Question 1

The insoluble product that forms in a precipitation reaction is called a(n) _____.

Accepted Answer

The answer of The insoluble product that forms in a...

Question 2

Individual cations and anions that are each surrounded by their own shell of water molecules are called _____.

Accepted Answer

The answer of Individual cations and anions that are each...

Question 3

Given: 2C6H5COOH + Na2CO3 $\rightarrow$2C6H5COONa + H2O + CO2 What mass of CO2 is formed when 275 mL of 0.150 M Na2CO3 is mixed with 775 mL of 0.254 M C6H5COOH?

Accepted Answer

A)  2.54 g 
B)  3.63 g 
C)  1.82 g 
D)  6.36 g 
E)  4.52 g 
A)  2.54 g 
B)  3.63 g 
C)  1.82 g 
D)  6.36 g 
E)  4.52 g

Question 4

The logarithm of _____ is 0.

Accepted Answer

A)  1000 × 0.010 
B)  100 × 0.010 
C)  10 × 0.001 
D)  1000 × 0.1 
E)  100 × 0.100 
A)  1000 × 0.010 
B)  100 × 0.010 
C)  10 × 0.001 
D)  1000 × 0.1 
E)  100 × 0.100

Question 5

The exponential form of 0.0001 is _____.

Accepted Answer

The answer of The exponential form of 0.0001 is _____....

Question 6

The full molecular chemical equation shows all the substances present in the form in which they actually exist in the solution.

Accepted Answer

A) True 
 B)False

Question 7

Define Arrhenius acids and bases.

Accepted Answer

An Arrhenius acid is a substance like hy

Question 8

The scrubbers in coal-burning power plants use _____ to trap SO2.

Accepted Answer

A)  NO2 
B)  ZnO 
C)  CaCO3 
D)  CaSO4 
E)  CaO 
A)  NO2 
B)  ZnO 
C)  CaCO3 
D)  CaSO4 
E)  CaO

Question 9

The compound responsible for the brown color of smog is _____.

Accepted Answer

The answer of The compound responsible for the brown color...

Question 10

Given complete ionic equation: 2Ag+(aq) + 2NO3−(aq) + 2K+(aq) + Cr2O72−(aq) $\rightarrow$Ag2Cr2O7(s) + 2K+(aq) + 2NO3−(aq) Convert the given equation into an overall chemical equation.

Accepted Answer

A)  2AgNO3 (aq) + K2Cr2O7 (aq)$\rightarrow$Ag2Cr2O7(s) + 2KNO3(aq) 
B)  Ag2Cr2O7(s) + K2Cr2O7 (aq) $\rightarrow$2AgNO3 (aq) + 2KNO3(aq) 
C)  2AgNO3 (aq) + 2KNO3(aq) $\rightarrow$Ag2Cr2O7(s) + K2Cr2O7(aq) 
D)  2Ag+(aq) + 2NO3−(aq) + 2K+(aq) + Cr2O72−(aq) $\rightarrow$ 2K+(aq) + 2NO3−(aq) 
E)  2Ag+(aq) + Cr2O72−(aq) $\rightarrow$Ag2Cr2O7(s) 
A)  2AgNO3 (aq) + K2Cr2O7 (aq)$\rightarrow$Ag2Cr2O7(s) + 2KNO3(aq) 
B)  Ag2Cr2O7(s) + K2Cr2O7 (aq) $\rightarrow$2AgNO3 (aq) + 2KNO3(aq) 
C)  2AgNO3 (aq) + 2KNO3(aq) $\rightarrow$Ag2Cr2O7(s) + K2Cr2O7(aq) 
D)  2Ag+(aq) + 2NO3−(aq) + 2K+(aq) + Cr2O72−(aq) $\rightarrow$ 2K+(aq) + 2NO3−(aq) 
E)  2Ag+(aq) + Cr2O72−(aq) $\rightarrow$Ag2Cr2O7(s)

Question 11

What is the concentration of OH - in 0.0345 M Ba(OH)2?

Accepted Answer

A)  0.0251 M 
B)  0.0543 M 
C)  0.0345 M 
D)  0.0960 M 
E)  0.0690 M 
A)  0.0251 M 
B)  0.0543 M 
C)  0.0345 M 
D)  0.0960 M 
E)  0.0690 M

Question 12

Polar liquids are good solvents for ionic compounds.

Accepted Answer

A) True 
 B)False

Question 13

CH3CO2H is an example of a polyprotic acid.

Accepted Answer

A) True 
 B)False

Question 14

Why are precipitation reactions called double displacement reactions?

Accepted Answer

Precipitation reactions are a subclass o

Question 15

Given: CH3CH2COOH + H2O $\rightarrow$CH3CH2COO− + H3O+ What volume of 0.500 M CH3CH2COOH is reacting with water to form 2.86 g of CH3CH2COO−?

Accepted Answer

A)  0.487 L 
B)  0.0118 L 
C)  0.0487 L 
D)  0.0784 L 
E)  0.784 L 
A)  0.487 L 
B)  0.0118 L 
C)  0.0487 L 
D)  0.0784 L 
E)  0.784 L

Question 16

Given:   If 885 mL of 0.250 M pentanoic acid(molar mass = 102 g/mol) is mixed with 885 mL of 0.524 M cyclopentanol(molar mass = 86.1 g/mol), the 0.524 M cyclopentanol acts as the limiting agent.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following is a nonelectrolyte?

