Question 1

If aqueous solutions of Ba(OH) 2 and HNO3 are mixed,what products are formed?

Accepted Answer

A)  BaN2(s) + H2O(l) 
B)  Ba(NO3) 2(aq) + H2O(l) 
C)  Ba(s) + H2(g) + NO2(g) 
D)  Ba2O(s) + NO2(g) + H2O(l) 
E)  Ba3N2(s) + H2O(l) F) C) and D)
G) B) and E)

Question 2

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

Accepted Answer

A)  Na2SO4
B)  BaSO4
C)  CuSO4
D)  MgSO4
E)  Rb2SO4F) A) and E)
G) A) and D)

Question 3

An electrolyte is a substance that dissolves in water to yield a solution that conducts electricity.

Accepted Answer

A) True 
 B)False

Question 4

Which chemical equation describes a combustion reaction?

Accepted Answer

A)  2C2H6(g) + 7O2(g) → 4CO2(g) + 6H2O(l) 
B)  LiOH(aq) + HNO3(aq) → LiNO3(aq) + H2O(l) 
C)  N2(g) + 3H2(g) → 2NH3(g) 
D)  2Na(s) + 2H2O(l) → 2NaOH(aq) + H2(g) 
E)  2Al(s) + 3H2SO4(aq) → Al2(SO4) 3(aq) + 3H2(g) F) D) and E)
G) B) and E)

Question 5

Which of the following is a strong acid?

Accepted Answer

A)  H3PO4
B)  HNO3
C)  HF
D)  CH3COOH
E)  H2OF) D) and E)
G) A) and E)

Question 6

Select the compound in which sulfur has its highest possible oxidation number.

Accepted Answer

A)  H2S
B)  SO2
C)  SCl2
D)  H2SO3
E)  Na2SO4F) A) and E)
G) B) and C)

Question 7

The diagram below represents the final mixture corresponding to which chemical process? (Each sphere represents 1 mole of ions.)

Accepted Answer

A)  Six moles of sodium metal are added to six moles of hydrochloric acid.
B)  Six moles of magnesium metal are added to six moles of hydrochloric acid.
C)  Six moles of aluminum metal are added to twelve moles of hydrochloric acid.
D)  Twelve moles of sodium metal are added to twelve moles of hydrochloric acid.
E)  Twelve moles of magnesium metal are added to twelve moles of hydrochloric acid.F) A) and C)
G) C) and D)

Question 8

A(n)______________ is a substance that has a distinctly different color in acidic and basic media and is used in acid-base titrations to find the endpoint of the titration.

Accepted Answer

The answer of A(n)______________ is a substance that has a...

Question 9

Which one of the following is a strong acid?

Accepted Answer

A)  CH3COOH
B)  H2SO3
C)  NH3
D)  H3PO4
E)  HClO3F) A) and C)
G) A) and B)

Question 10

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 E)
G) B) and D)

Question 11

The substance HClO4 is considered to be

Accepted Answer

A)  a weak acid.
B)  a weak base.
C)  a strong acid.
D)  a strong base.
E)  neither acidic nor basic.F) A) and B)
G) A) and C)

Question 12

Which chemical equation describes a hydrogen displacement reaction?

Accepted Answer

A)  2C2H6(g) + 7O2(g) → 4CO2(g) + 6H2O(l) 
B)  2KBr(aq) + Cl2(g) → 2KCl(aq) + Br2(l) 
C)  N2(g) + 3H2(g) → 2NH3(g) 
D)  CaBr2(aq) + H2SO4(aq) → CaSO4(s) + 2HBr(g) 
E)  2Al(s) + 3H2SO4(aq) → Al2(SO4) 3(aq) + 3H2(g) F) B) and E)
G) C) and D)

Question 13

Which is defined as the maximum amount of solute that will dissolve in a given quantity of solvent at a specific temperature?

Accepted Answer

A)  precipitation
B)  combustion
C)  solubility
D)  super saturation
E)  dilutionF) All of the above
G) A) and B)

Question 14

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) A) and B)
G) A) and C)

Question 15

________________ ____________ is a highly accurate analytical technique which is quantitative and based on the measurement of mass.

