Question 1

Write balanced molecular and net ionic equations for the acid-base neutralization reaction between H3PO4(aq)and Ba(OH)2(aq). Be sure to include the correct states in your final equations. If no reaction is expected, write "no reaction."

Accepted Answer

Molecular equation: 2H₃PO

Question 2

Identify the following compound as an electrolyte or nonelectrolyte: C12H22O11(sucrose).

Accepted Answer

Question 3

Identify the following compound as an electrolyte or nonelectrolyte: H2SO4.

Accepted Answer

Question 4

Identify the following as either a good or poor conductor of electricity: gasoline (C8H18).

Accepted Answer

Question 5

When 50.0 mL of a 0.3000 M AgNO3 solution is added to 50.0 mL of a solution of MgCl2, an AgCl precipitate forms immediately. The precipitate is then filtered from the solution, dried, and weighed. If the recovered AgCl is found to have a mass of 0.1183 g, what is the concentration of magnesium ions in the original MgCl2 solution?

Accepted Answer

A)  0.300 M
B)  8.25 * 10-3 M
C)  1.65 * 10-2 M
D)  2.06 * 10-5 M
E)  4.13 * 10-3 M

Question 6

Give an example of a monoprotic acid.

Accepted Answer

The answer of Give an example of a monoprotic acid....

Question 7

Write the net ionic equation for the following reaction. Aqueous iron(III)sulfate is added to aqueous sodium sulfide to produce solid iron(III)sulfide and aqueous sodium sulfate.

Accepted Answer

2Fe³⁺(aq)...

Question 8

Identify the following compound as a strong electrolyte, weak electrolyte, or nonelectrolyte: CH3COOH.

Accepted Answer

Question 9

Write balanced molecular and net ionic equations for the reaction that would occur between CaCl2(aq)and Na2CO3(aq). Be sure to include the correct states in your final equations. If no reaction is expected, write "no reaction."

Accepted Answer

Molecular equation: CaCl₂(aq)...

Question 10

The oxidation number of Fe in K3Fe(CN) 6 is

Accepted Answer

A)  +3.
B)  +2.
C)  +1.
D)  -3.
E)  -4.

Question 11

Which of the following represents a hydrogen displacement reaction?

Accepted Answer

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

Question 12

Write balanced molecular and net ionic equations for the reaction that would occur between Al(s)and Co(NO3)2(aq). Be sure to include the correct states in your final equations. If no reaction is expected, write "no reaction."

Accepted Answer

Molecular equation: 2Al(s)+ 3C...

Question 13

What volume of concentrated nitric acid (15.0 M)is required to make 100. mL of a 3.0 M nitric acid solution?

Accepted Answer

The answer of What volume of concentrated nitric acid (15.0...

Question 14

A 350. mL sample of 0.276M HNO3 is partially neutralized by 125 mL of 0.0120M Ca(OH) 2. Find the concentration of nitric acid in the resulting solution.

Accepted Answer

A)  0.210 M
B)  0.00632 M
C)  0.203 M
D)  0.0240 M
E)  0.197 M

Question 15

Identify the element being reduced in the following reaction.
4Al + 3O2 $\rarr$ 2Al2O3

Accepted Answer

The answer of Identify the element being reduced in the...

Question 16

Predict the products of the following single replacement reaction. 
Fe(s) + CuSO4(aq)  →\rarr→

Accepted Answer

A)  Cu(s) + FeSO4(aq) 
B)  Fe(s) + Cu(s) + SO4(aq) 
C)  CuS(s) + Fe2SO4(aq) 
D)  FeCuSO4(aq) 
E)  FeO(s) + CuSO3(aq)

Question 17

What element is oxidized in the following chemical reaction? 
NiO2 + Cd + 2H2O  →\rarr→  Ni(OH) 2 + Cd(OH) 2

Accepted Answer

A)  Ni
B)  Cd
C)  O
D)  H
E)  This is not a redox reaction.

Question 18

Based on the solubility rules, which one of the following should be soluble in water?

