Question 1

Give the formula for the ionic compound that forms between aluminum and oxygen.

Accepted Answer

A)  AlO 
B)  AlO2 
C)  Al2O 
D)  Al2O3 
E)  Al3O2 
A)  AlO 
B)  AlO2 
C)  Al2O 
D)  Al2O3 
E)  Al3O2

Question 2

A combustion reaction produces 49.4 g of CO2. Determine the number of moles of carbon dioxide present.

Accepted Answer

A)  1.78 moles 
B)  1090 moles 
C)  0.891 moles 
D)  0.882 moles 
E)  1.12 moles 
A)  1.78 moles 
B)  1090 moles 
C)  0.891 moles 
D)  0.882 moles 
E)  1.12 moles

Question 3

Which of the following is not a typical property of an ionic compound?

Accepted Answer

A)  has a crystalline structure 
B)  splits along planes of ions when cleaved by an outside force 
C)  contains anions neighboring each other in a crystal lattice 
D)  has a high melting point 
E)  acts as an electrolyte when dissolved in water 
A)  has a crystalline structure 
B)  splits along planes of ions when cleaved by an outside force 
C)  contains anions neighboring each other in a crystal lattice 
D)  has a high melting point 
E)  acts as an electrolyte when dissolved in water

Question 4

A compound is composed of 56.4% phosphorus and the remainder oxygen. Determine the empirical formula of the compound.

Accepted Answer

A)  PO5 
B)  P2O 
C)  P3O2 
D)  P2O3 
E)  P2O5 
A)  PO5 
B)  P2O 
C)  P3O2 
D)  P2O3 
E)  P2O5

Question 5

Which compound is incorrectly named?

Accepted Answer

A)  Fe(OH)3 iron(III) hydroxide 
B)  NH4NO3 ammonium nitrate 
C)  K2Cr2O7 potassium dichromate 
D)  Ba(OH)2 barium hydroxide 
E)  Na2SO4 sodium sulfite 
A)  Fe(OH)3 iron(III) hydroxide 
B)  NH4NO3 ammonium nitrate 
C)  K2Cr2O7 potassium dichromate 
D)  Ba(OH)2 barium hydroxide 
E)  Na2SO4 sodium sulfite

Question 6

Which compound is an alcohol?

Accepted Answer

A)  C6H5OH 
B)  CH4 
C)  CH3NH2 
D)  C2H6 
E)  CH3OCH3 
A)  C6H5OH 
B)  CH4 
C)  CH3NH2 
D)  C2H6 
E)  CH3OCH3

Question 7

Compounds that are composed of carbon and _____________ are hydrocarbons.

Accepted Answer

The answer of Compounds that are composed of carbon and...

Question 8

Find the correct combination of protons and electrons below for the magnesium ion.

Accepted Answer

A)  12 protons and 12 electrons 
B)  12 protons and 14 electrons 
C)  24 protons and 24 electrons 
D)  24 protons and 22 electrons 
E)  None of these 
A)  12 protons and 12 electrons 
B)  12 protons and 14 electrons 
C)  24 protons and 24 electrons 
D)  24 protons and 22 electrons 
E)  None of these

Question 9

Match between columns
                        Premises: COS1U1B13S1U1B0S1U1P12-S1S1P0
ClS1U1P1-S1S1P0
CHS1U1B13S1U1B0CHS1U1B12S1U1B0CHS1U1B12S1U1B0OH
CaS1U1P12+S1S1P0
MgClS1U1B12S1U1B0
SOS1U1B14S1U1B0S1U1P12-S1S1P0
CS1U1B15S1U1B0HS1U1B112S1U1B0
COS1U1B12S1U1B0
CS1U1B16S1U1B0HS1U1B15S1U1B0COOH
POS1U1B14S1U1B0S1U1P13-S1S1P0

Accepted Answer

The Answer of carboxylic acid and sulfate ion and monatomic is...