Accepted Answer

Gravimetri...

Question 16

Which of these compounds is a weak electrolyte?

Accepted Answer

A)  HCl
B)  NH3
C)  C6H12O6(glucose) 
D)  N2
E)  KClF) C) and E)
G) B) and D)

Question 17

Which accurately characterizes all nonelectrolyte solutions?

Accepted Answer

A)  Nonelectrolyte solutions contain molecules.
B)  Nonelectrolyte solutions conduct electricity.
C)  Nonelectrolyte solutions react with other solutions.
D)  Nonelectrolyte solutions do not conduct electricity.
E)  Nonelectrolyte solutions conduct heat.F) B) and E)
G) A) and D)

Question 18

What is the net ionic equation if sodium sulfate is mixed with barium hydroxide?

Accepted Answer

A)  2Na+(aq) + SO42-(aq) → Na2SO4(s) 
B)  Na+(aq) + OH-(aq) → NaOH(s) 
C)  2Ba+(aq) + SO42- (aq) → Ba2SO4(s) 
D)  Ba2+(aq) + SO42- (aq) → BaSO4(s) 
E)  Ba2+(aq) + 2OH-(aq) → Ba(OH) 2(s) F) A) and B)
G) A) and C)

Question 19

Which chemical equation describes an acid-base neutralization reaction?

Accepted Answer

A)  2Al(s) + 3H2SO4 (aq) → Al2 (SO4) 3 (aq) + 3H2(g) 
B)  2SO2(g) + 2H2O(l) + O2(g) → 2H2SO4(aq) 
C)  LiOH(aq) + HNO3(aq) → LiNO3(aq) + H2O(l) 
D)  2KBr(aq) + Cl2(g) → 2KCl(aq) + Br2(l) 
E)  CaBr2(aq) + H2SO4(aq) → CaSO4(s) + 2HBr(g) F) A) and C)
G) B) and E)

Question 20

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) A) and B)
G) None of the above

Exam 4: Reactions in Aqueous Solutions

The diagram below represents the final mixture corresponding to which chemical process? (Each sphere represents 1 mole of ions.)

Correct AnswerverifiedShow Answer

________________ ____________ is a highly accurate analytical technique which is quantitative and based on the measurement of mass.

Correct AnswerverifiedGravimetri...View AnswerShow Answer

What is the net ionic equation if sodium sulfate is mixed with barium hydroxide?

Correct AnswerverifiedShow Answer

Which of the following is a strong acid?

Correct AnswerverifiedShow Answer

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

An electrolyte is a substance that dissolves in water to yield a solution that conducts electricity.

Correct AnswerverifiedShow Answer

Which accurately characterizes all nonelectrolyte solutions?

Correct AnswerverifiedShow Answer

Which chemical equation describes an acid-base neutralization reaction?

Correct AnswerverifiedShow Answer

Which of these compounds is a weak electrolyte?

Correct AnswerverifiedShow Answer

The substance HClO4 is considered to be

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which one of the following is a strong acid?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which chemical equation describes a hydrogen displacement reaction?

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Select the compound in which sulfur has its highest possible oxidation number.

Correct AnswerverifiedShow Answer

A(n)______________ is a substance that has a distinctly different color in acidic and basic media and is used in acid-base titrations to find the endpoint of the titration.

Correct AnswerverifiedShow Answer

Which chemical equation describes a combustion reaction?

Correct AnswerverifiedShow Answer

If aqueous solutions of Ba(OH) 2 and HNO3 are mixed,what products are formed?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which is defined as the maximum amount of solute that will dissolve in a given quantity of solvent at a specific temperature?

Correct AnswerverifiedShow Answer

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____ is a highly accurate analytical technique which is quantitative and based on the measurement of mass.

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Gravimetri...
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The substance HClO₄ is considered to be

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

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If aqueous solutions of Ba(OH) ₂ and HNO₃ are mixed,what products are formed?

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