Question 1

OH- is called the ________ ________.

Accepted Answer

Question 2

Which salt is formed in the neutralization reaction of hydrochloric acid with calcium hydroxide?

Accepted Answer

A)   CaO
B)   CaCl
C)   CaH2
D)   CaCl2
E)   NaClF) A) and E)
G) All of the above

Question 3

Which of the following equations is not a redox reaction?

Accepted Answer

A)   2H2(g)  + O2(g)  → 2H2O(l) 
B)   Zn(s)  + H2SO4(aq)  → ZnSO4(aq)  + H2(g) 
C)   H2O(l)  + NH3(g)  → NH4+(aq)  + OH-(aq) 
D)   6FeSO4(aq)  + K2Cr2O7(aq)  + 7H2SO4(aq)  → Cr2(SO4) 3(aq)  + 3Fe2(SO4) 3(aq)  + K2SO4(aq)  + 7H2O(l) 
E)   Cl2(g)  + 2KBr(aq)  → Br2(aq)  + 2KCl(aq) F) B) and D)
G) A) and B)

Question 4

________ is a concentration unit that is defined as the number of moles of solute per liters of solution.

Accepted Answer

The answer of ________ is a concentration unit that is...

Question 5

What is the molarity of 250 mL of a solution containing 5.9 g of sodium chloride?

Accepted Answer

The answer of What is the molarity of 250 mL...

Question 6

Which of these chemical equations describes a precipitation reaction?

Accepted Answer

A)   2H2(g)  + O2(g)  → 2H2O(l) 
B)   CaBr2(aq)  + H2SO4(aq)  → CaSO4(s)  + 2HBr(aq) 
C)   2KNO3(s)  → 2KNO2(s)  + O2(g) 
D)   2KBr(aq)  + Cl2(g)  → 2KCl(aq)  + Br2(aq) 
E)   2Al(s)  + 3H2SO4(aq)  → Al2(SO4) 3(aq)  + 3H2(g) F) None of the above
G) A) and E)

Question 7

During a titration, it is found that 53.5 mL of a solution of NaOH is needed to neutralize a solution that contains 1.86 g of HCl. What is the concentration of the NaOH solution?

Accepted Answer

A)   0.051 M
B)   0.686 M
C)   1.05 M
D)   0.035 M
E)   0.953 MF) D) and E)
G) A) and B)

Question 8

H3O+ is called the ________ ________.

Accepted Answer

Question 9

Which balanced chemical equation could represent the following result of a precipitation reaction? 3PO4(aq)  + 3Cr2(SO4) 3(aq)  → CrPO4(s)  + 6KCl(aq)  B)  MgSO4(aq)  + 2AgNO3(aq)  → Ag2SO4(s)  + Mg(NO3) 2(aq)  C)  MgCl2(aq)  + 2AgC2H3O2(aq)  → 2AgCl(s)  + Mg(C2H3O2) 2(aq)  D)  K2CrO4(aq)  + 2AgNO3(aq)  → Ag2CrO4(s)  + 2KNO3(aq)  E)  K2S(aq)  + Pb(NO3) 2(aq)  → PbS(s)  + 2KNO3(aq) " class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   2K3PO4(aq)  + 3Cr2(SO4) 3(aq)  → CrPO4(s)  + 6KCl(aq) 
B)   MgSO4(aq)  + 2AgNO3(aq)  → Ag2SO4(s)  + Mg(NO3) 2(aq) 
C)   MgCl2(aq)  + 2AgC2H3O2(aq)  → 2AgCl(s)  + Mg(C2H3O2) 2(aq) 
D)   K2CrO4(aq)  + 2AgNO3(aq)  → Ag2CrO4(s)  + 2KNO3(aq) 
E)   K2S(aq)  + Pb(NO3) 2(aq)  → PbS(s)  + 2KNO3(aq) F) B) and D)
G) B) and C)

Question 10

Identify the major ions present in an aqueous HNO3 solution.

Accepted Answer

A)   HN2+, O2-
B)   OH-, NO3-
C)   OH-, NO+
D)   H+, N3-, O2-
E)   H+, NO3-F) B) and D)
G) A) and E)

Question 11

Which of these equations does not represent an oxidation-reduction reaction?