Question 10

Determine the percent water present in epsom salt, MgSO4·7H2O.

Accepted Answer

A)  7.31% 
B)  9.86% 
C)  13.0% 
D)  87.0% 
E)  51.2% 
A)  7.31% 
B)  9.86% 
C)  13.0% 
D)  87.0% 
E)  51.2%

Question 11

An organic compound contains 60.0% carbon, 4.44% hydrogen and the remainder oxygen. It has a molecular weight of 180. Determine the empirical formula of the compound.

Accepted Answer

A)  C2H2O 
B)  C6H12O6 
C)  C9H8O4 
D)  C10H12O3 
E)  C11H16O 
A)  C2H2O 
B)  C6H12O6 
C)  C9H8O4 
D)  C10H12O3 
E)  C11H16O

Question 12

Which formula name combination is incorrect?

Accepted Answer

A)  SeCl4 and selenium tetrafluoride 
B)  N2O3 and dinitrogen trioxide 
C)  P4O10 and tetraphosphorus decoxide 
D)  AsF5 and arsenic pentafluoride 
E)  SF6 and sulfur heptafluoride 
A)  SeCl4 and selenium tetrafluoride 
B)  N2O3 and dinitrogen trioxide 
C)  P4O10 and tetraphosphorus decoxide 
D)  AsF5 and arsenic pentafluoride 
E)  SF6 and sulfur heptafluoride

Question 13

The molecular formula for copper (II) oxide is _____________.

Accepted Answer

The answer of The molecular formula for copper (II) oxide...

Question 14

Which ionic compound is expected to have the highest melting point?

Accepted Answer

A)  Li3N 
B)  BN 
C)  MgF2 
D)  Na2O 
E)  LiCl 
A)  Li3N 
B)  BN 
C)  MgF2 
D)  Na2O 
E)  LiCl

Question 15

Which compound is incorrectly named?

Accepted Answer

A)  MgO magnesium oxide 
B)  Fe2O3 iron(II) oxide 
C)  CsCl cesium chloride 
D)  K2S potassium sulfide 
E)  Na3N sodium nitride 
A)  MgO magnesium oxide 
B)  Fe2O3 iron(II) oxide 
C)  CsCl cesium chloride 
D)  K2S potassium sulfide 
E)  Na3N sodium nitride

Question 16

Which alkane will have the lowest boiling point?

Accepted Answer

A)  ethane 
B)  propane 
C)  butane 
D)  hexane 
E)  octane 
A)  ethane 
B)  propane 
C)  butane 
D)  hexane 
E)  octane

Question 17

Give the formula for the ionic compound that forms between sodium and oxygen.

Accepted Answer

A)  NaO 
B)  Na2O 
C)  NaO2 
D)  Na2O3 
E)  Na3O2 
A)  NaO 
B)  Na2O 
C)  NaO2 
D)  Na2O3 
E)  Na3O2

Question 18

Compounds that have the same formula but differ in the ____________ of their atoms are called constitutional isomers

Accepted Answer

The answer of Compounds that have the same formula but...

Question 19

Which ion is incorrectly named?

Accepted Answer

A)  K+ potassium ion 
B)  Ni2+ nickel(II) ion 
C)  Cr4+ chromium(IV) ion 
D)  Ba2+ barium ion 
E)  Ca2+ calcium(II) ion 
A)  K+ potassium ion 
B)  Ni2+ nickel(II) ion 
C)  Cr4+ chromium(IV) ion 
D)  Ba2+ barium ion 
E)  Ca2+ calcium(II) ion

Question 20

When 2.34 g of pure iron is allowed to react with an excess of oxygen, 3.35 g of the final compound is produced. Determine the formula of the compound.

Accepted Answer

A)  Fe2O3 
B)  FeO 
C)  FeO2 
D)  FeO3 
E)  FeO4 
A)  Fe2O3 
B)  FeO 
C)  FeO2 
D)  FeO3 
E)  FeO4

Give the formula for the ionic compound that forms between aluminum and oxygen.

