24×10³ E) 0.100 9) At 200°C, the equilibrium constant for the reaction below is 2.40 x10³. 2NO (g) [0₂][N₂] [0.0990] = 2.4×103 N2 (g) + O2(g) Issure of d2 is atm. closed vessel is charged with 36.1 atm of NO. At equilibrium, the partial pressure of 02 is A) 35.7 B) 18.1 C) 1.50 x10-² D) 6.00 10) How is the reaction quotient used to determine whether a system is at equilibrium? 10-7 D) 5.71, 106 E) 294
24×10³ E) 0.100 9) At 200°C, the equilibrium constant for the reaction below is 2.40 x10³. 2NO (g) [0₂][N₂] [0.0990] = 2.4×103 N2 (g) + O2(g) Issure of d2 is atm. closed vessel is charged with 36.1 atm of NO. At equilibrium, the partial pressure of 02 is A) 35.7 B) 18.1 C) 1.50 x10-² D) 6.00 10) How is the reaction quotient used to determine whether a system is at equilibrium? 10-7 D) 5.71, 106 E) 294
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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How would you answer question 9?
![24x10³
E)
PV=nRT
12
PCO₂ PH₂02
PCUO
8) Acetic acid is a weak acid that dissociates into the acetate ion and a proton in aqueous solution:
HC,H,O, (aq) < C,H,O; (aq) + H* (aq)
At equilibrium at 25eC a 0.100 M solution of acetic acid has the following concentrations:
[HC2H302] = 0.0990 M, [C2H302] = 1.33 x 10³ M, and [H+] = 1.33 x 10³ M. The equilibrium constant, Keq, for the
ionization of acetic acid at 25°C is
A)
5.71 104 B) 1.79 10-5 C) 1.75, 10-7 D) 5.71 106
9) At 200°C, the equilibrium constant for the reaction below is 2.40 x10³.
2NO(g) = N2 (g) + 02 (g)
✓ closed vessel is charged with 36.1 atm of NO. At equilibrium, the partial pressure of 02 is
A) 35.7
B) 18.1
C) 1.50 x10-²
D) 6.00
10) How is the reaction quotient used to determine whether a system is at equilibrium?
A)
The reaction is at equilibrium when Q< Keq. The reaction is at equilibrium when Q > Keq.
B) At equilibrium, the reaction quotient is undefined.
C)
The reaction quotient must be satisfied for equilibrium to be achieved.
D) The reaction is at equilibrium when Q = keq.
11) In the coal-gasification process, carbon monoxide is converted to carbon dioxide via the following reaction:
A
CO (g) + H2O (g)
CO2 (g) + H2 (g)
In an experiment, 0.35 mol of CO and 0.40 mol of H2O were placed in a 1.00-L reaction vessel. At equilibrium, there
were 0.19 mol of CO remaining. Keq at the temperature of the experiment is
[H + ][ G₂ H ₂ Q₂]
[HC 21 30₂]
H
A) 0.75
B) 1.0 C) 5.47 D) 1.78 E) 0.56
[1.33×10³11330]
E) 0.100
[0₂][N₂] [0.0990]
LOJEN
-2.4×103
=0₂19=1016
atm.
036 x
12) Nitrosyl bromide decomposes according to the following equation.
[#₂][00₂]
[СО] [Њ ОТ
2NOBr (g)
2NO(g) + Br2 (g)
[0.35][040]
sample of NOBr (0.64 mol) was placed in a 1.00-L flask containing no NO or Br2. At equilibrium the flask contained
0.46 mol of NOBr. How many moles of NO and Br2, respectively, are in the flask at equilibrium?
A) 0.46, 0.23
B) 0.18, 0.090
C) 0.46, 0.46
(D) 0.18, 0.360
0.18
NOBNO + Br₂
E) 294
36.17
E) 0.18, 0.18](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5a487c5b-631b-4d04-995d-e7c019732a55%2F524a399c-eac3-4108-8994-88432d113b7b%2F2coqs8_processed.jpeg&w=3840&q=75)
Transcribed Image Text:24x10³
E)
PV=nRT
12
PCO₂ PH₂02
PCUO
8) Acetic acid is a weak acid that dissociates into the acetate ion and a proton in aqueous solution:
HC,H,O, (aq) < C,H,O; (aq) + H* (aq)
At equilibrium at 25eC a 0.100 M solution of acetic acid has the following concentrations:
[HC2H302] = 0.0990 M, [C2H302] = 1.33 x 10³ M, and [H+] = 1.33 x 10³ M. The equilibrium constant, Keq, for the
ionization of acetic acid at 25°C is
A)
5.71 104 B) 1.79 10-5 C) 1.75, 10-7 D) 5.71 106
9) At 200°C, the equilibrium constant for the reaction below is 2.40 x10³.
2NO(g) = N2 (g) + 02 (g)
✓ closed vessel is charged with 36.1 atm of NO. At equilibrium, the partial pressure of 02 is
A) 35.7
B) 18.1
C) 1.50 x10-²
D) 6.00
10) How is the reaction quotient used to determine whether a system is at equilibrium?
A)
The reaction is at equilibrium when Q< Keq. The reaction is at equilibrium when Q > Keq.
B) At equilibrium, the reaction quotient is undefined.
C)
The reaction quotient must be satisfied for equilibrium to be achieved.
D) The reaction is at equilibrium when Q = keq.
11) In the coal-gasification process, carbon monoxide is converted to carbon dioxide via the following reaction:
A
CO (g) + H2O (g)
CO2 (g) + H2 (g)
In an experiment, 0.35 mol of CO and 0.40 mol of H2O were placed in a 1.00-L reaction vessel. At equilibrium, there
were 0.19 mol of CO remaining. Keq at the temperature of the experiment is
[H + ][ G₂ H ₂ Q₂]
[HC 21 30₂]
H
A) 0.75
B) 1.0 C) 5.47 D) 1.78 E) 0.56
[1.33×10³11330]
E) 0.100
[0₂][N₂] [0.0990]
LOJEN
-2.4×103
=0₂19=1016
atm.
036 x
12) Nitrosyl bromide decomposes according to the following equation.
[#₂][00₂]
[СО] [Њ ОТ
2NOBr (g)
2NO(g) + Br2 (g)
[0.35][040]
sample of NOBr (0.64 mol) was placed in a 1.00-L flask containing no NO or Br2. At equilibrium the flask contained
0.46 mol of NOBr. How many moles of NO and Br2, respectively, are in the flask at equilibrium?
A) 0.46, 0.23
B) 0.18, 0.090
C) 0.46, 0.46
(D) 0.18, 0.360
0.18
NOBNO + Br₂
E) 294
36.17
E) 0.18, 0.18
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