Question 1

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) A) and B)
G) B) and C)

Question 2

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 3

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) D) and E)
G) B) and C)

Question 4

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 C)
G) A) and D)

Question 5

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) C) and D)

Question 6

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) C) and D)
G) B) and D)

Question 7

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

Accepted Answer

A) True 
 B)False

Question 8

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) C) and D)
G) A) and B)

Question 9

Some covalent compounds dissolve in water to produce conducting solutions.

Accepted Answer

A) True 
 B)False

Question 10

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 D)
G) A) and E)

Question 11

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) C) and D)

Question 12

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) None of the above
G) A) and B)

Question 13

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) A) and D)
G) B) and D)

Question 14

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 15

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 C)
G) C) and D)

Question 16

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) C) and D)
G) A) and B)

Question 17

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 18

Which one of the following substances is a strong acid?

Accepted Answer

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

Question 19

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 D)
G) A) and C)

Question 20

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)

Exam 4: Three Major Classes of Chemical Reactions

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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Which one of the following substances is a strong acid?

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

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. H₂CO₃(aq) $\to$ H₂O(l) + CO₂(g)

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

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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Calculate the oxidation number of iodine in I₂.

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

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. Na₂O(s) + H₂O(l) $\to$ 2NaOH(aq)

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

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

Correct Answer
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Exam 4: Three Major Classes of Chemical Reactions

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

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Which one of the following substances is a strong acid?

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

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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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Some covalent compounds dissolve in water to produce conducting solutions.

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

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

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

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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

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Calculate the oxidation number of iodine in I2.

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

Correct AnswerverifiedShow Answer

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

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. 2I-(aq) + Cl2(aq) →\to→ I2(aq) + 2Cl-(aq)

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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. Na2O(s) + H2O(l) →\to→ 2NaOH(aq)

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

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

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

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

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

Correct Answer
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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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Calculate the oxidation number of iodine in I₂.

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

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. Na₂O(s) + H₂O(l) $\to$ 2NaOH(aq)

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

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

Correct Answer
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