10. What is the hydrogen ion concentration of a solution with a pH of 10.33? 2.14 X 10-³ 4.68 X 10-4 4.68 X 10-³ 2.14 X 10-11 2.14 X 10-4 4.68 X 10-11 a. b. C. 11. The conjugate of a very weak base is a(n) Very weak acid Weak acid Strong acid a. b. C. a. NaCl(aq) and NaOH(aq) b. NH3(aq) and NH4Cl(aq) C. HNO3(aq) and NaNO3(aq) 12. Which of the following pairs of chemicals could be used to produce a buffer solution? Choose ALL that apply. d. e. f. a. b. Galvanic Cell C. d. Very weak base e. Weak base f. Strong base Oxidation Half-Cell 13. Which of the following contains two electrodes? Choose ALL that apply. Electrolytic Cell d. Mg(OH)2(aq) and H₂PO4(aq) HCO3(aq) and CO² (aq) e. f. HCl(ag) and HCO3 (aq) d. Reduction Half-Cell e. Battery f. Electrolyte

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Chapter17: Electrochemistry
Section: Chapter Questions
Problem 135CWP: Consider a galvanic cell based on the following half-reactions: a. What is the expected cell...
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14. When solid iron reacts with air to produce solid iron (II) oxide, which of the following can be said of iron's
role in this reaction? Choose ALL that apply.
2Fe(s) + O₂(g) → 2FeO(s)
a.
b.
C.
It is a buffer
It is oxidized
It is reduced
a.
b.
C.
15. What is the cell potential of a standard galvanic cell using
-0.8018 V
-0.7618 V
-0.7218 V
d.
e.
f.
a. Dedication
b. Introduction
c. Procedure
d.
e.
f.
a. Dedication
b. Introduction
c. Procedure
16. Within which of the following formal lab report sections should the repeatable steps for conducting the
experiment be made clear to the reader?
It is the oxidizing agent
It is the reducing agent
It is a spectator ion
d.
e.
f.
iron (III) and zinc (see Table 2 in Appendix A).
+0.7218 V
+0.7618 V
+0.8018 V
Observations
Analyses
References
17. Within which of the following formal lab report sections should the researcher organize and display their
collected data to the reader?
d. Observations
e. Analyses
f. References
Transcribed Image Text:14. When solid iron reacts with air to produce solid iron (II) oxide, which of the following can be said of iron's role in this reaction? Choose ALL that apply. 2Fe(s) + O₂(g) → 2FeO(s) a. b. C. It is a buffer It is oxidized It is reduced a. b. C. 15. What is the cell potential of a standard galvanic cell using -0.8018 V -0.7618 V -0.7218 V d. e. f. a. Dedication b. Introduction c. Procedure d. e. f. a. Dedication b. Introduction c. Procedure 16. Within which of the following formal lab report sections should the repeatable steps for conducting the experiment be made clear to the reader? It is the oxidizing agent It is the reducing agent It is a spectator ion d. e. f. iron (III) and zinc (see Table 2 in Appendix A). +0.7218 V +0.7618 V +0.8018 V Observations Analyses References 17. Within which of the following formal lab report sections should the researcher organize and display their collected data to the reader? d. Observations e. Analyses f. References
10. What is the hydrogen ion concentration of a solution with a pH of 10.33?
d.
4.68 X 10-4
e.
2.14 X 10-11
f.
4.68 X 10-11
a.
b.
C.
11. The conjugate of a very weak base is a(n)
Very weak acid
Weak acid
Strong acid
a.
b.
C.
2.14 X 10-3
4.68 X 10-3
2.14 X 10-4
a.
NaCl(aq) and NaOH(aq)
b. NH3(aq) and NH4Cl(aq)
C. HNO3(aq) and NaNO3(aq
d.
e.
f.
12. Which of the following pairs of chemicals could be used to produce a buffer solution? Choose ALL that
apply.
a.
b.
C.
Very weak base
Weak base
Strong base
d. Mg(OH)2(aq) and H3PO4
4(aq)
2-
e.
HCO3(aq) and CO3²- (aq)
f. HCl(aq) and HCO3(aq)
13. Which of the following contains two electrodes? Choose ALL that apply.
Electrolytic Cell
Galvanic Cell
Oxidation Half-Cell
d. Reduction Half-Cell
Battery
Electrolyte
e.
f.
Transcribed Image Text:10. What is the hydrogen ion concentration of a solution with a pH of 10.33? d. 4.68 X 10-4 e. 2.14 X 10-11 f. 4.68 X 10-11 a. b. C. 11. The conjugate of a very weak base is a(n) Very weak acid Weak acid Strong acid a. b. C. 2.14 X 10-3 4.68 X 10-3 2.14 X 10-4 a. NaCl(aq) and NaOH(aq) b. NH3(aq) and NH4Cl(aq) C. HNO3(aq) and NaNO3(aq d. e. f. 12. Which of the following pairs of chemicals could be used to produce a buffer solution? Choose ALL that apply. a. b. C. Very weak base Weak base Strong base d. Mg(OH)2(aq) and H3PO4 4(aq) 2- e. HCO3(aq) and CO3²- (aq) f. HCl(aq) and HCO3(aq) 13. Which of the following contains two electrodes? Choose ALL that apply. Electrolytic Cell Galvanic Cell Oxidation Half-Cell d. Reduction Half-Cell Battery Electrolyte e. f.
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