Question 1

For the system H3PO4(aq)+ COOH-(aq)   HCOOH(aq)+ H2PO4-(aq)the position of equilibrium lies to the right. What is the strongest base in this reaction?

Accepted Answer

Question 2

The oxide ion can react with the carbon dioxide molecule to produce a carbonate ion, as shown be low.   Which reactant is functioning as the Lewis acid?

Accepted Answer

The answer of The oxide ion can react with the...

Question 3

Which species is the weakest acid?

Accepted Answer

A) HBr 
B) HCl 
C) HF 
D) HI 
E) H2Se 
A) HBr 
B) HCl 
C) HF 
D) HI 
E) H2Se

Question 4

What is the formula for the conjugate acid of the HCO3-(aq)ion?

Accepted Answer

Question 5

Which pair of reactants will yield H2SO4 as one of its products?

Accepted Answer

A) SO2 + OH- 
B) SO3 + OH- 
C) SO2 + H2O 
D) SO42- + OH- 
E) SO3 + H2O 
A) SO2 + OH- 
B) SO3 + OH- 
C) SO2 + H2O 
D) SO42- + OH- 
E) SO3 + H2O

Question 6

Water can be purified by many ways, including by distillation. A student distills water in a lab experiment, in which she is going to work with pH and acid/base properties. She obtains a pH meter, and discovers that her distilled water sample has an acidic pH reading. Knowing that neutral water should be neither acidic nor basic, the student assumes that the pH meter is not calibrated, but after calibrating it again, it reads a similar pH. What could explain the student's observations?

Accepted Answer

The student is doing nothing wrong. Afte

Question 7

In the reaction, HSO4- + CN-   HCN + SO42-, which two species are acids?

Accepted Answer

A) HSO4-, CN- 
B) HSO4-, HCN 
C) CN-, HCN 
D) CN-, SO42- 
E) SO42-, HCN 
A) HSO4-, CN- 
B) HSO4-, HCN 
C) CN-, HCN 
D) CN-, SO42- 
E) SO42-, HCN

Question 8

In the reaction, HClO3 + N2H4   ClO3- + N2H5+, which species are a conjugate acid-base pair?

Accepted Answer

A) HClO3, N2H4 
B) N2H4, ClO3- 
C) HClO3, N2H5+ 
D) N2H4, N2H5+ 
E) ClO3-, N2H5+ 
A) HClO3, N2H4 
B) N2H4, ClO3- 
C) HClO3, N2H5+ 
D) N2H4, N2H5+ 
E) ClO3-, N2H5+

Question 9

Which species is the strongest organic acid?

Accepted Answer

A) CCl3-COOH 
B) CH3-COOH 
C) CH2Cl-COOH 
D) CBr3-COOH 
E) CBrCl2-COOH 
A) CCl3-COOH 
B) CH3-COOH 
C) CH2Cl-COOH 
D) CBr3-COOH 
E) CBrCl2-COOH

Question 10

Which one of the two species, H2S or HBr, is the stronger Brønsted-Lowry acid?

Accepted Answer

Question 11

Given that X is the same atom for each of the following, which is the weakest oxoacid?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 12

NH4Cl(aq)is one of the conjugate bases of Cl-(aq).

Accepted Answer

A) True 
 B)False

Question 13

The step in the sol-gel process that forms oxygen bridges while forming water molecules can be best classified as

Accepted Answer

A) an acid-base reaction. 
B) sintering. 
C) an evaporation process. 
D) annealing. 
E) metallurgy. 
A) an acid-base reaction. 
B) sintering. 
C) an evaporation process. 
D) annealing. 
E) metallurgy.

Question 14

Would a solution of Al(NO3)3 be expected to form an acidic or basic solution in water?

Accepted Answer

Question 15

In the reaction, HClO3(aq)+ N2H4(aq)   ClO3-(aq)+ N2H5+(aq), list the species that are conjugate acid-base pairs.

Accepted Answer

HClO₃ and C

Question 16

Given that X is the same atom for each of the following, which is the strongest oxyacid?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 17

In order to make a ceramic material with uniform composition and high structural integrity, the ________ process is preferred over the traditional heating process, which causes sintering.

