Question 1

The anion of acetic acid HC2H3O2 that buffers an acetic acid solution is _______.

Accepted Answer

A) C2H3O2- 
B) H+ 
C) Cl- 
D) ClO3- 
A) C2H3O2- 
B) H+ 
C) Cl- 
D) ClO3-

Question 2

If the major difference between a brownie recipe and a muffin recipe is buttermilk and baking soda, what must these two do to the muffin mixture?

Accepted Answer

A) Prevent it from rising. 
B) Make it dense. 
C) Make it lighter and airier. 
D) Cause it to be chewier. 
A) Prevent it from rising. 
B) Make it dense. 
C) Make it lighter and airier. 
D) Cause it to be chewier.

Question 3

When sodium hydroxide is combined with animal fat, what type of reaction occurs?

Accepted Answer

A) a neutralization 
B) a saponification 
C) a double displacement 
D) a redox reaction 
A) a neutralization 
B) a saponification 
C) a double displacement 
D) a redox reaction

Question 4

Which of the following are not electrolytes?

Accepted Answer

A) NaI 
B) CaCl2 
C) KBr 
D) NO2 
A) NaI 
B) CaCl2 
C) KBr 
D) NO2

Question 5

NaOH is classified as what kind of compound?

Accepted Answer

A) weak base 
B) strong acid 
C) strong base 
D) weak acid 
A) weak base 
B) strong acid 
C) strong base 
D) weak acid

Question 6

By grinding an ionic substance into a powder, it usually increases the rate at which it can be dissolved in water. What factor has been changed by the grinding process?

Accepted Answer

The answer of By grinding an ionic substance into a...

Question 7

How are molecules described when they contain both a positive and negative end?

Accepted Answer

A) planar 
B) apolar 
C) nonpolar 
D) polar 
A) planar 
B) apolar 
C) nonpolar 
D) polar

Question 8

What does a total ionic equation show?

Accepted Answer

all aqueou

Question 9

If 250 mL of a solution with a 0.5 M is diluted to 850 mL, what is its new molarity?

Accepted Answer

A) 0.50 M 
B) 0.43 M 
C) 0.15 M 
D) 6.25 M 
A) 0.50 M 
B) 0.43 M 
C) 0.15 M 
D) 6.25 M

Question 10

What is the pH of a completely neutral solution?

Accepted Answer

A) 0 
B) 14 
C) 1 
D) 7 
A) 0 
B) 14 
C) 1 
D) 7

Question 11

LiI is not an electrolyte.

Accepted Answer

A) True 
 B)False

Question 12

Of the following acids, which is/are strong?

Accepted Answer

A) HCl 
B) HNO3 
C) Both of the above. 
D) None of the above. 
A) HCl 
B) HNO3 
C) Both of the above. 
D) None of the above.

Question 13

How does water overcome the attractive forces holding a solute particle in a solid?

Accepted Answer

A) by surrounding the solute particles 
B) by isolating the solvent particles 
C) by interspersing with the solvent molecules 
D) by surrounding the solvent particles 
A) by surrounding the solute particles 
B) by isolating the solvent particles 
C) by interspersing with the solvent molecules 
D) by surrounding the solvent particles

Question 14

According to the solubility table, CaCO3 should be __________.

Accepted Answer

A) supersaturatable 
B) soluble 
C) insoluble 
D) molecular 
A) supersaturatable 
B) soluble 
C) insoluble 
D) molecular

Question 15

Of the group, SO2, SO3, and CO, which are non-electrolytes?

Accepted Answer

A) SO2 and SO3 are non-electrolytes. 
B) SO2 and CO are non-electrolytes. 
C) All are non-electrolytes. 
D) All are electrolytes. 
A) SO2 and SO3 are non-electrolytes. 
B) SO2 and CO are non-electrolytes. 
C) All are non-electrolytes. 
D) All are electrolytes.

Question 16

Combining animal fats with NaOH is what type of reaction?

Accepted Answer

A) an addition reaction 
B) a saponification reaction 
C) a neutralization reaction 
D) a sapification reaction 
A) an addition reaction 
B) a saponification reaction 
C) a neutralization reaction 
D) a sapification reaction

Question 17

What are spectator ions?

