A chem ngineer is studying the following reaction: CH4(g)+2H, S(g) CS (g)+4H,(9) At the temperature the engineer picks, the equilibrium constant K, for this reaction is 26.. The engineer charges ("fills") four reaction vessels with methane and hydrogen sulfide, 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 compound pressure expected change in pressure vessel CH, 5.86 atm O t increase OI decrease O (no change) HS 4,86 atm O t increase O I decrease O (no change) A. cs, 9.62 atm O t increase O , decrease O (no change) H. 2.77 atm O t increase OĮ decrease O (no change) CH, 6.37 atm O t increase OĮ decrease O (no change) H.S 4.87 atm O * increase OI decrease O (no change) B CS 10.79 atm O t increase OI decrease O (no change) H, 4.36 atm O I decrease O (no change) increase CH, 5.55 atm O * increase O. decrease O (no change) HS 4.24 atm O * increase I decrease O (no change) cs, 9.93 atm O * increase OI decrease O (no change) H, 4.01 atm O t increase OI decrease o (no change) Expianation Chock 目| | 目 祠
A chem ngineer is studying the following reaction: CH4(g)+2H, S(g) CS (g)+4H,(9) At the temperature the engineer picks, the equilibrium constant K, for this reaction is 26.. The engineer charges ("fills") four reaction vessels with methane and hydrogen sulfide, 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 compound pressure expected change in pressure vessel CH, 5.86 atm O t increase OI decrease O (no change) HS 4,86 atm O t increase O I decrease O (no change) A. cs, 9.62 atm O t increase O , decrease O (no change) H. 2.77 atm O t increase OĮ decrease O (no change) CH, 6.37 atm O t increase OĮ decrease O (no change) H.S 4.87 atm O * increase OI decrease O (no change) B CS 10.79 atm O t increase OI decrease O (no change) H, 4.36 atm O I decrease O (no change) increase CH, 5.55 atm O * increase O. decrease O (no change) HS 4.24 atm O * increase I decrease O (no change) cs, 9.93 atm O * increase OI decrease O (no change) H, 4.01 atm O t increase OI decrease o (no change) Expianation Chock 目| | 目 祠
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...
A chem
hgineer is studying the following reaction:
CH4(g)+2H, S(g) CS,(0)+4H,(9)
At the temperature the engineer picks, the equilibrium constant K, for this reaction is 26..
The engineer charges ("fills") four reaction vessels with methane and hydrogen sulfide, 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
expected change in pressure
pressure
CH,
5.86 atm
O f increase
O I decrease
O (no change)
H,S
4.86 atm
O t increase
O I decrease
O (no change)
A.
CS,
9.62 atm
O f increase
O , decrease
O (no change)
H.
2.77 atm
O t increase
O! decrease
O (no change)
CH,
6.37 atm
* increase
OĮ decrease
O (no change)
H.S
4.87 atm
O t increase
OI decrease
O (no change)
CS,
10.79 atm
O t increase
OI decrease
O (no change)
H,
4.36 atm
O t increase
O I decrease
O (no change)
CH,
5.55 atm
O t increase
O, decrease
O (no change)
H.S
4.24 atm
O 1 increase
O I decrease
O (no change)
CS,
9.93 atm
O * increase
O I decrease
O (no change)
H,
4.01 atm
O t increase
O I decrease
o ino change)
Expianation
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