Accepted Answer

A)  Acetic acid 
B)  Methyl ketone 
C)  Formic acid 
D)  Sodium chloride 
E)  Ammonia 
A)  Acetic acid 
B)  Methyl ketone 
C)  Formic acid 
D)  Sodium chloride 
E)  Ammonia

Question 18

The ions that do not participate in the actual reaction are called _____.

Accepted Answer

The answer of The ions that do not participate in...

Question 19

Which of the following is an example of a strong base?

Accepted Answer

A)  Acetylacetone 
B)  Methylamine 
C)  Ammonia 
D)  Potassium hydroxide 
E)  Methylethyl ketone 
A)  Acetylacetone 
B)  Methylamine 
C)  Ammonia 
D)  Potassium hydroxide 
E)  Methylethyl ketone

Question 20

In the equation given below, cyclopentanol (molar mass = 86.1 g/mol) reacts with pentanoic acid (molar mass = 102 g/mol) to produce cyclopentanoate(molar mass = 170.2 g/mol) and water. The volume of 0.297 M pentanoic acid needed for the complete reaction of 40.0 g cyclopentanol is _____ mL.

Accepted Answer

A)  0.86 × 103 
B)  5.78 × 103 
C)  7.58 × 103 
D)  1.56 × 103 
E)  0.76 × 103 
A)  0.86 × 103 
B)  5.78 × 103 
C)  7.58 × 103 
D)  1.56 × 103 
E)  0.76 × 103

Exam 4: Reactions in Aqueous Solution

The insoluble product that forms in a precipitation reaction is called a(n) _____.

Individual cations and anions that are each surrounded by their own shell of water molecules are called _____.

Given: 2C6H5COOH + Na2CO3 →\rightarrow→ 2C6H5COONa + H2O + CO2 What mass of CO2 is formed when 275 mL of 0.150 M Na2CO3 is mixed with 775 mL of 0.254 M C6H5COOH?

The logarithm of _____ is 0.

The exponential form of 0.0001 is _____.

The full molecular chemical equation shows all the substances present in the form in which they actually exist in the solution.

Define Arrhenius acids and bases.

The scrubbers in coal-burning power plants use _____ to trap SO2.

The compound responsible for the brown color of smog is _____.

Given complete ionic equation: 2Ag+(aq) + 2NO3−(aq) + 2K+(aq) + Cr2O72−(aq) →\rightarrow→ Ag2Cr2O7(s) + 2K+(aq) + 2NO3−(aq) Convert the given equation into an overall chemical equation.

What is the concentration of OH - in 0.0345 M Ba(OH)2?

Polar liquids are good solvents for ionic compounds.

CH3CO2H is an example of a polyprotic acid.

Why are precipitation reactions called double displacement reactions?

Given: CH3CH2COOH + H2O →\rightarrow→ CH3CH2COO− + H3O+ What volume of 0.500 M CH3CH2COOH is reacting with water to form 2.86 g of CH3CH2COO−?

Given: If 885 mL of 0.250 M pentanoic acid(molar mass = 102 g/mol) is mixed with 885 mL of 0.524 M cyclopentanol(molar mass = 86.1 g/mol), the 0.524 M cyclopentanol acts as the limiting agent.

Which of the following is a nonelectrolyte?

The ions that do not participate in the actual reaction are called _____.

Which of the following is an example of a strong base?

In the equation given below, cyclopentanol (molar mass = 86.1 g/mol) reacts with pentanoic acid (molar mass = 102 g/mol) to produce cyclopentanoate(molar mass = 170.2 g/mol) and water. The volume of 0.297 M pentanoic acid needed for the complete reaction of 40.0 g cyclopentanol is _____ mL.

Introduction to Chemistry

Molecules, Ions, and Chemical Formulas

Chemical Reactions

Energy Changes in Chemical Reactions

The Structure of Atoms

The Periodic Table and Periodic Trends

Ionic Versus Covalent Bonding

Molecular Geometry and Covalent Bonding Models

Gases

Liquids

Solids

Solutions

Chemical Kinetics

Chemical Equilibrium

Aqueous Acidbase Equilibriums

Solubility and Complexation Equilibriums

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Periodic Trends and the S-Block Elements

The P-Block Elements

The D-Block Elements

Organic Compounds

Filters

Given: 2C₆H₅COOH + Na₂CO₃ $\rightarrow$ 2C₆H₅COONa + H₂O + CO₂ What mass of CO₂ is formed when 275 mL of 0.150 M Na₂CO₃is mixed with 775 mL of 0.254 M C₆H₅COOH?

The scrubbers in coal-burning power plants use _____ to trap SO₂.

Given complete ionic equation: 2Ag⁺(aq) + 2NO₃⁻(aq) + 2K⁺(aq) + Cr₂O₇²⁻(aq) $\rightarrow$ Ag₂Cr₂O₇(s) + 2K⁺(aq) + 2NO₃⁻(aq) Convert the given equation into an overall chemical equation.

What is the concentration of OH^- in 0.0345 M Ba(OH)₂?

CH₃CO₂H is an example of a polyprotic acid.

Given: CH₃CH₂COOH + H₂O $\rightarrow$ CH₃CH₂COO⁻ + H₃O⁺ What volume of 0.500 M CH₃CH₂COOH is reacting with water to form 2.86 g of CH₃CH₂COO⁻?