Question 1

When dissolved in water,of HClO4, NH3,KOH,HI,and CH3OH which are acids?

Accepted Answer

A) NH3 and KOH 
B) HClO4 and HI 
C) only HI 
D) only KOH 
A) NH3 and KOH 
B) HClO4 and HI 
C) only HI 
D) only KOH

Question 2

Three different substances,A2X,A2Y,and A2Z,were dissolved in water with the following results.(Water molecules are omitted for clarity. )Which of the substances is the strongest electrolyte,and which is the weakest?

Accepted Answer

A) A2X is the strongest electrolyte and A2Y is the weakest electrolyte. 
B) A2Y is the strongest electrolyte and A2X is the weakest electrolyte. 
C) A2Y is the strongest electrolyte and A2Z is the weakest electrolyte. 
D) A2Z is the strongest electrolyte and A2Y is the weakest electrolyte. 
A) A2X is the strongest electrolyte and A2Y is the weakest electrolyte. 
B) A2Y is the strongest electrolyte and A2X is the weakest electrolyte. 
C) A2Y is the strongest electrolyte and A2Z is the weakest electrolyte. 
D) A2Z is the strongest electrolyte and A2Y is the weakest electrolyte.

Question 3

Write a balanced net ionic equation for the reaction of AgNO3(aq)with Cu(s).

Accepted Answer

A) AgNO3(aq)+ Cu(s)→ Ag(s)+ CuNO3(aq) 
B) Ag+(aq)+ Cu(s)→ Ag(s)+ Cu+(aq) 
C) 2 AgNO3(aq)+ Cu(s)→ 2 Ag(s)+ CuNO3(aq) 
D) 2Ag+(aq)+ Cu(s)→ 2 Ag(s)+ Cu2+(aq) 
A) AgNO3(aq)+ Cu(s)→ Ag(s)+ CuNO3(aq) 
B) Ag+(aq)+ Cu(s)→ Ag(s)+ Cu+(aq) 
C) 2 AgNO3(aq)+ Cu(s)→ 2 Ag(s)+ CuNO3(aq) 
D) 2Ag+(aq)+ Cu(s)→ 2 Ag(s)+ Cu2+(aq)

Question 4

What volume of a 0.540 M NaOH solution contains 13.5 g of NaOH?

Accepted Answer

A) 0.182 L 
B) 0.625 L 
C) 1.60 L 
D) 5.49 L 
A) 0.182 L 
B) 0.625 L 
C) 1.60 L 
D) 5.49 L

Question 5

How many grams of BaCl2 are formed when 35.00 mL of 0.00237 M Ba(OH)2 reacts with excess Cl2 gas? 2 Ba(OH)2(aq)+ 2 Cl2(g)→ Ba(OCl)2(aq)+ BaCl2(s)+ 2 H2O(l)

Accepted Answer

A) 0.00864 g 
B) 0.0173 g 
C) 0.0346 g 
D) 0.0829 g 
A) 0.00864 g 
B) 0.0173 g 
C) 0.0346 g 
D) 0.0829 g

Question 6

What is the concentration of HCl in the final solution when 65 mL of a 6.0 M HCl solution is diluted with pure water to a total volume of 0.15 L?

Accepted Answer

A) 1.4 × 10-2 M 
B) 2.6 M 
C) 14 M 
D) 2.6 × 103 M 
A) 1.4 × 10-2 M 
B) 2.6 M 
C) 14 M 
D) 2.6 × 103 M

Question 7

By analogy with the oxoacids of sulfur,H2TeO3 would be named

Accepted Answer

A) hydrotellurous acid. 
B) pertelluric acid. 
C) telluric acid. 
D) tellurous acid. 
A) hydrotellurous acid. 
B) pertelluric acid. 
C) telluric acid. 
D) tellurous acid.

Question 8

An aqueous solution of H Cl is named

Accepted Answer

A) hydrochloric acid. 
B) hydrochlorous acid. 
C) chloric acid. 
D) chlorous acid. 
A) hydrochloric acid. 
B) hydrochlorous acid. 
C) chloric acid. 
D) chlorous acid.

