Zinc dissolves in hydrochloric acid to yield hydrogen gas as follows: Zn(s)+ 2HCl(aq)→ ZnCl2(aq)+ H2(g) What mass of hydrogen gas is produced when a 7.35-g sample of zinc dissolves in 500.mL of 1.200 M HCl?

A) 0.605 g B) 0.113 g C) 0.302 g D) 0.453 g E) 0.227 g A) 0.605 g B) 0.113 g C) 0.302 g D) 0.453 g E) 0.227 g

Suppose a large piece of a metallic solid,A(s),is placed in a beaker containing the metallic cation Z2+(aq), as depicted below. If Z is a more active metal than A,which is a possible representation of the final reaction mixture?

A) I only B) II only C) III only D) I or II E) II or III A) I only B) II only C) III only D) I or II E) II or III

What is the oxidation number of N in K3Fe(CN)6?

A) +3 B) -3 C) +4 D) -5 E) +1 A) +3 B) -3 C) +4 D) -5 E) +1

35.0 mL of 0.255 M nitric acid is added to 45.0 mL of 0.328 M Mg(NO3)2.What is the concentration of nitrate ion in the final solution?

A) 0.296 M B) 0.481 M C) 0.583 M D) 0.911 M E) 0.148 M A) 0.296 M B) 0.481 M C) 0.583 M D) 0.911 M E) 0.148 M

Exam 4: Reactions in Aqueous Solutions

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Zinc dissolves in hydrochloric acid to yield hydrogen gas as follows: Zn(s)+ 2HCl(aq)→ ZnCl₂(aq)+ H₂(g) What mass of hydrogen gas is produced when a 7.35-g sample of zinc dissolves in 500.mL of 1.200 M HCl?

(Multiple Choice)

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Question 101

Which salt is produced by the neutralization of potassium hydroxide with sulfuric acid?

(Multiple Choice)

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Question 102

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

(Multiple Choice)

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Question 103

Suppose a large piece of a metallic solid,A(s),is placed in a beaker containing the metallic cation Z²⁺(aq), as depicted below. If Z is a more active metal than A,which is a possible representation of the final reaction mixture?

(Multiple Choice)

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Question 104

If aqueous solutions of lead(II)nitrate and sodium sulfate,which insoluble precipitate is formed?

(Multiple Choice)

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Question 105

If aqueous solutions of ammonium sulfide and copper(II)nitrate are mixed,which insoluble precipitate is formed?

(Multiple Choice)

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Question 106

Which is a strong acid?

(Multiple Choice)

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Question 107

Which of these chemical equations describes a disproportionation reaction?

(Multiple Choice)

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Question 108

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

(Short Answer)

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Question 109

What is the oxidation number of N in K₃Fe(CN)₆?

(Multiple Choice)

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Question 110

35.0 mL of 0.255 M nitric acid is added to 45.0 mL of 0.328 M Mg(NO₃)₂.What is the concentration of nitrate ion in the final solution?

(Multiple Choice)

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Question 111

Which one of the following is a strong acid?

(Multiple Choice)

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Question 112

Which of these compounds is a nonelectrolyte?

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Question 113

Balance the following oxidation-reduction equation: Li(s)+ O₂(g)→ Li₂O(s)

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Question 114

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.

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Question 115

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)

(Multiple Choice)

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Question 116

Write a short definition for an Arrhenius acid.

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Question 117

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

(Multiple Choice)

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Question 118

Starting with a 1.35 M HCl stock solution,five standard solutions are prepared by sequentially diluting 5.00 mL of each solution to 100.0 mL.What is the concentration of the final solution?

(Multiple Choice)

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Question 119

Complete the following reaction and identify the Brønsted acid. NaOH(aq)+ HCl(aq)→

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Question 120

Showing 101 - 120 of 144

Exam 4: Reactions in Aqueous Solutions

Zinc dissolves in hydrochloric acid to yield hydrogen gas as follows: Zn(s)+ 2HCl(aq)→ ZnCl2(aq)+ H2(g) What mass of hydrogen gas is produced when a 7.35-g sample of zinc dissolves in 500.mL of 1.200 M HCl?

Which salt is produced by the neutralization of potassium hydroxide with sulfuric acid?

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

Suppose a large piece of a metallic solid,A(s),is placed in a beaker containing the metallic cation Z2+(aq), as depicted below. If Z is a more active metal than A,which is a possible representation of the final reaction mixture?

If aqueous solutions of lead(II)nitrate and sodium sulfate,which insoluble precipitate is formed?

If aqueous solutions of ammonium sulfide and copper(II)nitrate are mixed,which insoluble precipitate is formed?

Which is a strong acid?

Which of these chemical equations describes a disproportionation reaction?

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

What is the oxidation number of N in K3Fe(CN)6?

35.0 mL of 0.255 M nitric acid is added to 45.0 mL of 0.328 M Mg(NO3)2.What is the concentration of nitrate ion in the final solution?

Which one of the following is a strong acid?

Which of these compounds is a nonelectrolyte?

Balance the following oxidation-reduction equation: Li(s)+ O2(g)→ Li2O(s)

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)

Write a short definition for an Arrhenius acid.

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

Starting with a 1.35 M HCl stock solution,five standard solutions are prepared by sequentially diluting 5.00 mL of each solution to 100.0 mL.What is the concentration of the final solution?

Complete the following reaction and identify the Brønsted acid. NaOH(aq)+ HCl(aq)→

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Zinc dissolves in hydrochloric acid to yield hydrogen gas as follows: Zn(s)+ 2HCl(aq)→ ZnCl₂(aq)+ H₂(g) What mass of hydrogen gas is produced when a 7.35-g sample of zinc dissolves in 500.mL of 1.200 M HCl?

Suppose a large piece of a metallic solid,A(s),is placed in a beaker containing the metallic cation Z²⁺(aq), as depicted below. If Z is a more active metal than A,which is a possible representation of the final reaction mixture?

What is the oxidation number of N in K₃Fe(CN)₆?

35.0 mL of 0.255 M nitric acid is added to 45.0 mL of 0.328 M Mg(NO₃)₂.What is the concentration of nitrate ion in the final solution?

Balance the following oxidation-reduction equation: Li(s)+ O₂(g)→ Li₂O(s)

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)

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