Accepted Answer

A)  Hg2Cl2
B)  Na2S
C)  Ag2CO3
D)  Ag2S
E)  BaSO4

Question 19

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

Accepted Answer

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

Question 20

Identify the element being oxidized in the following reaction.
2KBr + F2 $\rarr$ Br2 + 2KF

Accepted Answer

The answer of Identify the element being oxidized in the...

Exam 4: Reactions in Aqueous Solution

Identify the element being oxidized in the following reaction. 2KBr + F₂ $\rarr$ Br₂ + 2KF

Correct Answer
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Write balanced molecular and net ionic equations for the reaction that would occur between CaCl₂(aq)and Na₂CO₃(aq). Be sure to include the correct states in your final equations. If no reaction is expected, write "no reaction."

Correct Answer
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Molecular equation: CaCl₂(aq)...
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Write balanced molecular and net ionic equations for the acid-base neutralization reaction between H₃PO₄(aq)and Ba(OH)₂(aq). Be sure to include the correct states in your final equations. If no reaction is expected, write "no reaction."

Correct Answer
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Molecular equation: 2H₃PO
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What volume of concentrated nitric acid (15.0 M)is required to make 100. mL of a 3.0 M nitric acid solution?

Correct Answer
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Identify the following as either a good or poor conductor of electricity: gasoline (C₈H₁₈).

Correct Answer
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Which of the following equations does not represent an oxidation-reduction reaction?

Correct Answer
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Write the net ionic equation for the following reaction. Aqueous iron(III)sulfate is added to aqueous sodium sulfide to produce solid iron(III)sulfide and aqueous sodium sulfate.

Correct Answer
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2Fe³⁺(aq)...
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Identify the following compound as a strong electrolyte, weak electrolyte, or nonelectrolyte: CH₃COOH.

Correct Answer
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What element is oxidized in the following chemical reaction? NiO₂ + Cd + 2H₂O $\rarr$ Ni(OH) ₂ + Cd(OH) ₂

Correct Answer
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Identify the element being reduced in the following reaction. 4Al + 3O₂ $\rarr$ 2Al₂O₃

Correct Answer
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The oxidation number of Fe in K₃Fe(CN) ₆ is

Correct Answer
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Identify the following compound as an electrolyte or nonelectrolyte: C₁₂H₂₂O₁₁(sucrose).

Correct Answer
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Write balanced molecular and net ionic equations for the reaction that would occur between Al(s)and Co(NO₃)₂(aq). Be sure to include the correct states in your final equations. If no reaction is expected, write "no reaction."

Correct Answer
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Molecular equation: 2Al(s)+ 3C...
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Predict the products of the following single replacement reaction. Fe(s) + CuSO₄(aq) $\rarr$

Correct Answer
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Correct Answer
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Give an example of a monoprotic acid.

Correct Answer
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Based on the solubility rules, which one of the following should be soluble in water?

Correct Answer
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Identify the following compound as an electrolyte or nonelectrolyte: H₂SO₄.

Correct Answer
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Which of the following represents a hydrogen displacement reaction?

Correct Answer
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A 350. mL sample of 0.276M HNO₃ is partially neutralized by 125 mL of 0.0120M Ca(OH) ₂. Find the concentration of nitric acid in the resulting solution.

Correct Answer
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Exam 4: Reactions in Aqueous Solution

Identify the element being oxidized in the following reaction. 2KBr + F2 →\rarr→ Br2 + 2KF

Correct AnswerverifiedShow Answer

Write balanced molecular and net ionic equations for the reaction that would occur between CaCl2(aq)and Na2CO3(aq). Be sure to include the correct states in your final equations. If no reaction is expected, write "no reaction."

Correct AnswerverifiedMolecular equation: CaCl2(aq)...View AnswerShow Answer

Write balanced molecular and net ionic equations for the acid-base neutralization reaction between H3PO4(aq)and Ba(OH)2(aq). Be sure to include the correct states in your final equations. If no reaction is expected, write "no reaction."

Correct AnswerverifiedMolecular equation: 2H3POView AnswerShow Answer

What volume of concentrated nitric acid (15.0 M)is required to make 100. mL of a 3.0 M nitric acid solution?

Correct AnswerverifiedShow Answer

Identify the following as either a good or poor conductor of electricity: gasoline (C8H18).

