Final Exam Review (Module 1-5)

Question 1

What is the name of CaO?

Answer 1

calcium oxide.

Question 2

What is the name of Al2O3?

Answer 2

aluminum oxide.

Question 3

What is the name of MgCl2?

Answer 3

magnesium chloride.

Question 4

What is the name of MnO2?

Answer 4

manganese(IV) oxide.

Question 5

What is the chemical formula for nickel(II) sulfide?

Answer 5

NiS

Question 6

What is the chemical formula for zinc chloride?

Answer 6

ZnCl2

Question 7

What is the chemical formula for iron(III) oxide?

Answer 7

Fe2O3

Question 8

What is the correct name for SiCl4?

Answer 8

silicon tetrachloride.

Question 9

What is the correct name for P2O5?

Answer 9

diphosphorus pentoxide.

Question 10

What is the correct name for Cl2O7?

Answer 10

dichlorine heptoxide.

Question 11

What is the name of CO?

Answer 11

carbon monoxide.

Question 12

What is the name of NO2?

Answer 12

nitrogen dioxide.

Question 13

What is the name of PF3?

Answer 13

phosphorus trifluoride.

Question 14

What is the name of CCl4?

Answer 14

carbon tetrachloride.

Question 15

What is the formula for phosphorus pentachloride?

Answer 15

PCl5

Question 16

What is the formula for dinitrogen trioxide?

Answer 16

N2O3

Question 17

What is the formula for sulfur hexafluoride?

Answer 17

SF6

Question 18

Identify SO3 as ionic or covalent and provide its name.

Answer 18

covalent—sulfur trioxide.

Question 19

Identify BaCl2 as ionic or covalent and provide its name.

Answer 19

ionic—barium chloride.

Question 20

Identify (NH4)3PO3 as ionic or covalent and provide its name.

Answer 20

ionic—ammonium phosphite.

Question 21

Identify Cu2CO3 as ionic or covalent and provide its name.

Answer 21

ionic—copper(I) carbonate.

Question 22

Identify N2O4 as ionic or covalent and provide its name.

Answer 22

covalent—dinitrogen tetroxide.

Question 23

What type of bond is K—N?

Answer 23

ionic (I)

Question 24

What type of bond is N—O?

Answer 24

polar covalent (P)

Question 25

What type of bond is Cl—Cl?

Answer 25

nonpolar covalent (NP)

Question 26

What type of bond is H—Cl?

Answer 26

polar covalent (P)

Question 27

What is the shape of PF3?

Answer 27

trigonal pyramidal.

Question 28

What is the shape of H2S?

Answer 28

bent.

Question 29

What is the shape of CCl4?

Answer 29

tetrahedral.

Question 30

What is the main type of attractive forces in NCl3?

Answer 30

dipole-dipole forces.

Question 31

What is the main type of attractive forces in H2O?

Answer 31

hydrogen bonds.

Question 32

What is the main type of attractive forces in Br—Br?

Answer 32

dispersion forces.

Question 33

What is the main type of attractive forces in KCl?

Answer 33

ionic bonds.

Question 34

What is the main type of attractive forces in NH3?

Answer 34

hydrogen bonds.

Question 35

What is the formula for sodium phosphate?

Answer 35

Na3PO4

Question 36

What is the formula for aluminum nitrate?

Answer 36

Al(NO3)3

Question 37

What is the formula for copper(II) nitrate?

Answer 37

Cu(NO3)2

Question 38

What is the formula for iron(III) hydroxide?

Answer 38

Fe(OH)3

Question 39

What is the formula for tin(IV) hydroxide?

Answer 39

Sn(OH)4

Question 40

What is the name of MgSO3?

Answer 40

magnesium sulfite.

Question 41

What is the name of MgSO4?

Answer 41

magnesium sulfate.

Question 42

What is the name of Pb3(PO3)2?

Answer 42

lead(II) phosphite.

Question 43

Identify Sn(s) → Sn4+(aq) + 4e− as oxidation or reduction.

Answer 43

oxidation.

Question 44

Identify Fe3+(aq) + 1e− → Fe2+(aq) as oxidation or reduction.

Answer 44

reduction.

