Asked by B
Which acid-base chemical reaction is irreversible?(1 point)
Responses
weak acid added to water
weak acid added to water
weak base added to water
weak base added to water
water on its own
water on its own
strong acid added to water
Responses
weak acid added to water
weak acid added to water
weak base added to water
weak base added to water
water on its own
water on its own
strong acid added to water
Answers
Answered by
B
Hydrochloric acid is a strong acid. Acetic acid is a weak acid. Which statement about hydrochloric acid and acetic acid is correct?(1 point)
Responses
The dissociation constant for hydrochloric acid is greater than the dissociation constant for acetic acid.
The dissociation constant for hydrochloric acid is greater than the dissociation constant for acetic acid.
If the initial concentration of each acid is the same, then acetic acid will produce more H3O+ ions than hydrochloric acid.
If the initial concentration of each acid is the same, then acetic acid will produce more H 3 O + ions than hydrochloric acid.
The pH of a solution of hydrochloric acid must be less than the pH of a solution of acetic acid.
The pH of a solution of hydrochloric acid must be less than the pH of a solution of acetic acid.
A solution of hydrochloric acid at equilibrium will have a greater concentration of solute than a solution of acetic acid at equilibrium.
Responses
The dissociation constant for hydrochloric acid is greater than the dissociation constant for acetic acid.
The dissociation constant for hydrochloric acid is greater than the dissociation constant for acetic acid.
If the initial concentration of each acid is the same, then acetic acid will produce more H3O+ ions than hydrochloric acid.
If the initial concentration of each acid is the same, then acetic acid will produce more H 3 O + ions than hydrochloric acid.
The pH of a solution of hydrochloric acid must be less than the pH of a solution of acetic acid.
The pH of a solution of hydrochloric acid must be less than the pH of a solution of acetic acid.
A solution of hydrochloric acid at equilibrium will have a greater concentration of solute than a solution of acetic acid at equilibrium.
Answered by
B
Use the information in the table to answer the question.
Acid pH of Solution
HA 5.6
HB 3.9
HC 4.7
Which list shows the acidic solutions in order from least conductive of electricity to most conductive?
(1 point)
Responses
HA, HB, HC
HA, HB, HC
HC, HB, HA
HC, HB, HA
HA, HC, HB
HA, HC, HB
HB, HC, HA
Acid pH of Solution
HA 5.6
HB 3.9
HC 4.7
Which list shows the acidic solutions in order from least conductive of electricity to most conductive?
(1 point)
Responses
HA, HB, HC
HA, HB, HC
HC, HB, HA
HC, HB, HA
HA, HC, HB
HA, HC, HB
HB, HC, HA
Answered by
B
Which change would decrease the pH of a base in a solution at equilibrium?(1 point)
Responses
decreasing the concentration of OH– ions
decreasing the concentration of OH – ions
increasing the initial concentration of solute
increasing the initial concentration of solute
decreasing the amount of water added to the solute
decreasing the amount of water added to the solute
increasing the strength of the base
Responses
decreasing the concentration of OH– ions
decreasing the concentration of OH – ions
increasing the initial concentration of solute
increasing the initial concentration of solute
decreasing the amount of water added to the solute
decreasing the amount of water added to the solute
increasing the strength of the base
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