g) – N(a)+2H,0(g)
At the temperature the engineer picks, the equilibrium constant K, for this reaction is 0.17.
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.
db
Predict the changes in the compositions the engineer should expect next time she measures the compositions.
Ar
reaction
vessel
compound
pressure
expected change in pressure
NO
7.34 atm
Ot increase
OI decrease
O (no change)
H,
1.96 atm
O f increase
OI decrease
O (no change)
N
1.66 atm
O t increase
OI decrease
O (no change)
H,0
10.20 atm
O f increase
OI decrease
O (no change)
NO
9.18 atm
O t increase
OI decrease
O (no change)
H.
3.80 atm
O f increase
OI decrease
O (no change)
B
N,
0.74 atm
O f increase
OI decrease
O (no change)
HO
8.36 atm
O f increase
OI decrease
O (no change)
NO
8.30 atm
O increase
O! decrease
O (no change)
H.
2.92 atm
O f increase
O ! decrease
O (no change)
N
OI decrease
O (no change)
1.18 atm
O t increase
H,O
924 atm
O f increase
OI decrease
O (no change)
8 o o oo
O o
O o
目县|| 目具
|品S さ
Transcribed Image Text:A chemical engineer is studying the following reaction: 2 NO(g)+2H,(g) – N(a)+2H,0(g) At the temperature the engineer picks, the equilibrium constant K, for this reaction is 0.17. 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. db Predict the changes in the compositions the engineer should expect next time she measures the compositions. Ar reaction vessel compound pressure expected change in pressure NO 7.34 atm Ot increase OI decrease O (no change) H, 1.96 atm O f increase OI decrease O (no change) N 1.66 atm O t increase OI decrease O (no change) H,0 10.20 atm O f increase OI decrease O (no change) NO 9.18 atm O t increase OI decrease O (no change) H. 3.80 atm O f increase OI decrease O (no change) B N, 0.74 atm O f increase OI decrease O (no change) HO 8.36 atm O f increase OI decrease O (no change) NO 8.30 atm O increase O! decrease O (no change) H. 2.92 atm O f increase O ! decrease O (no change) N OI decrease O (no change) 1.18 atm O t increase H,O 924 atm O f increase OI decrease O (no change) 8 o o oo O o O o 目县|| 目具 |品S さ
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