Question 1

Suppose aqueous solutions of silver(I)  nitrate and potassium chloride are mixed. Which represents the likely result?

Accepted Answer

A)   
B)   
C)   
D)   E) All of the above
F) None of the above

Question 2

The substance NH3 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) C) and D)
G) B) and D)

Question 3

What is the oxidation number of oxygen in potassium superoxide, KO2?

Accepted Answer

A)   +1
B)   0
C)   -½
D)   +½
E)   -2F) A) and C)
G) A) and E)

Question 4

Which of the following compounds is most likely to dissolve in water?

Accepted Answer

A)   BaSO4
B)   AgBr
C)   CaCO3
D)   Na2S
E)   None of these compounds would dissolve in water.F) B) and E)
G) C) and D)

Question 5

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(aq) 
C)   N2(g)  + 3H2(g)  → 2NH3(g) 
D)   CaBr2(aq)  + H2SO4(aq)  → CaSO4(s)  + 2HBr(aq) 
E)   2Al(s)  + 3H2SO4(aq)  → Al2(SO4) 3(aq)  + 3H2(g) F) C) and E)
G) B) and E)

Question 6

Which substance is present in the largest proportion in a solution?

Accepted Answer

A)   salute
B)   gas
C)   solvent
D)   solid
E)   soluteF) B) and D)
G) None of the above

Question 7

The distinguishing characteristic of all nonelectrolyte solutions is that they

Accepted Answer

A)   contain ions.
B)   do not conduct electricity.
C)   react with other solutions.
D)   always contain acids.
E)   conducts heat.F) A) and B)
G) A) and E)

Question 8

What is oxidized in the following reaction? Fe + Ag2O → FeO + 2Ag

Accepted Answer

A)   Ag
B)   Ag2O
C)   Fe
D)   FeO
E)   2AgF) B) and C)
G) C) and D)

Question 9

Based on the solubility rules, which of these processes will occur if solutions of CuSO4(aq)  and BaCl2(aq)  are mixed?

Accepted Answer

A)   CuCl2 will precipitate; Ba2+ and SO42- are spectator ions.
B)   CuSO4 will precipitate; Ba2+ and Cl- are spectator ions.
C)   BaSO4 will precipitate; Cu2+ and Cl- are spectator ions.
D)   BaCl2 will precipitate; Cu2+ and SO42- are spectator ions.
E)   No precipitate will form.F) A) and B)
G) C) and E)

Question 10

Which represents the result of mixing equal volumes of 1 M HCl and 1 M NH3 solutions? (Each sphere represents 1 mol of ions.)

Accepted Answer

A)   3 solutions? (Each sphere represents 1 mol of ions.)  
A)     
B)     
C)     
D)     
E)    " class="answers-bank-image d-inline" rel="preload" >
B)   3 solutions? (Each sphere represents 1 mol of ions.)  
A)     
B)     
C)     
D)     
E)    " class="answers-bank-image d-inline" rel="preload" >
C)   3 solutions? (Each sphere represents 1 mol of ions.)  
A)     
B)     
C)     
D)     
E)    " class="answers-bank-image d-inline" rel="preload" >
D)   3 solutions? (Each sphere represents 1 mol of ions.)  
A)     
B)     
C)     
D)     
E)    " class="answers-bank-image d-inline" rel="preload" >
E)   3 solutions? (Each sphere represents 1 mol of ions.)  
A)     
B)     
C)     
D)     
E)    " class="answers-bank-image d-inline" rel="preload" >F) A) and C)
G) B) and C)

Question 11

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) D) and E)
G) C) and D)

Question 12

Which substance is present in the smallest proportion in a solution?

Accepted Answer

A)   liquid
B)   gas
C)   solvent
D)   solid
E)   soluteF) B) and E)
G) None of the above

Question 13

A 3.682-g sample of KClO3 is dissolved in enough water to give 375. mL of solution. What is the chlorate ion concentration in this solution?

Accepted Answer

A)   9.82 M
B)   1.60 × 10-1 M
C)   8.01 ×10-2 M
D)   9.82 × 10-3 M
E)   1.60 × 10-2 MF) None of the above
G) C) and D)

Question 14

Write a short definition for an Arrhenius acid.

Accepted Answer

An Arrhenius acid is...

Question 15

Which is a strong acid?

Accepted Answer

A)   Ba(OH) 2
B)   H3PO4
C)   HC2H3O2
D)   NaCl
E)   HClO4F) A) and B)
G) C) and D)

Question 16

Which salt is produced by the neutralization of nitric acid with calcium hydroxide?

