51. In a saturated solution of NiCO, the concentration of nickel(II) ion is 7.6x 10 mol/L. The Ksp of nickel(II) carbonate would be which of the following? 5.8 x 10-7 a. b. 1.2 x 10 C. 4.4 × 10-10 d. 7.6 × 10- none of the above ult in an increase in the quantity of Cl(g)?
51. In a saturated solution of NiCO, the concentration of nickel(II) ion is 7.6x 10 mol/L. The Ksp of nickel(II) carbonate would be which of the following? 5.8 x 10-7 a. b. 1.2 x 10 C. 4.4 × 10-10 d. 7.6 × 10- none of the above ult in an increase in the quantity of Cl(g)?
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter12: Gaseous Chemical Equilibrium
Section: Chapter Questions
Problem 80QAP: Hydrogen iodide gas decomposes to hydrogen gas and iodine gas: 2HI(g)H2(g)+I2(g)To determine the...
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Question
![51. In a saturated solution of NiCOs, the concentration of nickel(II) ion is 7.6 x 10 mol/L. The Ksp of nickel(II)
carbonate would be which of the following?
5.8 x 107
a.
b. 1.2 x 10
C. 4.4 × 10-10
a. adding some PCI(g)
b. removing some PCI;(g)
c. decreasing temperature
d.
e.
52. For the equilibrium system below, which of the following would result in an increase in the quantity of Clig)?
PCI(g) + Ch(g) <==> PCI;(g) + 45 kJ
d.
e.
7.6 × 10-
none of the above
53. 1.2 mol of CH,OH(g) are injected into a 2.0 L. container and the following equilibrium becomes established.
2H2(g) + CO(g) <=> CH₂OH(g) + 92 kJ
If at equilibrium 1.0 mol of CH₂OH is still in the container the K must be which of the following?
a. 25
12.5
b. 125
0.032
c. 0.0080
d.
e.
increasing the volume of the container
injecting some He gas
54. If the equilibrium shown below is cooled at a constant pressure.
H₂(g) + 12(g) <=> 2HI(g) + 65 kJ
What is most likely to happen?
a. [Pb][Br]
b. [Pb][Br]
c. [Pb ][Br]
d. both a and c
e. both b and c
a.
K decreases
b. K increases
c. [HI] increases
55. Which equilibrium shows an increase in [products] when the volume increases?
1. 2H₂(g) + O2(g) <=> 2H₂O(g)
II. Ch(g) +PCI(g) <> PCI, (g)
III. H₂(g) + (g)<> 2HI(g)
IV. 2NH (g) <> N₂ + 3H₂(g)
d. III and IV
e. Il
a. 1
b. I and II
c. IV
56. A concentrated weak acid is best described as which of the following?
a. a solution with a low pH
b. a solution where the concentration of undissociated acid particles is low compared to the
concentration of hydronium ions
C.
a solution where the concentration of hydronium ions is large compared to the
concentration of undissociated acid particles
d. a solution with a high pH
e.
a solution where the concentration of undissociated acid particles is high and the relative
quantity of hydronium ions is small
57. The Ksp expression for lead(II) bromide is Ksp =
d. [Pb [Br]
e. [Pb² ][Br¹-]
58. If a pH meter was placed in a 1.4 mol/L solution of nitric acid the reading would be which of the following?
a.
1.4
d. 0.15
b. 14.15
e. 0.0
c. -0.15](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F94b31f09-c153-4415-af45-1072c0d8396d%2F1ea6f047-56db-4929-a79b-a5fc8fa3c8aa%2F75njuci_processed.jpeg&w=3840&q=75)
Transcribed Image Text:51. In a saturated solution of NiCOs, the concentration of nickel(II) ion is 7.6 x 10 mol/L. The Ksp of nickel(II)
carbonate would be which of the following?
5.8 x 107
a.
b. 1.2 x 10
C. 4.4 × 10-10
a. adding some PCI(g)
b. removing some PCI;(g)
c. decreasing temperature
d.
e.
52. For the equilibrium system below, which of the following would result in an increase in the quantity of Clig)?
PCI(g) + Ch(g) <==> PCI;(g) + 45 kJ
d.
e.
7.6 × 10-
none of the above
53. 1.2 mol of CH,OH(g) are injected into a 2.0 L. container and the following equilibrium becomes established.
2H2(g) + CO(g) <=> CH₂OH(g) + 92 kJ
If at equilibrium 1.0 mol of CH₂OH is still in the container the K must be which of the following?
a. 25
12.5
b. 125
0.032
c. 0.0080
d.
e.
increasing the volume of the container
injecting some He gas
54. If the equilibrium shown below is cooled at a constant pressure.
H₂(g) + 12(g) <=> 2HI(g) + 65 kJ
What is most likely to happen?
a. [Pb][Br]
b. [Pb][Br]
c. [Pb ][Br]
d. both a and c
e. both b and c
a.
K decreases
b. K increases
c. [HI] increases
55. Which equilibrium shows an increase in [products] when the volume increases?
1. 2H₂(g) + O2(g) <=> 2H₂O(g)
II. Ch(g) +PCI(g) <> PCI, (g)
III. H₂(g) + (g)<> 2HI(g)
IV. 2NH (g) <> N₂ + 3H₂(g)
d. III and IV
e. Il
a. 1
b. I and II
c. IV
56. A concentrated weak acid is best described as which of the following?
a. a solution with a low pH
b. a solution where the concentration of undissociated acid particles is low compared to the
concentration of hydronium ions
C.
a solution where the concentration of hydronium ions is large compared to the
concentration of undissociated acid particles
d. a solution with a high pH
e.
a solution where the concentration of undissociated acid particles is high and the relative
quantity of hydronium ions is small
57. The Ksp expression for lead(II) bromide is Ksp =
d. [Pb [Br]
e. [Pb² ][Br¹-]
58. If a pH meter was placed in a 1.4 mol/L solution of nitric acid the reading would be which of the following?
a.
1.4
d. 0.15
b. 14.15
e. 0.0
c. -0.15
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