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Write the net ionic equation for the following reaction. Aqueous iron(III)sulfate is added to aqueous sodium sulfide to produce solid iron(III)sulfide and aqueous sodium sulfate.

Correct Answerverified2Fe3+(aq)...View AnswerShow Answer

Identify the following compound as a strong electrolyte, weak electrolyte, or nonelectrolyte: CH3COOH.

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What element is oxidized in the following chemical reaction? NiO2 + Cd + 2H2O →\rarr→ Ni(OH) 2 + Cd(OH) 2

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Identify the element being reduced in the following reaction. 4Al + 3O2 →\rarr→ 2Al2O3

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The oxidation number of Fe in K3Fe(CN) 6 is

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Identify the following compound as an electrolyte or nonelectrolyte: C12H22O11(sucrose).

Correct AnswerverifiedShow Answer

Write balanced molecular and net ionic equations for the reaction that would occur between Al(s)and Co(NO3)2(aq). Be sure to include the correct states in your final equations. If no reaction is expected, write "no reaction."

Correct AnswerverifiedMolecular equation: 2Al(s)+ 3C...View AnswerShow Answer

Predict the products of the following single replacement reaction. Fe(s) + CuSO4(aq) →\rarr→

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Give an example of a monoprotic acid.

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Based on the solubility rules, which one of the following should be soluble in water?

Correct AnswerverifiedShow Answer

Identify the following compound as an electrolyte or nonelectrolyte: H2SO4.

Correct AnswerverifiedShow Answer

Which of the following represents a hydrogen displacement reaction?

Correct AnswerverifiedShow Answer

A 350. mL sample of 0.276M HNO3 is partially neutralized by 125 mL of 0.0120M Ca(OH) 2. Find the concentration of nitric acid in the resulting solution.

Correct AnswerverifiedShow Answer

Identify the element being oxidized in the following reaction. 2KBr + F₂ $\rarr$ Br₂ + 2KF

Correct Answer
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Write balanced molecular and net ionic equations for the reaction that would occur between CaCl₂(aq)and Na₂CO₃(aq). Be sure to include the correct states in your final equations. If no reaction is expected, write "no reaction."

Correct Answer
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Molecular equation: CaCl₂(aq)...
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Write balanced molecular and net ionic equations for the acid-base neutralization reaction between H₃PO₄(aq)and Ba(OH)₂(aq). Be sure to include the correct states in your final equations. If no reaction is expected, write "no reaction."

Correct Answer
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Molecular equation: 2H₃PO
View Answer

Correct Answer
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Identify the following as either a good or poor conductor of electricity: gasoline (C₈H₁₈).

Correct Answer
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Correct Answer
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Correct Answer
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2Fe³⁺(aq)...
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Identify the following compound as a strong electrolyte, weak electrolyte, or nonelectrolyte: CH₃COOH.

Correct Answer
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What element is oxidized in the following chemical reaction? NiO₂ + Cd + 2H₂O $\rarr$ Ni(OH) ₂ + Cd(OH) ₂

Correct Answer
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Identify the element being reduced in the following reaction. 4Al + 3O₂ $\rarr$ 2Al₂O₃

Correct Answer
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The oxidation number of Fe in K₃Fe(CN) ₆ is

Correct Answer
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Identify the following compound as an electrolyte or nonelectrolyte: C₁₂H₂₂O₁₁(sucrose).

Correct Answer
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Write balanced molecular and net ionic equations for the reaction that would occur between Al(s)and Co(NO₃)₂(aq). Be sure to include the correct states in your final equations. If no reaction is expected, write "no reaction."

Correct Answer
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Molecular equation: 2Al(s)+ 3C...
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Predict the products of the following single replacement reaction. Fe(s) + CuSO₄(aq) $\rarr$

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Identify the following compound as an electrolyte or nonelectrolyte: H₂SO₄.

Correct Answer
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Correct Answer
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A 350. mL sample of 0.276M HNO₃ is partially neutralized by 125 mL of 0.0120M Ca(OH) ₂. Find the concentration of nitric acid in the resulting solution.

Correct Answer
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