Accepted Answer

A)   CaNO3
B)   Ca2(NO3) 3
C)   Ca3(NO3) 2
D)   Ca2NO3
E)   Ca(NO3) 2F) B) and E)
G) C) and D)

Question 17

________ is the name given for the process when a substance gains electrons during a chemical reaction.

Accepted Answer

The answer of ________ is the name given for the...

Question 18

Which of the following is a strong base?

Accepted Answer

A)   NH3
B)   Ca(OH) 2
C)   Al(OH) 3
D)   B(OH) 3
E)   CH3OHF) B) and C)
G) A) and C)

Question 19

Automobile batteries use 3.0 M H2SO4 as an electrolyte. How much 1.20 M NaOH will be needed to neutralize 225 mL of battery acid? H2SO4(aq)  + 2NaOH(aq)  → 2H2O(l)  + Na2SO4(aq)

Accepted Answer

A)   0.045 L
B)   0.28 L
C)   0.56 L
D)   0.90 L
E)   1.1 LF) A) and D)
G) A) and E)

Question 20

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

Accepted Answer

A)   CaSO4
B)   BaSO4
C)   PbSO4
D)   K2SO4
E)   Ag2SO4F) B) and C)
G) C) and D)

Exam 4: Reactions in Aqueous Solutions

Which substance is present in the smallest proportion in a solution?

Correct AnswerverifiedShow Answer

________ is the name given for the process when a substance gains electrons during a chemical reaction.

Correct AnswerverifiedShow Answer

Based on the solubility rules, which of these processes will occur if solutions of CuSO4(aq) and BaCl2(aq) are mixed?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What is oxidized in the following reaction? Fe + Ag2O → FeO + 2Ag

Correct AnswerverifiedShow Answer

Automobile batteries use 3.0 M H2SO4 as an electrolyte. How much 1.20 M NaOH will be needed to neutralize 225 mL of battery acid? H2SO4(aq) + 2NaOH(aq) → 2H2O(l) + Na2SO4(aq)

Correct AnswerverifiedShow Answer

Which of the following is a strong base?

Correct AnswerverifiedShow Answer

Which of the following compounds is most likely to dissolve in water?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The substance NH3 is considered to be

Correct AnswerverifiedShow Answer

Which is a strong acid?

Correct AnswerverifiedShow Answer

Which chemical equation describes a hydrogen displacement reaction?

Correct AnswerverifiedShow Answer

The distinguishing characteristic of all nonelectrolyte solutions is that they

Correct AnswerverifiedShow Answer

Which represents the result of mixing equal volumes of 1 M HCl and 1 M NH3 solutions? (Each sphere represents 1 mol of ions.)

Correct AnswerverifiedShow Answer

Write a short definition for an Arrhenius acid.

Correct AnswerverifiedAn Arrhenius acid is...View AnswerShow Answer

Suppose aqueous solutions of silver(I) nitrate and potassium chloride are mixed. Which represents the likely result?

Correct AnswerverifiedShow Answer

A 3.682-g sample of KClO3 is dissolved in enough water to give 375. mL of solution. What is the chlorate ion concentration in this solution?

Correct AnswerverifiedShow Answer

Which salt is produced by the neutralization of nitric acid with calcium hydroxide?

Correct AnswerverifiedShow Answer

What is the oxidation number of oxygen in potassium superoxide, KO2?

Correct AnswerverifiedShow Answer

Which substance is present in the largest proportion in a solution?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Based on the solubility rules, which of these processes will occur if solutions of CuSO₄(aq) and BaCl₂(aq) are mixed?

Correct Answer
verified

Correct Answer
verified

What is oxidized in the following reaction? Fe + Ag₂O → FeO + 2Ag

Correct Answer
verified

Automobile batteries use 3.0 M H₂SO₄ as an electrolyte. How much 1.20 M NaOH will be needed to neutralize 225 mL of battery acid? H₂SO₄(aq) + 2NaOH(aq) → 2H₂O(l) + Na₂SO₄(aq)

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

The substance NH₃ is considered to be

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Which represents the result of mixing equal volumes of 1 M HCl and 1 M NH₃ solutions? (Each sphere represents 1 mol of ions.)

Correct Answer
verified

Correct Answer
verified
An Arrhenius acid is...
View Answer

Correct Answer
verified

A 3.682-g sample of KClO₃ is dissolved in enough water to give 375. mL of solution. What is the chlorate ion concentration in this solution?

Correct Answer
verified

Correct Answer
verified

What is the oxidation number of oxygen in potassium superoxide, KO₂?

Correct Answer
verified

Correct Answer
verified