Accepted Answer

A)   3Al + 6HCl → 3H2 + AlCl3
B)   2H2O → 2H2 + O2
C)   2NaCl + Pb(NO3) 2 → PbCl2 + 2NaNO3
D)   2NaI + Br2 → 2NaBr + I2
E)   Cu(NO3) 2 + Zn → Zn(NO3) 2 + CuF) B) and D)
G) A) and E)

Question 12

Which one of the following substances is the strongest electrolyte?

Accepted Answer

A)   CO
B)   CH3Cl
C)   CH4
D)   C2H5OH
E)   HClF) B) and C)
G) A) and E)

Question 13

A 250-mL sample of 0.0328 M HCl is partially neutralized by the addition of 100. mL of 0.0245 M NaOH. Find the concentration of hydrochloric acid in the resulting solution.

Accepted Answer

A)   0.00700 M
B)   0.0164 M
C)   0.0383 M
D)   0.0230 M
E)   0.0575 MF) A) and E)
G) C) and D)

Question 14

A(n) ________ ________ has two or more ionizable hydrogen atoms.

Accepted Answer

The answer of A(n) ________ ________ has two or more...

Question 15

Given the following information, write a short activity series for the metals copper, silver, lead, and zinc.
Expt. #1: copper + silver nitrate
Observation: The copper is becoming coated with a substance.
Expt. #2: lead + copper(II) nitrate
Observation: The lead is turning black and crumbling.
Expt. #3: zinc + lead(II) nitrate
Observation: The solid zinc falls apart.

Accepted Answer

Most active Zn, next...

Question 16

Vinegar is a solution of acetic acid, HC2H3O2, dissolved in water. A 5.54-g sample of vinegar was neutralized by 30.10 mL of 0.100 M NaOH. What is the percent by weight of acetic acid in the vinegar?

Accepted Answer

A)   0.0543%
B)   1.08%
C)   3.26%
D)   5.43%
E)   9.23%F) None of the above
G) A) and C)

Question 17

Which is present in all aqueous Brønsted acid solutions?

Accepted Answer

A)   H2
B)   H+
C)   OH-
D)   H2SO4
E)   Cl-F) A) and D)
G) B) and E)

Question 18

Which of these compounds is a nonelectrolyte?

Accepted Answer

A)   NaOH
B)   HNO3
C)   C2H6O (ethanol) 
D)   KF
E)   CH3COOH (acetic acid) F) B) and E)
G) None of the above

Question 19

Which is a correct description of the following reaction? H2SO4 + Cd(OH) 2 → 2H2O + CdSO4

Accepted Answer

A)   This reaction is an acid-base reaction.
B)   In this reaction, hydrogen is oxidized.
C)   In this reaction, sulfur is oxidized.
D)   In this reaction, cadmium is oxidized.
E)   In this reaction, oxygen is oxidized.F) B) and E)
G) D) and E)

Question 20

Based on the solubility rules, which one of these compounds is soluble in water?

Accepted Answer

A)   Hg2Cl2
B)   Na2S
C)   Ag2CO3
D)   Ag2S
E)   BaCO3F) All of the above
G) A) and C)

Exam 4: Reactions in Aqueous Solutions

During a titration, it is found that 53.5 mL of a solution of NaOH is needed to neutralize a solution that contains 1.86 g of HCl. What is the concentration of the NaOH solution?

Correct Answer
verified

Identify the major ions present in an aqueous HNO₃solution.

Correct Answer
verified

What is the molarity of 250 mL of a solution containing 5.9 g of sodium chloride?

Correct Answer
verified

Which of these chemical equations describes a precipitation reaction?

Correct Answer
verified

Which balanced chemical equation could represent the following result of a precipitation reaction?

Correct Answer
verified

Which is present in all aqueous Brønsted acid solutions?

Correct Answer
verified

H₃O⁺ is called the .

Correct Answer
verified

Vinegar is a solution of acetic acid, HC₂H₃O₂, dissolved in water. A 5.54-g sample of vinegar was neutralized by 30.10 mL of 0.100 M NaOH. What is the percent by weight of acetic acid in the vinegar?

Correct Answer
verified

Correct Answer
verified
Most active Zn, next...
View Answer

Which of these compounds is a nonelectrolyte?

