Question 1

Select the classification for the following reaction.
2Ag+(aq) + Zn(s)   →	o→  2Ag(s) + Zn2+(aq)

Accepted Answer

A)  displacement
B)  decomposition
C)  combination
D)  precipitation
E)  acid-base F) B) and D)
G) B) and C)

Question 2

For each of the following species,write down,next to the formula,the oxidation number of the indicated atom.
a.P in H2PO2-
b.S in Na2S2O3
 c.C in CH2O

Accepted Answer

Question 3

Select the classification for the following reaction.
2I-(aq) + Cl2(aq)   →	o→  I2(aq) + 2Cl-(aq)

Accepted Answer

A)  combination
B)  displacement
C)  decomposition
D)  precipitation
E)  acid-base F) B) and D)
G) A) and D)

Question 4

Predict the product(s) for the following reaction.
H2SO4(aq) + KOH(aq)   →	o→

Accepted Answer

A)  K2SO4(aq) + H2O(l) 
B)  K2S(aq) + H2O(l) 
C)  K(s) + H2(g) + SO3(g) 
D)  KSO4(aq) + H2O(l) 
E)  No reaction occurs. F) B) and E)
G) A) and D)

Question 5

Which one of the following substances is a strong acid?

Accepted Answer

A)  HNO3
B)  H2CO3
C)  NH3
D)  CH3COOH
E)  H3PO4F) B) and D)
G) A) and C)

Question 6

Select the classification for the following reaction.
Fe2+(aq) + 2OH-(aq)   →	o→  Fe(OH) 2(s)

Accepted Answer

A)  precipitation
B)  acid-base
C)  redox
D)  decomposition
E)  None of these choices is correct. F) A) and B)
G) All of the above

Question 7

a.You are provided with a 250 mL volumetric flask,deionized water and solid NaOH.How much NaOH should be weighed out in order to make 250.mL of 0.100 M solution?
b.25.0 mL of the 0.100 M aqueous NaOH is titrated against sulfuric acid,H2SO4,according to the equation
2NaOH(aq)+ H2SO4(aq) $\to$ Na2SO4(aq)+ 2H2O(l)
If the volume of sulfuric acid solution required to neutralize the NaOH is 18.62 mL,what is its concentration?

Accepted Answer

The answer of a.You are provided with a 250 mL...

Question 8

Some covalent compounds dissolve in water to produce conducting solutions.

Accepted Answer

A) True 
 B)False

Question 9

Select the correct name and chemical formula for the precipitate that forms when the following reactants are mixed.
CoSO4(aq) + (NH4) 3PO4(aq)   →	o→

Accepted Answer

A)  cobalt(II) phosphate,Co3(PO4) 2
B)  cobalt(III) phosphate,Co3(PO4) 2
C)  cobalt(II) phosphate,CoPO4
D)  cobalt(III) phosphate,CoPO4
E)  ammonium sulfate, (NH4) 2SO4 F) A) and E)
G) B) and C)

Question 10

Calculate the oxidation number of the chlorine in perchloric acid,HClO4,a strong oxidizing agent.

Accepted Answer

A)  -1
B)  +4
C)  +5
D)  +7
E)  None of these is the correct oxidation number.F) A) and E)
G) None of the above

Question 11

Select the classification for the following reaction.
H2CO3(aq)   →	o→  H2O(l) + CO2(g)

Accepted Answer

A)  combination
B)  decomposition
C)  displacement
D)  acid-base
E)  None of these choices is correct. F) A) and B)
G) A) and C)

Question 12

Select the correct set of products for the following reaction.
Ba(OH) 2(aq) + HNO3(aq)   →	o→

Accepted Answer

A)  BaN2(s) + H2O(l) 
B)  Ba(NO3) 2(aq) + H2O(l) 
C)  Ba(s) + H2(g) + NO2(g) 
D)  Ba2O(s) + NO2(g) + H2O(l) 
E)  No reaction occurs. F) D) and E)
G) C) and E)

Question 13

Calculate the oxidation number of iodine in I2.

Accepted Answer

A)  -1
B)  0
C)  +1
D)  +7
E)  None of these is the correct oxidation number.F) A) and C)
G) C) and D)

Question 14

Select the precipitate that forms when aqueous lead(II) nitrate reacts with aqueous sodium sulfate.