Question 9

What is the concentration of an AlBr3 solution if 150.mL of the solution contains 250.mg of Br- ion?

Accepted Answer

A) 6.95 × 10-3 M 
B) 2.08 × 10-2 M 
C) 1.67 M 
D) 6.23 × 10-3 M 
A) 6.95 × 10-3 M 
B) 2.08 × 10-2 M 
C) 1.67 M 
D) 6.23 × 10-3 M

Question 10

What are the two products of the reaction H3PO4(aq)+ 3 KOH(aq)→ ?

Accepted Answer

Question 11

Which one of the following compounds behaves as an acid when dissolved in water?

Accepted Answer

A) CH3OCH3 
B) CH4 
C) H2SO3 
D) KOH 
A) CH3OCH3 
B) CH4 
C) H2SO3 
D) KOH

Question 12

Which pair of compounds is soluble in water?

Accepted Answer

A) Hg2Br2 and Hg2I2 
B) CuS and Na2S 
C) LiI and Ca(NO3)2 
D) K NO3 and CaCO3 
A) Hg2Br2 and Hg2I2 
B) CuS and Na2S 
C) LiI and Ca(NO3)2 
D) K NO3 and CaCO3

Question 13

How many milliliters of a 6.0 M HNO3 solution are needed to make 0.25 L of a 3.5 M HNO3 solution?

Accepted Answer

A) 686 mL 
B) 428 mL 
C) 146 mL 
D) 119 mL 
A) 686 mL 
B) 428 mL 
C) 146 mL 
D) 119 mL

Question 14

What is the oxidation number change for the iron atom in the following reaction? 2 Fe2O3(s)+ 3 C(s)→ 4 Fe(s)+ 3 CO2(g)

Accepted Answer

A) -6 
B) -3 
C) +3 
D) +6 
A) -6 
B) -3 
C) +3 
D) +6

Question 15

Which one of the following compounds behaves as an acid when dissolved in water?

Accepted Answer

A) SrO 
B) C3H8 
C) HCl 
D) LiOH 
A) SrO 
B) C3H8 
C) HCl 
D) LiOH

Question 16

What is the oxidation number of the sulfur atom in S8?

Accepted Answer

A) -2 
B) 0 
C) +6 
D) +8 
A) -2 
B) 0 
C) +6 
D) +8

Question 17

Which one of the following compounds is insoluble in water?

Accepted Answer

A) Na2SO4 
B) KNO3 
C) Ba SO4 
D) Li2CO3 
A) Na2SO4 
B) KNO3 
C) Ba SO4 
D) Li2CO3

Question 18

Glucose,C6H1206,can be represented by the molecular model shown below.If 1.00 mol of glucose is submitted to combustion analysis,how many moles of CO2 and how many moles of H2O would be formed?

Accepted Answer

A) 1.00 mol CO2 and 2.00 mol H2O 
B) 6.00 mol CO2 and 6.00 mol H2O 
C) 6.00 mol CO2 and 12.0 mol H2O 
D) 12.0 mol CO2 and 12.0 mol H2O 
A) 1.00 mol CO2 and 2.00 mol H2O 
B) 6.00 mol CO2 and 6.00 mol H2O 
C) 6.00 mol CO2 and 12.0 mol H2O 
D) 12.0 mol CO2 and 12.0 mol H2O

Question 19

Using the following portion of the activity series for oxidation half-reactions,determine which combination of reactants will result in a reaction. Li(s)→ Al3+(aq)+ e-
Cr(s)→ Al3+(aq)+ 3e-

Accepted Answer

A) Li(s)with Al(s) 
B) Li(s)with Al3+(aq) 
C) Li+(aq)with Al3+(aq) 
D) Li+(aq)with Al(s) 
A) Li(s)with Al(s) 
B) Li(s)with Al3+(aq) 
C) Li+(aq)with Al3+(aq) 
D) Li+(aq)with Al(s)

Question 20

The oxidation number of hydrogen in CaH2 is ________.

Accepted Answer

Exam 4: Reactions in Aqueous Solutions

When dissolved in water,of HClO4, NH3,KOH,HI,and CH3OH which are acids?

