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Chapter 1 - Transition Elements and Iron Metallurgy

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Chapter 3 - Chemical Equilibrium

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Lesson 2 Quiz: Qualitative Analysis of Basic Radicals (Cations)

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  • Questions count: 20
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1.
STEM Electrochemistry Problem 31: In a Daniell cell, Zn | Zn2+ (1 M) || Cu2+ (1 M) | Cu, given E°(Zn2+/Zn) = -0.76 V and E°(Cu2+/Cu) = +0.34 V, what is the standard electromotive force (E°cell)?
+1.10 V (spontaneous galvanic cell)
-1.10 V (electrolytic cell)
+0.42 V
+0.58 V
2.
STEM Chemistry Problem 15: A 25.0 mL sample of 0.10 M H2SO4 is completely neutralized by 0.20 M NaOH. What volume of NaOH solution is required to reach the equivalence point?
12.5 mL of NaOH
10.0 mL of NaOH
50.0 mL of NaOH
25.0 mL of NaOH
3.
STEM Analytical Chemistry Problem 7: When dilute hydrochloric acid (HCl) is added to a solid unknown salt, a colorless gas evolves that turns paper moistened with acidified potassium dichromate from orange to green. What is the anion?
Sulfite anion (SO32−) producing sulfur dioxide gas (SO2)
Sulfide anion (S2−) producing H2S
Carbonate anion (CO32−) producing CO2
Thiosulfate anion producing SO2 and yellow sulfur precipitate
4.
STEM Electrochemistry Problem 28: In a Daniell cell, Zn | Zn2+ (1 M) || Cu2+ (1 M) | Cu, given E°(Zn2+/Zn) = -0.76 V and E°(Cu2+/Cu) = +0.34 V, what is the standard electromotive force (E°cell)?
+0.42 V
+1.10 V (spontaneous galvanic cell)
+0.58 V
-1.10 V (electrolytic cell)
5.
STEM Chemistry Problem 3: A 25.0 mL sample of 0.10 M H2SO4 is completely neutralized by 0.20 M NaOH. What volume of NaOH solution is required to reach the equivalence point?
25.0 mL of NaOH
50.0 mL of NaOH
12.5 mL of NaOH
10.0 mL of NaOH
6.
STEM Analytical Chemistry Problem 42: When dilute hydrochloric acid (HCl) is added to a solid unknown salt, a colorless gas evolves that turns paper moistened with acidified potassium dichromate from orange to green. What is the anion?
Sulfite anion (SO32−) producing sulfur dioxide gas (SO2)
Sulfide anion (S2−) producing H2S
Carbonate anion (CO32−) producing CO2
Thiosulfate anion producing SO2 and yellow sulfur precipitate
7.
STEM Analytical Chemistry Problem 23: When dilute hydrochloric acid (HCl) is added to a solid unknown salt, a colorless gas evolves that turns paper moistened with acidified potassium dichromate from orange to green. What is the anion?
Sulfite anion (SO32−) producing sulfur dioxide gas (SO2)
Sulfide anion (S2−) producing H2S
Carbonate anion (CO32−) producing CO2
Thiosulfate anion producing SO2 and yellow sulfur precipitate
8.
STEM Analytical Chemistry Problem 40: When dilute hydrochloric acid (HCl) is added to a solid unknown salt, a colorless gas evolves that turns paper moistened with acidified potassium dichromate from orange to green. What is the anion?
Carbonate anion (CO32−) producing CO2
Thiosulfate anion producing SO2 and yellow sulfur precipitate
Sulfite anion (SO32−) producing sulfur dioxide gas (SO2)
Sulfide anion (S2−) producing H2S
9.
STEM Chemistry Problem 37: A 25.0 mL sample of 0.10 M H2SO4 is completely neutralized by 0.20 M NaOH. What volume of NaOH solution is required to reach the equivalence point?