Accepted Answer

A) ions that are soluble in aqueous solution after a reaction has taken place 
B) ions that are insoluble in solution after a reaction has taken place 
C) ions that precipitate from solution when a reaction takes place 
D) ions that escape from solution after a reaction takes place 
A) ions that are soluble in aqueous solution after a reaction has taken place 
B) ions that are insoluble in solution after a reaction has taken place 
C) ions that precipitate from solution when a reaction takes place 
D) ions that escape from solution after a reaction takes place

Question 18

What is the mathematical formula to determine pH from the hydrogen ion concentration?

Accepted Answer

The answer of What is the mathematical formula to determine...

Question 19

What is a strong electrolyte?

Accepted Answer

a compound that diss

Question 20

What is a buffer?

Accepted Answer

a mixture of a weak

The anion of acetic acid HC₂H₃O₂ that buffers an acetic acid solution is _______.

If the major difference between a brownie recipe and a muffin recipe is buttermilk and baking soda, what must these two do to the muffin mixture?

When sodium hydroxide is combined with animal fat, what type of reaction occurs?

Which of the following are not electrolytes?

NaOH is classified as what kind of compound?

By grinding an ionic substance into a powder, it usually increases the rate at which it can be dissolved in water. What factor has been changed by the grinding process?

How are molecules described when they contain both a positive and negative end?

What does a total ionic equation show?

If 250 mL of a solution with a 0.5 M is diluted to 850 mL, what is its new molarity?

What is the pH of a completely neutral solution?

LiI is not an electrolyte.

Of the following acids, which is/are strong?

How does water overcome the attractive forces holding a solute particle in a solid?

According to the solubility table, CaCO₃ should be __________.

Of the group, SO₂, SO₃, and CO, which are non-electrolytes?

Combining animal fats with NaOH is what type of reaction?

What are spectator ions?

What is the mathematical formula to determine pH from the hydrogen ion concentration?

What is a strong electrolyte?

What is a buffer?

Understanding Our World With Chemistry

Matter: Properties, Changes and Measurements

Understanding Atoms

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Chemistry of Bonding: Structure and Function of Drug Molecules

Aqueous Solutions: Part II

Organic Chemistry and Polymers

Chemistry of Fire and Heat

Chemistry of Explosions

Applications of Chemical Kinetics

Nuclear Chemistry: Energy, Medicine, Weapons, and Terrorism

Chemical Equilibrium

Introduction to Biochemistry

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Exam 6: Aqueous Solutions: Part I

The anion of acetic acid HC2H3O2 that buffers an acetic acid solution is _______.

If the major difference between a brownie recipe and a muffin recipe is buttermilk and baking soda, what must these two do to the muffin mixture?

When sodium hydroxide is combined with animal fat, what type of reaction occurs?

Which of the following are not electrolytes?

NaOH is classified as what kind of compound?

By grinding an ionic substance into a powder, it usually increases the rate at which it can be dissolved in water. What factor has been changed by the grinding process?

How are molecules described when they contain both a positive and negative end?

What does a total ionic equation show?

If 250 mL of a solution with a 0.5 M is diluted to 850 mL, what is its new molarity?

What is the pH of a completely neutral solution?

LiI is not an electrolyte.

Of the following acids, which is/are strong?

How does water overcome the attractive forces holding a solute particle in a solid?

According to the solubility table, CaCO3 should be __________.

Of the group, SO2, SO3, and CO, which are non-electrolytes?

Combining animal fats with NaOH is what type of reaction?

What are spectator ions?

What is the mathematical formula to determine pH from the hydrogen ion concentration?

What is a strong electrolyte?

What is a buffer?

Understanding Our World With Chemistry

Matter: Properties, Changes and Measurements

Understanding Atoms

Bonding and Reactions

Chemistry of Bonding: Structure and Function of Drug Molecules

Aqueous Solutions: Part II

Organic Chemistry and Polymers

Chemistry of Fire and Heat

Chemistry of Explosions

Applications of Chemical Kinetics

Nuclear Chemistry: Energy, Medicine, Weapons, and Terrorism

Chemical Equilibrium

Introduction to Biochemistry

Filters

The anion of acetic acid HC₂H₃O₂ that buffers an acetic acid solution is _______.

According to the solubility table, CaCO₃ should be __________.

Of the group, SO₂, SO₃, and CO, which are non-electrolytes?