Nickel carbonyl decomposes to form nickel and carbon monoxide, like this: Ni (CO)4(g) →Ni(s) +4 CO(g) At a certain temperature, a chemist finds that a 6.6 L reaction vessel containing a mixture of nickel carbonyl, nickel, and carbon monoxide at equilibrium has the following composition: compound Ni (CO)4 amount 0.256 g Ni Co 55.3 g 1.63 g Calculate the value of the equilibrium constant for this reaction. Round your answer to 2 significant digits.

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Nickel carbonyl decomposes to form nickel and carbon monoxide, like this:
Ni(CO) 4(9) Ni(s) +4 CO(g)
At a certain temperature, a chemist finds that a 6.6 L reaction vessel containing a mixture of nickel carbonyl, nickel, and carbon monoxide at equilibrium has
the following composition:
compound
Ni (CO)4
Ni
CO
55.3 g
1.63 g
Calculate the value of the equilibrium constant K for this reaction. Round your answer to 2 significant digits.
amount
0.256 g
K₂ = 0
x10
X
Ś
Transcribed Image Text:Nickel carbonyl decomposes to form nickel and carbon monoxide, like this: Ni(CO) 4(9) Ni(s) +4 CO(g) At a certain temperature, a chemist finds that a 6.6 L reaction vessel containing a mixture of nickel carbonyl, nickel, and carbon monoxide at equilibrium has the following composition: compound Ni (CO)4 Ni CO 55.3 g 1.63 g Calculate the value of the equilibrium constant K for this reaction. Round your answer to 2 significant digits. amount 0.256 g K₂ = 0 x10 X Ś
A chemical engineer is studying the following reaction:
H₂(g) +1₂(g) → 2 HI(g)
At the temperature the engineer picks, the equilibrium constant K for this reaction is 3.1.
The engineer charges ("fills") three reaction vessels with hydrogen and iodine, 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
A
B
(
с
compound
H₂
Į
HI
H₂
1₂
HI
H₂
1₂
HI
pressure
1.95 atm
2.28 atm
3.69 atm
1.45 atm
1.78 atm
4.69 atm
2.45 atm
2.87 atm
4.64 atm
expected change in pressure
* increase
↑ increase
O ↑ increase
O ↑ increase
increase
O ↑ increase
O ↑ increase
O * increase
O ↑ increase
↓ decrease
O decrease
O ↓ decrease
O ↓ decrease
O↓ decrease
O ↓ decrease
O↓ decrease
O ↓ decrease
O ↓ decrease
(no change)
(no change)
O (no change)
O (no change)
O (no change)
(no change)
O (no change)
O (no change)
(no change)
Transcribed Image Text:A chemical engineer is studying the following reaction: H₂(g) +1₂(g) → 2 HI(g) At the temperature the engineer picks, the equilibrium constant K for this reaction is 3.1. The engineer charges ("fills") three reaction vessels with hydrogen and iodine, 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 A B ( с compound H₂ Į HI H₂ 1₂ HI H₂ 1₂ HI pressure 1.95 atm 2.28 atm 3.69 atm 1.45 atm 1.78 atm 4.69 atm 2.45 atm 2.87 atm 4.64 atm expected change in pressure * increase ↑ increase O ↑ increase O ↑ increase increase O ↑ increase O ↑ increase O * increase O ↑ increase ↓ decrease O decrease O ↓ decrease O ↓ decrease O↓ decrease O ↓ decrease O↓ decrease O ↓ decrease O ↓ decrease (no change) (no change) O (no change) O (no change) O (no change) (no change) O (no change) O (no change) (no change)
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