Accepted Answer

A)  NaNO3
B)  Na2NO3
C)  PbSO4
D)  Pb2SO4
E)  PbSF) A) and E)
G) A) and B)

Question 15

Predict the product(s) for the following reaction.
BaO(s) + CO2(g)   →	o→

Accepted Answer

A)  Ba(s) + CO3(g) 
B)  BaCO3(s) 
C)  BaO(s) + C(s) 
D)  Ba(s) + CO32-(s) 
E)  No reaction occurs. F) A) and E)
G) B) and E)

Question 16

Select the classification for the following reaction.
NH3(aq) + HNO3(aq)   →	o→  NH4NO3(aq)

Accepted Answer

A)  precipitation
B)  acid-base
C)  redox
D)  decomposition
E)  None of these choices is correct. F) C) and E)
G) A) and B)

Question 17

In an acid-base (neutralization)reaction the equivalence point is the point where the indicator changes color.

Accepted Answer

A) True 
 B)False

Question 18

Select the classification for the following reaction.
BaCl2(aq) + K2SO4(aq)   →	o→  BaSO4(s) + 2KCl(aq)

Accepted Answer

A)  precipitation
B)  acid-base
C)  redox
D)  decomposition
E)  None of these choices is correct. F) B) and D)
G) A) and E)

Question 19

Select the classification for the following reaction.
2Na(s) + 2H2O(l)   →	o→  2NaOH(aq) + H2(g)

Accepted Answer

A)  precipitation
B)  acid-base
C)  redox
D)  combination
E)  None of these choices is correct. F) C) and D)
G) C) and E)

Question 20

Select the classification for the following reaction.
Na2O(s) + H2O(l)   →	o→  2NaOH(aq)

Accepted Answer

A)  combination
B)  decomposition
C)  displacement
D)  acid-base
E)  precipitation F) B) and D)
G) None of the above

Exam 4: Three Major Classes of Chemical Reactions

Select the classification for the following reaction. Fe²⁺(aq) + 2OH^-(aq) $\to$ Fe(OH) ₂(s)

Correct Answer
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Select the classification for the following reaction. H₂CO₃(aq) $\to$ H₂O(l) + CO₂(g)

Correct Answer
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Calculate the oxidation number of iodine in I₂.

Correct Answer
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Calculate the oxidation number of the chlorine in perchloric acid,HClO₄,a strong oxidizing agent.

Correct Answer
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Select the correct set of products for the following reaction. Ba(OH) ₂(aq) + HNO₃(aq) $\to$

Correct Answer
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Predict the product(s) for the following reaction. BaO(s) + CO₂(g) $\to$

Correct Answer
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Predict the product(s) for the following reaction. H₂SO₄(aq) + KOH(aq) $\to$

Correct Answer
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Select the precipitate that forms when aqueous lead(II) nitrate reacts with aqueous sodium sulfate.

Correct Answer
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Select the classification for the following reaction. 2Na(s) + 2H₂O(l) $\to$ 2NaOH(aq) + H₂(g)

Correct Answer
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Select the classification for the following reaction. 2I^-(aq) + Cl₂(aq) $\to$ I₂(aq) + 2Cl^-(aq)

Correct Answer
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Which one of the following substances is a strong acid?

Correct Answer
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Some covalent compounds dissolve in water to produce conducting solutions.

Correct Answer
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Select the classification for the following reaction. Na₂O(s) + H₂O(l) $\to$ 2NaOH(aq)

Correct Answer
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Correct Answer
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Select the classification for the following reaction. BaCl₂(aq) + K₂SO₄(aq) $\to$ BaSO₄(s) + 2KCl(aq)

Correct Answer
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Select the classification for the following reaction. NH₃(aq) + HNO₃(aq) $\to$ NH₄NO₃(aq)

Correct Answer
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In an acid-base (neutralization)reaction the equivalence point is the point where the indicator changes color.

Correct Answer
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Select the classification for the following reaction. 2Ag⁺(aq) + Zn(s) $\to$ 2Ag(s) + Zn²⁺(aq)

Correct Answer
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For each of the following species,write down,next to the formula,the oxidation number of the indicated atom. a.P in H₂PO₂^- b.S in Na₂S₂O₃ c.C in CH₂O

Correct Answer
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Select the correct name and chemical formula for the precipitate that forms when the following reactants are mixed. CoSO₄(aq) + (NH₄) ₃PO₄(aq) $\to$

Correct Answer
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Exam 4: Three Major Classes of Chemical Reactions

Select the classification for the following reaction. Fe2+(aq) + 2OH-(aq) →\to→ Fe(OH) 2(s)

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Select the classification for the following reaction. H2CO3(aq) →\to→ H2O(l) + CO2(g)

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Calculate the oxidation number of iodine in I2.

