Question 1

Identify the Brønsted-Lowry acid in the following reaction. 
H2O(l)+   (aq)→   (aq)+   (aq)

Accepted Answer

A)  H2O 
B)    
C)    
D) OH- 
E) H2CO3 
A)  H2O 
B)    
C)    
D) OH- 
E) H2CO3 A

Question 2

HF is a strong acid.

Accepted Answer

A) True 
 B)False  False

Question 3

A chemical reaction has reached equilibrium when ________.

Accepted Answer

A) the concentrations of reactants and products are equal 
B) all reactants have been converted to products 
C) all products have been removed from the reaction mixture 
D) the catalyst has been used up 
E) the rate of the forward reaction equals the rate of the reverse reaction 
A) the concentrations of reactants and products are equal 
B) all reactants have been converted to products 
C) all products have been removed from the reaction mixture 
D) the catalyst has been used up 
E) the rate of the forward reaction equals the rate of the reverse reaction E

Question 4

If the carbon dioxide level in the blood is too high,more carbonic acid is produced,and this results in the condition termed acidosis.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following is the correctly balanced equation for the complete neutralization of  H3PO4  by Ca(OH)2 ?

Accepted Answer

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

Question 6

An acid and base react to form a salt and water in a(n)________ reaction.

Accepted Answer

A) ionization 
B) dissociation 
C) oxidation 
D) neutralization 
E) reduction 
A) ionization 
B) dissociation 
C) oxidation 
D) neutralization 
E) reduction

Question 7

Match between columns
                        Premises: pH = 2
[ 11ea71d0_de56_10d2_91e5_f9e4d804377e_TB6077_11 11ea71d0_de56_37e3_91e5_0f2bbb93c21e_TB6077_11 ] = 1.0 × 11ea71d0_de56_37e4_91e5_9907b3bba0d0_TB6077_11 M
[ 11ea71d0_de56_37e5_91e5_3b8c6bf379ae_TB6077_11 11ea71d0_de56_37e6_91e5_adf13cb8e0fc_TB6077_11 ] = 1 × 11ea71d0_de56_37e7_91e5_e1ea0a6f2f73_TB6077_11 M
pH = 9
base
acid
[ 11ea71d0_de56_10cf_91e5_b7901f8fc36d_TB6077_11 11ea71d0_de56_10d0_91e5_3bd89d36601e_TB6077_11 ] = 1.0 × 11ea71d0_de56_10d1_91e5_a5896a5f6e3e_TB6077_11 M

Accepted Answer

The Answer of less than and equal to and greater is...

Question 8

What is the name of the medical condition of an asthmatic patient with a blood pH of 7.30?

Accepted Answer

A) respiratory acidosis 
B) respiratory alkalosis 
C) metabolic acidosis 
D) metabolic alkalosis 
E) diabetes mellitus 
A) respiratory acidosis 
B) respiratory alkalosis 
C) metabolic acidosis 
D) metabolic alkalosis 
E) diabetes mellitus

Question 9

In any aqueous solution,     = 1.0 × 10-7.

Accepted Answer

A) True 
 B)False

Question 10

When a reaction is at equilibrium,________.

Accepted Answer

A) all reaction stops 
B) no more reactants are converted to products 
C) the reaction is no longer reversible 
D) the forward and reverse reactions occur at the same rate 
E) the products and reactants have the same energy content 
A) all reaction stops 
B) no more reactants are converted to products 
C) the reaction is no longer reversible 
D) the forward and reverse reactions occur at the same rate 
E) the products and reactants have the same energy content

Question 11

According to the Arrhenius concept,if   were dissolved in water,it would act as ________.

Accepted Answer

A) a base 
B) an acid 
C) a source of hydroxide ions 
D) a source of H- ions 
E) a proton acceptor 
A) a base 
B) an acid 
C) a source of hydroxide ions 
D) a source of H- ions 
E) a proton acceptor

Question 12

When hyperventilation (rapid breathing)causes a patient to exhale large amounts of   ,the blood pH rises in a condition called ________.

Accepted Answer

A) metabolic acidosis 
B) metabolic alkalosis 
C) respiratory acidosis 
D) respiratory alkalosis 
E) pulmonary distress 
A) metabolic acidosis 
B) metabolic alkalosis 
C) respiratory acidosis 
D) respiratory alkalosis 
E) pulmonary distress

Question 13

The [ H3O+ ] of a solution with pH = 2.0 is ________.

Accepted Answer

A) 10 M 
B) -10 M 
C) 1 ×   M 
D) 1 ×   M 
E) 1 ×   M 
A) 10 M 
B) -10 M 
C) 1 ×   M 
D) 1 ×   M 
E) 1 ×   M

Question 14

An aqueous solution with   = 1.0 × 10-12 has a pH of 12.0.

Accepted Answer

A) True 
 B)False

Question 15

Alkalosis is the blood condition in which the blood pH is higher than normal.

Accepted Answer

A) True 
 B)False

Question 16

A solution with [   ] of 5 ×   has a pH of ________.

Accepted Answer

A) 2.3 
B) -2.3 
C) 11.7 
D) 7.0 
E) 5.0 
A) 2.3 
B) -2.3 
C) 11.7 
D) 7.0 
E) 5.0

Question 17

Which of the following statements correctly describes the hydronium-hydroxide balance in the given solution?