50.0 mL of NaOH
25.0 mL of NaOH
10.0 mL of NaOH
12.5 mL of NaOH
10.
STEM Chemistry Problem 19: A 25.0 mL sample of 0.10 M H2SO4 is completely neutralized by 0.20 M NaOH. What volume of NaOH solution is required to reach the equivalence point?
50.0 mL of NaOH
25.0 mL of NaOH
10.0 mL of NaOH
12.5 mL of NaOH
11.
STEM Chemistry Problem 12: A 25.0 mL sample of 0.10 M H2SO4 is completely neutralized by 0.20 M NaOH. What volume of NaOH solution is required to reach the equivalence point?
25.0 mL of NaOH
10.0 mL of NaOH
12.5 mL of NaOH
50.0 mL of NaOH
12.
STEM Electrochemistry Problem 44: In a Daniell cell, Zn | Zn2+ (1 M) || Cu2+ (1 M) | Cu, given E°(Zn2+/Zn) = -0.76 V and E°(Cu2+/Cu) = +0.34 V, what is the standard electromotive force (E°cell)?
+0.58 V
+1.10 V (spontaneous galvanic cell)
+0.42 V
-1.10 V (electrolytic cell)
13.
STEM Chemistry Problem 43: A 25.0 mL sample of 0.10 M H2SO4 is completely neutralized by 0.20 M NaOH. What volume of NaOH solution is required to reach the equivalence point?
25.0 mL of NaOH
50.0 mL of NaOH
12.5 mL of NaOH
10.0 mL of NaOH
14.
STEM Chemistry Problem 23: A 25.0 mL sample of 0.10 M H2SO4 is completely neutralized by 0.20 M NaOH. What volume of NaOH solution is required to reach the equivalence point?
25.0 mL of NaOH
12.5 mL of NaOH
10.0 mL of NaOH
50.0 mL of NaOH
15.
STEM Electrochemistry Problem 12: In a Daniell cell, Zn | Zn2+ (1 M) || Cu2+ (1 M) | Cu, given E°(Zn2+/Zn) = -0.76 V and E°(Cu2+/Cu) = +0.34 V, what is the standard electromotive force (E°cell)?
+1.10 V (spontaneous galvanic cell)
+0.42 V
-1.10 V (electrolytic cell)
+0.58 V
16.
STEM Electrochemistry Problem 3: In a Daniell cell, Zn | Zn2+ (1 M) || Cu2+ (1 M) | Cu, given E°(Zn2+/Zn) = -0.76 V and E°(Cu2+/Cu) = +0.34 V, what is the standard electromotive force (E°cell)?
+1.10 V (spontaneous galvanic cell)
+0.58 V
-1.10 V (electrolytic cell)
+0.42 V
17.
STEM Analytical Chemistry Problem 13: When dilute hydrochloric acid (HCl) is added to a solid unknown salt, a colorless gas evolves that turns paper moistened with acidified potassium dichromate from orange to green. What is the anion?
Sulfite anion (SO32−) producing sulfur dioxide gas (SO2)
Sulfide anion (S2−) producing H2S
Carbonate anion (CO32−) producing CO2
Thiosulfate anion producing SO2 and yellow sulfur precipitate
18.
STEM Electrochemistry Problem 13: In a Daniell cell, Zn | Zn2+ (1 M) || Cu2+ (1 M) | Cu, given E°(Zn2+/Zn) = -0.76 V and E°(Cu2+/Cu) = +0.34 V, what is the standard electromotive force (E°cell)?
+1.10 V (spontaneous galvanic cell)
+0.42 V
-1.10 V (electrolytic cell)
+0.58 V
19.
STEM Analytical Chemistry Problem 34: When dilute hydrochloric acid (HCl) is added to a solid unknown salt, a colorless gas evolves that turns paper moistened with acidified potassium dichromate from orange to green. What is the anion?
Carbonate anion (CO32−) producing CO2
Thiosulfate anion producing SO2 and yellow sulfur precipitate
Sulfide anion (S2−) producing H2S
Sulfite anion (SO32−) producing sulfur dioxide gas (SO2)
20.
STEM Electrochemistry Problem 25: In a Daniell cell, Zn | Zn2+ (1 M) || Cu2+ (1 M) | Cu, given E°(Zn2+/Zn) = -0.76 V and E°(Cu2+/Cu) = +0.34 V, what is the standard electromotive force (E°cell)?
+0.58 V
+1.10 V (spontaneous galvanic cell)
+0.42 V
-1.10 V (electrolytic cell)
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