Accepted Answer

The answer of In order to make a ceramic material...

Question 18

Explain why the anion HCO3- can be classified as an amphoteric species.

Accepted Answer

The ion HCO₃^-can act as either an acid or

Question 19

Which of the following would form a basic solution when added to water?

Accepted Answer

A) NO2 (g) 
B) K2O (s) 
C) SO3 (g) 
D) H2O (g) 
E) P4O6 (g) 
A) NO2 (g) 
B) K2O (s) 
C) SO3 (g) 
D) H2O (g) 
E) P4O6 (g)

Question 20

What is the formula for the conjugate base of NH3(aq)?

Accepted Answer

Exam 16: Acids and Bases, a Molecular Look

For the system H3PO4(aq)+ COOH-(aq) HCOOH(aq)+ H2PO4-(aq)the position of equilibrium lies to the right. What is the strongest base in this reaction?

The oxide ion can react with the carbon dioxide molecule to produce a carbonate ion, as shown be low. Which reactant is functioning as the Lewis acid?

Which species is the weakest acid?

What is the formula for the conjugate acid of the HCO3-(aq)ion?

Which pair of reactants will yield H2SO4 as one of its products?

In the reaction, HSO4- + CN- HCN + SO42-, which two species are acids?

In the reaction, HClO3 + N2H4 ClO3- + N2H5+, which species are a conjugate acid-base pair?

Which species is the strongest organic acid?

Which one of the two species, H2S or HBr, is the stronger Brønsted-Lowry acid?

Given that X is the same atom for each of the following, which is the weakest oxoacid?

NH4Cl(aq)is one of the conjugate bases of Cl-(aq).

The step in the sol-gel process that forms oxygen bridges while forming water molecules can be best classified as

Would a solution of Al(NO3)3 be expected to form an acidic or basic solution in water?

In the reaction, HClO3(aq)+ N2H4(aq) ClO3-(aq)+ N2H5+(aq), list the species that are conjugate acid-base pairs.

Given that X is the same atom for each of the following, which is the strongest oxyacid?

In order to make a ceramic material with uniform composition and high structural integrity, the ________ process is preferred over the traditional heating process, which causes sintering.

Explain why the anion HCO3- can be classified as an amphoteric species.

Which of the following would form a basic solution when added to water?

What is the formula for the conjugate base of NH3(aq)?

A Very Brief History of Chemistry

Scientific Measurements

Elements, Compounds, and the Periodic Table

The Mole and Stoichiometry

Molecular View of Reactions in Aqueous Solutions

Oxidation-Reduction Reactions

Energy and Chemical Change

The Quantum Mechanical Atom

The Basics of Chemical Bonding

Theories of Bonding and Structure

Properties of Gases

Intermolecular Attractions and the Properties of Liquids and Solids

Mixtures at the Molecular Level: Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria in Aqueous Solutions

Solubility and Simultaneous Equilibria

Thermodynamics

Electrochemistry

Nuclear Reactions and Their Role in Chemistry

Metal Complexes

Organic Compounds, Polymers, and Biochemicals

Filters

For the system H₃PO₄(aq)+ COOH^-(aq) HCOOH(aq)+ H₂PO₄^-(aq)the position of equilibrium lies to the right. What is the strongest base in this reaction?

What is the formula for the conjugate acid of the HCO₃^-(aq)ion?

Which pair of reactants will yield H₂SO₄ as one of its products?

In the reaction, HSO₄^- + CN^- HCN + SO₄^2-, which two species are acids?

In the reaction, HClO₃ + N₂H₄ ClO₃^- + N₂H₅⁺, which species are a conjugate acid-base pair?

Which one of the two species, H₂S or HBr, is the stronger Brønsted-Lowry acid?

NH₄Cl(aq)is one of the conjugate bases of Cl^-(aq).

Would a solution of Al(NO₃)₃ be expected to form an acidic or basic solution in water?

In the reaction, HClO₃(aq)+ N₂H₄(aq) ClO₃^-(aq)+ N₂H₅⁺(aq), list the species that are conjugate acid-base pairs.

Explain why the anion HCO₃^- can be classified as an amphoteric species.

What is the formula for the conjugate base of NH₃(aq)?