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ChemistryIntroductory / Preparatory ChemistryChemistry An Introduction to General Organic and Biological ChemistryPractice Set 2498
ChemistryIntroductory / Preparatory ChemistryChemistry An Introduction to General Organic and Biological ChemistryPractice Set 2498Acids And Bases And Equilibrium
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- Chemistry in Our LivesChemistry and MeasurementMatter and EnergyAtoms and ElementsNuclear ChemistryIonic and Molecular CompoundsChemical Quantities and ReactionsGasesSolutionsAcids and Bases and EquilibriumIntroduction to Organic Chemistry: HydrocarbonsAlcohols,Thiols,Ethers,Aldehydes,and KetonesCarbohydratesCarboxylic Acids,Esters,Amines,and AmidesLipidsAmino Acids,Proteins,and EnzymesNucleic Acids and Protein SynthesisMetabolic Pathways and Energy Production
Question 1
Free
Multiple Choice
According to the Arrhenius concept,if 
were dissolved in water,it would act as ________ .
Choose correct answer/s
a base
an acid
a source of hydroxide ions
a source of H- ions
a proton acceptor
Check answer
Question 2
Free
Multiple Choice
The name given to an aqueous solution of HBr is ________ .
Choose correct answer/s
hydrogen bromide
hydrobromic acid
bromic acid
bromous acid
hypobromous acid
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Question 3
Free
Multiple Choice
Which one of the following is characteristic of a base?
Choose correct answer/s
produces 
in water
has a sour taste
has a slippery,soapy feel
turns blue litmus red
is insoluble in water
Check answer
Question 4
Free
Multiple Choice
Which one of the following is characteristic of an acid?
Choose correct answer/s
produces 
in water
has a bitter taste
has a slippery,soapy feel
turns litmus blue
is insoluble in water
Check answer
Question 5
Free
Multiple Choice
According to the Brønsted-Lowry definition, ________ .
Choose correct answer/s
an acid is a proton acceptor
a base produces 
ions in aqueous solutions
a base is a proton donor
a base is a proton acceptor
an acid acts as the solvent
Check answer
Question 6
Multiple Choice
Identify the Brønsted-Lowry acid in the following reaction. 
O(l)+ 
(aq)→ 
(aq)+ 
(aq)
Choose correct answer/s
O
OH-
H2CO3
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Question 7
Multiple Choice
The correct formula for sulfuric acid is ________ .
Choose correct answer/s
To unlock the question
Question 8
Multiple Choice
The name of 
is ________ .
Choose correct answer/s
aluminum trihydroxide
monoaluminum trihydroxide
aluminum hydroxide
aluminum(III)hydroxide
aluminum oxygen hydride
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Question 9
Multiple Choice
The conjugate acid of 
O is ________ .
Choose correct answer/s
O
O has no conjugate acid. To unlock the question
Question 10
Multiple Choice
The conjugate base of 
O is ________ .
Choose correct answer/s
O
O has no conjugate base. To unlock the question
Question 11
Multiple Choice
Which of the following is correctly identified?
Choose correct answer/s
,strong acidNaOH,strong base
HCl,weak acid
,strong acidCa 
,weak base
,weak base To unlock the question
Question 12
Multiple Choice
Ammonium hydroxide is a weak base because ________ .
Choose correct answer/s
it forms a dilute solution
it is only slightly soluble in water
is a poor acceptor of protons
it dissociates only slightly in water
it is completely ionized in aqueous solution
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Question 13
Multiple Choice
Which of the following is the strongest acid?
Choose correct answer/s
NaOH
HCl
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Question 14
Multiple Choice
According to LeChâtelier's principle,predict whether adding 
causes the system to shift in the direction of reactants,products,or no change. N 
(aq)+ 
O(l)⇌ N 
(aq)+ 
(aq)
Choose correct answer/s
reactants
products
no change
To unlock the question
Question 15
Multiple Choice
According to LeChâtelier's principle,predict whether adding H2O causes the system to shift in the direction of reactants,products,or no change. N 
(aq)+ 
O(l)⇌ N 
(aq)+ 
(aq)
Choose correct answer/s
reactants
products
no change
To unlock the question
Question 16
Multiple Choice
A chemical reaction has reached equilibrium when ________ .
Choose correct answer/s
the concentrations of reactants and products are equal
all reactants have been converted to products
all products have been removed from the reaction mixture
the catalyst has been used up
the rate of the forward reaction equals the rate of the reverse reaction
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Question 17
Multiple Choice
When a reaction is at equilibrium, ________ .
Choose correct answer/s
all reaction stops
no more reactants are converted to products
the reaction is no longer reversible
the forward and reverse reactions occur at the same rate
the products and reactants have the same energy content
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Question 18
Multiple Choice
Which of the following statements correctly describes the hydronium-hydroxide balance in the given solution?
Choose correct answer/s
In acids,[ 
] is greater than [ 
].
] is greater than [ ].In bases,[ 
] = [ 
].
] = [ ].In neutral solutions,[ 
] = [ 
O].
] = [ O].In bases,[ 
] is greater than [ 
].
] is greater than [ ].In bases,[ 
] is less than [ 
].
] is less than [ ]. To unlock the question
Question 19
Multiple Choice
For 
,the product of [ 
] and [ 
] is ________ .
Choose correct answer/s
1.0 × 
1.0 × 
1.0 × 
1.0
1.0 × 
To unlock the question
Question 20
Multiple Choice
What is the [ 
] in a solution with [ 
] = 1 × 
M?
Choose correct answer/s
1 × 
M
M1 × 
M
M1 × 
M
M1 × 
M
M1 × 
M
M To unlock the question