Question 45

Identify Cl2(g) + 2e− → 2Cl−(aq) as oxidation or reduction.

Answer 45

reduction.

Question 46

Which reactant is oxidized in the reaction 2Ag+ + 2Cl− → 2Ag + Cl2?

Answer 46

2Cl−.

Question 47

Which reactant is reduced in the reaction 2Ag+ + 2Cl− → 2Ag + Cl2?

Answer 47

2Ag+.

Question 48

State the number of atoms of P on the reactant side for P4(s) + 6Br2(l) → 4PBr3(g).

Answer 48

4.

Question 49

State the number of atoms of Br on the product side for P4(s) + 6Br2(l) → 4PBr3(g).

Answer 49

18.

Question 50

Balance the equation Fe2O3(s) + C(s) → Fe(s) + CO2(g) and list the coefficients.

Answer 50

2, 3, 4, 3.

Question 51

Balance the equation Al(s) + FeO(s) → Fe(s) + Al2O3(s) and list the coefficients.

Answer 51

2, 3, 3, 1.

Question 52

Balance the equation Al(s) + H2SO4(aq) → Al2(SO4)3(aq) + H2(g) and list the coefficients.

Answer 52

3, 2, 1, 2.

Question 53

What is the balanced chemical equation when solid Fe3O4 reacts with hydrogen gas?

Answer 53

Fe3O4(s) + 4H2(g) → 3Fe(s) + 4H2O(l)

Question 54

Identify the type of reaction: 2Al(s) + 3H2SO4(aq) → Al2(SO4)3(s) + 3H2(g)

Answer 54

Single Replacement

Question 55

Identify the type of reaction: Na2SO4(aq) + 2AgNO3(aq) → Ag2SO4(s) + 2NaNO3(aq)

Answer 55

Double Replacement

Question 56

Identify the type of reaction: 3C(s) + Fe2O3(s) → 2Fe(s) + 3CO(g)

Answer 56

Single Replacement

Question 57

Identify the type of reaction: C2H4(g) + 3O2(g) → 2CO2(g) + 2H2O(g)

Answer 57

Combustion

Question 58

Identify the type of reaction: 3Ba(s) + N2(g) → Ba3N2(s)

Answer 58

Combination

Question 59

Identify the type of reaction: 2Ag(s) + H2S(aq) → Ag2S(s) + H2(g)

Answer 59

Single Replacement

Question 60

Identify the type of reaction: N2(g) + O2(g) → 2NO(g)

Answer 60

Combination

Question 61

Identify the type of reaction: 2C2H6(g) + 7O2(g) → 4CO2(g) + 6H2O(g)

Answer 61

Combustion

Question 62

Identify the type of reaction: PbCl2(aq) + K2SO4(aq) → 2KCl(aq) + PbSO4(s)

Answer 62

Double Replacement

Question 63

Identify the type of reaction: K2CO3(s) → K2O(aq) + CO2(g)

Answer 63

Decomposition

Question 64

Identify whether this reaction is oxidation or reduction: Sn(s) → Sn4+(aq) + 4e−

Answer 64

Oxidation

Question 65

Identify whether this reaction is oxidation or reduction: Fe3+(aq) + 1e− → Fe2+(aq)

Answer 65

Reduction

Question 66

Identify whether this reaction is oxidation or reduction: Cl2(g) + 2e− → 2Cl−(aq)

Answer 66

Reduction

Question 67

In light-sensitive sunglasses, which reactant is oxidized in the reaction 2Ag+ + 2Cl− → 2Ag + Cl2?

Answer 67

2Cl−

Question 68

In light-sensitive sunglasses, which reactant is reduced in the reaction 2Ag+ + 2Cl− → 2Ag + Cl2?

Answer 68

2Ag+

Question 69

Which solute will dissolve in water: Na2SO4, gasoline (nonpolar), I2, HCl?

Answer 69

Na2SO4 and HCl will dissolve; gasoline and I2 will not dissolve

Question 70

Fill in the blank: Water is a _______ solvent that can dissolve ionic and polar substances but not nonpolar solutes.

Answer 70

polar

Question 71

True or False: Gasoline is a polar solute that will dissolve in water.

Answer 71

False