A combustion reaction produces 49.4 g of CO₂. Determine the number of moles of carbon dioxide present.

Which of the following is not a typical property of an ionic compound?

A compound is composed of 56.4% phosphorus and the remainder oxygen. Determine the empirical formula of the compound.

Which compound is incorrectly named?

Which compound is an alcohol?

Compounds that are composed of carbon and _____________ are hydrocarbons.

Find the correct combination of protons and electrons below for the magnesium ion.

Determine the percent water present in epsom salt, MgSO₄·7H₂O.

An organic compound contains 60.0% carbon, 4.44% hydrogen and the remainder oxygen. It has a molecular weight of 180. Determine the empirical formula of the compound.

Which formula name combination is incorrect?

The molecular formula for copper (II) oxide is _____________.

Which ionic compound is expected to have the highest melting point?

Which compound is incorrectly named?

Which alkane will have the lowest boiling point?

Give the formula for the ionic compound that forms between sodium and oxygen.

Compounds that have the same formula but differ in the ____________ of their atoms are called constitutional isomers

Which ion is incorrectly named?

When 2.34 g of pure iron is allowed to react with an excess of oxygen, 3.35 g of the final compound is produced. Determine the formula of the compound.

The Nature of Chemistry

Atoms and Elements

Quantities of Reactants and Products

Chemical Reactions

Energy and Chemical Reactions

Electron Configurations and the Periodic Table

Covalent Bonding

Molecular Structure

Gases and the Atmosphere

Liquids, Solids, and Materials

Chemical Kinetics: Rates of Reactions

Chemical Equilibrium

The Chemistry of Solutes and Solutions

Acids and Bases

Additional Aqueous Equilibria

Thermodynamics: Directionality of Chemical Reactions

Electrochemistry and Its Applications

Nuclear Chemistry

Filters

Exam 3: Chemical Compounds

Give the formula for the ionic compound that forms between aluminum and oxygen.

A combustion reaction produces 49.4 g of CO2. Determine the number of moles of carbon dioxide present.

Which of the following is not a typical property of an ionic compound?

A compound is composed of 56.4% phosphorus and the remainder oxygen. Determine the empirical formula of the compound.

Which compound is incorrectly named?

Which compound is an alcohol?

Compounds that are composed of carbon and _____________ are hydrocarbons.

Find the correct combination of protons and electrons below for the magnesium ion.

Determine the percent water present in epsom salt, MgSO4·7H2O.

An organic compound contains 60.0% carbon, 4.44% hydrogen and the remainder oxygen. It has a molecular weight of 180. Determine the empirical formula of the compound.

Which formula name combination is incorrect?

The molecular formula for copper (II) oxide is _____________.

Which ionic compound is expected to have the highest melting point?

Which compound is incorrectly named?

Which alkane will have the lowest boiling point?

Give the formula for the ionic compound that forms between sodium and oxygen.

Compounds that have the same formula but differ in the ____________ of their atoms are called constitutional isomers

Which ion is incorrectly named?

When 2.34 g of pure iron is allowed to react with an excess of oxygen, 3.35 g of the final compound is produced. Determine the formula of the compound.

The Nature of Chemistry

Atoms and Elements

Quantities of Reactants and Products

Chemical Reactions

Energy and Chemical Reactions

Electron Configurations and the Periodic Table

Covalent Bonding

Molecular Structure

Gases and the Atmosphere

Liquids, Solids, and Materials

Chemical Kinetics: Rates of Reactions

Chemical Equilibrium

The Chemistry of Solutes and Solutions

Acids and Bases

Additional Aqueous Equilibria

Thermodynamics: Directionality of Chemical Reactions

Electrochemistry and Its Applications

Nuclear Chemistry

Filters

A combustion reaction produces 49.4 g of CO₂. Determine the number of moles of carbon dioxide present.

Determine the percent water present in epsom salt, MgSO₄·7H₂O.