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Calculate the oxidation number of the chlorine in perchloric acid,HClO4,a strong oxidizing agent.

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Select the correct set of products for the following reaction. Ba(OH) 2(aq) + HNO3(aq) →\to→

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Predict the product(s) for the following reaction. BaO(s) + CO2(g) →\to→

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Predict the product(s) for the following reaction. H2SO4(aq) + KOH(aq) →\to→

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Select the precipitate that forms when aqueous lead(II) nitrate reacts with aqueous sodium sulfate.

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Select the classification for the following reaction. 2Na(s) + 2H2O(l) →\to→ 2NaOH(aq) + H2(g)

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Select the classification for the following reaction. 2I-(aq) + Cl2(aq) →\to→ I2(aq) + 2Cl-(aq)

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Which one of the following substances is a strong acid?

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Some covalent compounds dissolve in water to produce conducting solutions.

Correct AnswerverifiedShow Answer

Select the classification for the following reaction. Na2O(s) + H2O(l) →\to→ 2NaOH(aq)

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Select the classification for the following reaction. BaCl2(aq) + K2SO4(aq) →\to→ BaSO4(s) + 2KCl(aq)

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Select the classification for the following reaction. NH3(aq) + HNO3(aq) →\to→ NH4NO3(aq)

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In an acid-base (neutralization)reaction the equivalence point is the point where the indicator changes color.

Correct AnswerverifiedShow Answer

Select the classification for the following reaction. 2Ag+(aq) + Zn(s) →\to→ 2Ag(s) + Zn2+(aq)

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For each of the following species,write down,next to the formula,the oxidation number of the indicated atom. a.P in H2PO2- b.S in Na2S2O3 c.C in CH2O

Correct AnswerverifiedShow Answer

Select the correct name and chemical formula for the precipitate that forms when the following reactants are mixed. CoSO4(aq) + (NH4) 3PO4(aq) →\to→

Correct AnswerverifiedShow Answer

Select the classification for the following reaction. Fe²⁺(aq) + 2OH^-(aq) $\to$ Fe(OH) ₂(s)

Correct Answer
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Select the classification for the following reaction. H₂CO₃(aq) $\to$ H₂O(l) + CO₂(g)

Correct Answer
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Calculate the oxidation number of iodine in I₂.

Correct Answer
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Calculate the oxidation number of the chlorine in perchloric acid,HClO₄,a strong oxidizing agent.

Correct Answer
verified

Select the correct set of products for the following reaction. Ba(OH) ₂(aq) + HNO₃(aq) $\to$

Correct Answer
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Predict the product(s) for the following reaction. BaO(s) + CO₂(g) $\to$

Correct Answer
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Predict the product(s) for the following reaction. H₂SO₄(aq) + KOH(aq) $\to$

Correct Answer
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Correct Answer
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Select the classification for the following reaction. 2Na(s) + 2H₂O(l) $\to$ 2NaOH(aq) + H₂(g)

Correct Answer
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Select the classification for the following reaction. 2I^-(aq) + Cl₂(aq) $\to$ I₂(aq) + 2Cl^-(aq)

Correct Answer
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Correct Answer
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Correct Answer
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Select the classification for the following reaction. Na₂O(s) + H₂O(l) $\to$ 2NaOH(aq)

Correct Answer
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Correct Answer
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Select the classification for the following reaction. BaCl₂(aq) + K₂SO₄(aq) $\to$ BaSO₄(s) + 2KCl(aq)

Correct Answer
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Select the classification for the following reaction. NH₃(aq) + HNO₃(aq) $\to$ NH₄NO₃(aq)

Correct Answer
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Correct Answer
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Select the classification for the following reaction. 2Ag⁺(aq) + Zn(s) $\to$ 2Ag(s) + Zn²⁺(aq)

Correct Answer
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For each of the following species,write down,next to the formula,the oxidation number of the indicated atom. a.P in H₂PO₂^- b.S in Na₂S₂O₃ c.C in CH₂O

Correct Answer
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Select the correct name and chemical formula for the precipitate that forms when the following reactants are mixed. CoSO₄(aq) + (NH₄) ₃PO₄(aq) $\to$

Correct Answer
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