Correct Answer
verified

Which of these equations does not represent an oxidation-reduction reaction?

Correct Answer
verified

Which salt is formed in the neutralization reaction of hydrochloric acid with calcium hydroxide?

Correct Answer
verified

A(n) has two or more ionizable hydrogen atoms.

Correct Answer
verified

Which of the following equations is not a redox reaction?

Correct Answer
verified

________ is a concentration unit that is defined as the number of moles of solute per liters of solution.

Correct Answer
verified

Which is a correct description of the following reaction? H₂SO₄ + Cd(OH) ₂→ 2H₂O + CdSO₄

Correct Answer
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Based on the solubility rules, which one of these compounds is soluble in water?

Correct Answer
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Which one of the following substances is the strongest electrolyte?

Correct Answer
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OH^- is called the .

Correct Answer
verified

A 250-mL sample of 0.0328 M HCl is partially neutralized by the addition of 100. mL of 0.0245 M NaOH. Find the concentration of hydrochloric acid in the resulting solution.

Correct Answer
verified

Exam 4: Reactions in Aqueous Solutions

During a titration, it is found that 53.5 mL of a solution of NaOH is needed to neutralize a solution that contains 1.86 g of HCl. What is the concentration of the NaOH solution?

Correct AnswerverifiedShow Answer

Identify the major ions present in an aqueous HNO3 solution.

Correct AnswerverifiedShow Answer

What is the molarity of 250 mL of a solution containing 5.9 g of sodium chloride?

Correct AnswerverifiedShow Answer

Which of these chemical equations describes a precipitation reaction?

Correct AnswerverifiedShow Answer

Which balanced chemical equation could represent the following result of a precipitation reaction?

Correct AnswerverifiedShow Answer

Which is present in all aqueous Brønsted acid solutions?

Correct AnswerverifiedShow Answer

H3O+ is called the ________ ________.

Correct AnswerverifiedShow Answer

Vinegar is a solution of acetic acid, HC2H3O2, dissolved in water. A 5.54-g sample of vinegar was neutralized by 30.10 mL of 0.100 M NaOH. What is the percent by weight of acetic acid in the vinegar?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedMost active Zn, next...View AnswerShow Answer

Which of these compounds is a nonelectrolyte?

Correct AnswerverifiedShow Answer

Which of these equations does not represent an oxidation-reduction reaction?

Correct AnswerverifiedShow Answer

Which salt is formed in the neutralization reaction of hydrochloric acid with calcium hydroxide?

Correct AnswerverifiedShow Answer

A(n) ________ ________ has two or more ionizable hydrogen atoms.

Correct AnswerverifiedShow Answer

Which of the following equations is not a redox reaction?

Correct AnswerverifiedShow Answer

________ is a concentration unit that is defined as the number of moles of solute per liters of solution.

Correct AnswerverifiedShow Answer

Which is a correct description of the following reaction? H2SO4 + Cd(OH) 2 → 2H2O + CdSO4

Correct AnswerverifiedShow Answer

Based on the solubility rules, which one of these compounds is soluble in water?

Correct AnswerverifiedShow Answer

Which one of the following substances is the strongest electrolyte?

Correct AnswerverifiedShow Answer

OH- is called the ________ ________.

Correct AnswerverifiedShow Answer

A 250-mL sample of 0.0328 M HCl is partially neutralized by the addition of 100. mL of 0.0245 M NaOH. Find the concentration of hydrochloric acid in the resulting solution.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Identify the major ions present in an aqueous HNO₃solution.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

H₃O⁺ is called the .

Correct Answer
verified

Vinegar is a solution of acetic acid, HC₂H₃O₂, dissolved in water. A 5.54-g sample of vinegar was neutralized by 30.10 mL of 0.100 M NaOH. What is the percent by weight of acetic acid in the vinegar?

Correct Answer
verified

Correct Answer
verified
Most active Zn, next...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

A(n) has two or more ionizable hydrogen atoms.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Which is a correct description of the following reaction? H₂SO₄ + Cd(OH) ₂→ 2H₂O + CdSO₄

Correct Answer
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Correct Answer
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Correct Answer
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OH^- is called the .

Correct Answer
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Correct Answer
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