Accepted Answer

A) In acids,[   ] is greater than [     ]. 
B) In bases,[   ] = [     ]. 
C) In neutral solutions,[     ] = [   O]. 
D) In bases,[   ] is greater than [     ]. 
E) In bases,[   ] is less than [     ]. 
A) In acids,[   ] is greater than [     ]. 
B) In bases,[   ] = [     ]. 
C) In neutral solutions,[     ] = [   O]. 
D) In bases,[   ] is greater than [     ]. 
E) In bases,[   ] is less than [     ].

Question 18

In any aqueous solution,   =   .

Accepted Answer

A) True 
 B)False

Question 19

Match between columns
                        Premises: has a sour taste
pH =9.0
11ea71d0_de55_9b96_91e5_63ebde6be6a3_TB6077_11
has a pH = 4.5
[ 11ea71d0_de55_e9bc_91e5_d575360158c3_TB6077_11 11ea71d0_de55_e9bd_91e5_0d5857e563bf_TB6077_11 ] = 1.0 × 11ea71d0_de55_e9be_91e5_9d908279e706_TB6077_11 M
contains more hydronium ions than hydroxide ions
[ 11ea71d0_de55_9b97_91e5_6d910dcac0ce_TB6077_11 11ea71d0_de55_c2a8_91e5_d1f18392ff63_TB6077_11 ] = 3.4 × 11ea71d0_de55_c2a9_91e5_2325e66902c8_TB6077_11 M
[ 11ea71d0_de55_c2aa_91e5_2302ac22655c_TB6077_11 ]= 2.8 × 11ea71d0_de55_c2ab_91e5_75c18cb93847_TB6077_11 M
11ea71d0_de55_9b95_91e5_89284329244a_TB6077_11 O
turns blue litmus paper red

Accepted Answer

The Answer of base and acid and neutral is...

Question 20

When a system is at equilibrium,all the concentrations are 1 M.

Accepted Answer

A) True 
 B)False

Identify the Brønsted-Lowry acid in the following reaction. H₂O(l)+ (aq)→ (aq)+ (aq)

HF is a strong acid.

A chemical reaction has reached equilibrium when ________.

If the carbon dioxide level in the blood is too high,more carbonic acid is produced,and this results in the condition termed acidosis.

Which of the following is the correctly balanced equation for the complete neutralization of H₃PO₄ by Ca(OH)₂ ?

An acid and base react to form a salt and water in a(n)________ reaction.

What is the name of the medical condition of an asthmatic patient with a blood pH of 7.30?

In any aqueous solution, = 1.0 × 10^-7.

When a reaction is at equilibrium,________.

According to the Arrhenius concept,if were dissolved in water,it would act as ________.

When hyperventilation (rapid breathing)causes a patient to exhale large amounts of ,the blood pH rises in a condition called ________.

The [ H₃O⁺ ] of a solution with pH = 2.0 is ________.

An aqueous solution with = 1.0 × 10^-¹² has a pH of 12.0.

Alkalosis is the blood condition in which the blood pH is higher than normal.

A solution with [ ] of 5 × has a pH of ________.

Which of the following statements correctly describes the hydronium-hydroxide balance in the given solution?

In any aqueous solution, = .

When a system is at equilibrium,all the concentrations are 1 M.

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Exam 10: Acids and Bases and Equilibrium

Identify the Brønsted-Lowry acid in the following reaction. H2O(l)+ (aq)→ (aq)+ (aq)

HF is a strong acid.

A chemical reaction has reached equilibrium when ________.

If the carbon dioxide level in the blood is too high,more carbonic acid is produced,and this results in the condition termed acidosis.

Which of the following is the correctly balanced equation for the complete neutralization of H3PO4 by Ca(OH)2 ?

An acid and base react to form a salt and water in a(n)________ reaction.

What is the name of the medical condition of an asthmatic patient with a blood pH of 7.30?

In any aqueous solution, = 1.0 × 10-7.

When a reaction is at equilibrium,________.

According to the Arrhenius concept,if were dissolved in water,it would act as ________.

When hyperventilation (rapid breathing)causes a patient to exhale large amounts of ,the blood pH rises in a condition called ________.

The [ H3O+ ] of a solution with pH = 2.0 is ________.

An aqueous solution with = 1.0 × 10-12 has a pH of 12.0.

Alkalosis is the blood condition in which the blood pH is higher than normal.

A solution with [ ] of 5 × has a pH of ________.

Which of the following statements correctly describes the hydronium-hydroxide balance in the given solution?

In any aqueous solution, = .

When a system is at equilibrium,all the concentrations are 1 M.

Chemistry in Our Lives

Chemistry and Measurement

Matter and Energy

Atoms and Elements

Nuclear Chemistry

Ionic and Molecular Compounds

Chemical Quantities and Reactions

Gases

Solutions

Introduction to Organic Chemistry: Hydrocarbons

Alcohols, Thiols, Ethers, Aldehydes, and Ketones

Carbohydrates

Carboxylic Acids, Esters, Amines, and Amides

Lipids

Amino Acids, Proteins, and Enzymes

Nucleic Acids and Protein Synthesis

Metabolic Pathways and Energy Production

Filters

Identify the Brønsted-Lowry acid in the following reaction. H₂O(l)+ (aq)→ (aq)+ (aq)

Which of the following is the correctly balanced equation for the complete neutralization of H₃PO₄ by Ca(OH)₂ ?

In any aqueous solution, = 1.0 × 10^-7.

The [ H₃O⁺ ] of a solution with pH = 2.0 is ________.

An aqueous solution with = 1.0 × 10^-¹² has a pH of 12.0.