TOPIC: Calculating an equilibrium constant from a heterogeneous equilibrium composition Nickel carbonyl decomposes to form nickel and carbon monoxide, like this: NiCO4(g)→Ni(s)+4CO(g) At a certain temperature, a chemist finds that a 2.9 L reaction vessel containing a mixture of nickel carbonyl, nickel, and carbon monoxide at equilibrium has the following composition: compound amount NiCO4 0.792 g Ni 71.9 g CO 1.17 g Calculate the value of the equilibrium constant Kc for this reaction. Round your answer to 2 significant digits. Kc= ?
QUESTION#1:
TOPIC: Calculating an equilibrium constant from a
Nickel carbonyl decomposes to form nickel and carbon monoxide, like this:
At a certain temperature, a chemist finds that a 2.9 L reaction vessel containing a mixture of nickel carbonyl, nickel, and carbon monoxide at equilibrium has the following composition:
| compound | amount |
|---|---|
|
NiCO4
|
0.792 g
|
|
Ni
|
71.9 g
|
|
CO
|
1.17 g
|
Calculate the value of the equilibrium constant Kc for this reaction. Round your answer to 2 significant digits.
|
Kc= ?
|
|
QUESTION#2:
TOPIC: Calculating the pH of a strong acid solution
A chemist dissolves 185. mg of pure hydroiodic acid in enough water to make up 300. mL of solution. Calculate the pH of the solution. Round your answer to 3 significant decimal places.
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