19. Which of the following statements about the operation of a standard galvanic cell made of a Cu/ Cu²+ half-cell and a Zn/ Zn²+ half-cell is false? a. The mass of the copper electrode decreases. b. The [Zn] increases. c. The [Cu] decreases. d. The salt bridge maintains charge neutrality. e. The zinc electrode is oxidized.
19. Which of the following statements about the operation of a standard galvanic cell made of a Cu/ Cu²+ half-cell and a Zn/ Zn²+ half-cell is false? a. The mass of the copper electrode decreases. b. The [Zn] increases. c. The [Cu] decreases. d. The salt bridge maintains charge neutrality. e. The zinc electrode is oxidized.
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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19,20 plzz
![a. second
b. first
16. A plot of versus time is linear for the reaction D→E. What is the kinetic order of
D
the reaction?
C. zero
d. one-half
e. negative one
18. In any electrochemical cell, the anode is always
a. the positive electrode.
b. the negative electrode.
C. the electrode at which some species gains electrons.
d. the electrode at which some species loses electrons.
e. the electrode at which reduction occurs.
17. How many grams of Mn(OH)3 will dissolve in 1350 mL of water at 25°C? Ksp = 1.0 × 10-36
a. 4.6 x 10-8 g
6.3 x 108 g
b.
c. 5.9 x 10-10 g
1.4 x 107 g
d.
e.
9.3 x 107 g
W
a. The mass of the copper electrode decreases.
b. The [Zn²+] increases.
c. The [Cu²+] decreases.
d. The salt bridge maintains charge neutrality.
The zinc electrode is oxidized.
e.
ectror'
19. Which of the following statements about the operation of a standard galvanic cell made of a Cu/
Cu²+ half-cell and a Zn/ Zn²+ half-cell is false?
c. [CuCl4]2-
d. [Co(NH3)]3*
e. [Ni(NH3)6]2+
20. In which one of the following does the transition metal have a 3d8 electronic configuration?
a. [Fe(NCS)(OH₂)]²+
b. [FeF6]+
7
plex is
n]"
on Eq
here](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3f4c86b2-1247-4388-bf18-f90827f5643c%2Fa2b45783-9e7b-4df8-b68d-98f6cac570d1%2Fj7drlpo_processed.jpeg&w=3840&q=75)
Transcribed Image Text:a. second
b. first
16. A plot of versus time is linear for the reaction D→E. What is the kinetic order of
D
the reaction?
C. zero
d. one-half
e. negative one
18. In any electrochemical cell, the anode is always
a. the positive electrode.
b. the negative electrode.
C. the electrode at which some species gains electrons.
d. the electrode at which some species loses electrons.
e. the electrode at which reduction occurs.
17. How many grams of Mn(OH)3 will dissolve in 1350 mL of water at 25°C? Ksp = 1.0 × 10-36
a. 4.6 x 10-8 g
6.3 x 108 g
b.
c. 5.9 x 10-10 g
1.4 x 107 g
d.
e.
9.3 x 107 g
W
a. The mass of the copper electrode decreases.
b. The [Zn²+] increases.
c. The [Cu²+] decreases.
d. The salt bridge maintains charge neutrality.
The zinc electrode is oxidized.
e.
ectror'
19. Which of the following statements about the operation of a standard galvanic cell made of a Cu/
Cu²+ half-cell and a Zn/ Zn²+ half-cell is false?
c. [CuCl4]2-
d. [Co(NH3)]3*
e. [Ni(NH3)6]2+
20. In which one of the following does the transition metal have a 3d8 electronic configuration?
a. [Fe(NCS)(OH₂)]²+
b. [FeF6]+
7
plex is
n]"
on Eq
here
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