Three different substances,A2X,A2Y,and A2Z,were dissolved in water with the following results.(Water molecules are omitted for clarity. )Which of the substances is the strongest electrolyte,and which is the weakest?

Write a balanced net ionic equation for the reaction of AgNO3(aq)with Cu(s).

What volume of a 0.540 M NaOH solution contains 13.5 g of NaOH?

How many grams of BaCl2 are formed when 35.00 mL of 0.00237 M Ba(OH)2 reacts with excess Cl2 gas? 2 Ba(OH)2(aq)+ 2 Cl2(g)→ Ba(OCl)2(aq)+ BaCl2(s)+ 2 H2O(l)

What is the concentration of HCl in the final solution when 65 mL of a 6.0 M HCl solution is diluted with pure water to a total volume of 0.15 L?

By analogy with the oxoacids of sulfur,H2TeO3 would be named

An aqueous solution of H Cl is named

What is the concentration of an AlBr3 solution if 150.mL of the solution contains 250.mg of Br- ion?

What are the two products of the reaction H3PO4(aq)+ 3 KOH(aq)→ ?

Which one of the following compounds behaves as an acid when dissolved in water?

Which pair of compounds is soluble in water?

How many milliliters of a 6.0 M HNO3 solution are needed to make 0.25 L of a 3.5 M HNO3 solution?

What is the oxidation number change for the iron atom in the following reaction? 2 Fe2O3(s)+ 3 C(s)→ 4 Fe(s)+ 3 CO2(g)

Which one of the following compounds behaves as an acid when dissolved in water?

What is the oxidation number of the sulfur atom in S8?

Which one of the following compounds is insoluble in water?

Glucose,C6H1206,can be represented by the molecular model shown below.If 1.00 mol of glucose is submitted to combustion analysis,how many moles of CO2 and how many moles of H2O would be formed?

Using the following portion of the activity series for oxidation half-reactions,determine which combination of reactants will result in a reaction. Li(s)→ Al3+(aq)+ e- Cr(s)→ Al3+(aq)+ 3e-

The oxidation number of hydrogen in CaH2 is ________.

Chemical Tools: Experimentation and Measurement

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Thermochemistry: Chemical Energy

Gases: Their Properties and Behavior

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Aqueous Equilibria: Acids and Bases

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Filters

When dissolved in water,of HClO_4, NH₃,KOH,HI,and CH₃OH which are acids?

Three different substances,A₂X,A₂Y,and A₂Z,were dissolved in water with the following results.(Water molecules are omitted for clarity. )Which of the substances is the strongest electrolyte,and which is the weakest?

Write a balanced net ionic equation for the reaction of AgNO₃(aq)with Cu(s).

How many grams of BaCl₂ are formed when 35.00 mL of 0.00237 M Ba(OH)₂ reacts with excess Cl₂ gas? 2 Ba(OH)₂(aq)+ 2 Cl₂(g)→ Ba(OCl)₂(aq)+ BaCl₂(s)+ 2 H₂O(l)

By analogy with the oxoacids of sulfur,H₂TeO₃ would be named

An aqueous solution of HCl is named

What is the concentration of an AlBr₃ solution if 150.mL of the solution contains 250.mg of Br^- ion?

What are the two products of the reaction H₃PO₄(aq)+ 3 KOH(aq)→ ?

How many milliliters of a 6.0 M HNO₃ solution are needed to make 0.25 L of a 3.5 M HNO₃solution?

What is the oxidation number change for the iron atom in the following reaction? 2 Fe₂O₃(s)+ 3 C(s)→ 4 Fe(s)+ 3 CO₂(g)

What is the oxidation number of the sulfur atom in S₈?

Glucose,C₆H₁₂0₆,can be represented by the molecular model shown below.If 1.00 mol of glucose is submitted to combustion analysis,how many moles of CO₂ and how many moles of H₂O would be formed?

Using the following portion of the activity series for oxidation half-reactions,determine which combination of reactants will result in a reaction. Li(s)→ Al³⁺(aq)+ e^- Cr(s)→ Al³⁺(aq)+ 3e^-

The oxidation number of hydrogen in CaH₂ is ________.