Question 1

Match between columns
                        Premises: CHS1U1B13S1U1B0COOH 
HNOS1U1B13S1U1B0(aq) + NaOH(aq) → NaNOS1U1B13S1U1B0(aq) + HS1U1B12S1U1B0O(l) 
NHS1U1B13S1U1B0 
HS1U1B13S1U1B0OS1U1P1+S1S1P0 
OHS1U1P1- S1S1P0
Ti→ TiS1U1P12+S1S1P0 + 2eS1U1P1- S1S1P0
CHS1U1B13S1U1B0NHS1U1B12S1U1B0 
AgCl 
HS1U1B12S1U1B0SOS1U1B14 S1U1B0
AgS1U1P1+S1S1P0(aq) + ClS1U1P1-S1S1P0(aq) → AgCl(s)

Accepted Answer

The Answer of  insoluble salt  and  hydroxide is...

Question 2

Which compounds will not dissolve in water in large amounts at 20$\circ$C?

Accepted Answer

A)  I & II 
B)  I & IV 
C)  II & III 
D)  III & IV 
A)  I & II 
B)  I & IV 
C)  II & III 
D)  III & IV

Question 3

Write the net ionic equation for the reaction given.

Accepted Answer

The answer of Write the net ionic equation for the...

Question 4

How many moles of ions are in 285 mL of 0.0150 M MgCl2?

Accepted Answer

A)  4.128 × 10-3 mol 
B)  5.26 × 10-2 mol 
C)  1.28 × 10-2 mol 
D)  1.05 × 10-1 mol 
E)  5.26 × 10-1 mol 
A)  4.128 × 10-3 mol 
B)  5.26 × 10-2 mol 
C)  1.28 × 10-2 mol 
D)  1.05 × 10-1 mol 
E)  5.26 × 10-1 mol

Question 5

What is oxidized in the reaction below?

Accepted Answer

A)  CO 
B)  CO2 
C)  I2 
D)  I2O5 
E)  CO and CO2 
A)  CO 
B)  CO2 
C)  I2 
D)  I2O5 
E)  CO and CO2

Question 6

A neutralization reaction involves the reaction of a(n) _____________ with a(n) _____________.

Accepted Answer

The answer of A neutralization reaction involves the reaction of...

Question 7

How many moles of NaOH are present in 25.0 mL of a 0.1000 M NaOH solution?

Accepted Answer

A)  100 mol 
B)  2.50 × 10-3 mol 
C)  0.100 mol 
D)  2.50 mol 
E)  25.0 mol 
A)  100 mol 
B)  2.50 × 10-3 mol 
C)  0.100 mol 
D)  2.50 mol 
E)  25.0 mol

Question 8

A 25.0 mL solution of HNO3 is reacted with 0.1125 M NaOH. The endpoint is reached when 57.8 mL of NaOH has been added. What is the molarity of HNO3?

Accepted Answer

Question 9

Which of the following represents oxidation?

Accepted Answer

A)  2 H+ + 2 e- H2 
B)  F2 + 2 e- 2 F- 
C)  Mg2+ + 2 e- Mg 
D)  Na Na+ + e- 
E)  Ni2+ + 2 e- Ni 
A)  2 H+ + 2 e- H2 
B)  F2 + 2 e- 2 F- 
C)  Mg2+ + 2 e- Mg 
D)  Na Na+ + e- 
E)  Ni2+ + 2 e- Ni

Question 10

Which statement about the reaction below is true, given large amounts of reactants?

Accepted Answer

A)  Ba(NO3)2 is insoluble in water and will precipitate. 
B)  K2CO3 is insoluble in water and will precipitate. 
C)  BaCO3 is insoluble in water and will precipitate. 
D)  Both BaCO3 and KNO3 are insoluble in water and will precipitate. 
E)  All compounds in the reaction are soluble in water and no reaction occurs. 
A)  Ba(NO3)2 is insoluble in water and will precipitate. 
B)  K2CO3 is insoluble in water and will precipitate. 
C)  BaCO3 is insoluble in water and will precipitate. 
D)  Both BaCO3 and KNO3 are insoluble in water and will precipitate. 
E)  All compounds in the reaction are soluble in water and no reaction occurs.

Question 11

What is the oxidation number of O in H2O2?

Accepted Answer

A)  -2 
B)  -1 
C)  0 
D)  +1 
E)  +2 
A)  -2 
B)  -1 
C)  0 
D)  +1 
E)  +2

Question 12

What is the correct formula for the hydronium ion?

Accepted Answer

A)  OH- 
B)  H3O+ 
C)  H+ 
D)  H- 
E)  NH4+ 
A)  OH- 
B)  H3O+ 
C)  H+ 
D)  H- 
E)  NH4+

Question 13

Which of the following factors cause exchange reactions to occur?

Accepted Answer

A)  formation of a gas, precipitate or water 
B)  formation of a gas or a precipitate 
C)  formation of a gas only 
D)  formation of a precipitate only 
E)  formation of water only 
A)  formation of a gas, precipitate or water 
B)  formation of a gas or a precipitate 
C)  formation of a gas only 
D)  formation of a precipitate only 
E)  formation of water only

Question 14

Molarity is a unit of solution concentration expressed in moles per _____________.

Accepted Answer

The answer of Molarity is a unit of solution concentration...

Question 15

A solution is prepared by dissolving 20.0 g of NaI in enough water to make 300.0 mL of solution. How many moles of ions are in 25.0 mL of this solution?

Accepted Answer

A)  0.0111 mol 
B)  0.0222 mol 
C)  0.0445 mol 
D)  0.111 mol 
E)  0.445 mol 
A)  0.0111 mol 
B)  0.0222 mol 
C)  0.0445 mol 
D)  0.111 mol 
E)  0.445 mol

Question 16

Which compound will dissolve in water in large amounts?

Accepted Answer

A)  AgCl 
B)  Al(OH)3 
C)  Na2SO4 
D)  BaSO4 
E)  MgS 
A)  AgCl 
B)  Al(OH)3 
C)  Na2SO4 
D)  BaSO4 
E)  MgS

Question 17

What is the reducing agent in the reaction below?

Accepted Answer

A)  Zn 
B)  Cu2+ 
C)  CuSO4 
D)  Zn2+ 
E)  SO42- 
A)  Zn 
B)  Cu2+ 
C)  CuSO4 
D)  Zn2+ 
E)  SO42-

Question 18

A solution is made by dissolving 15.0 g of CaCl2 in enough water to make exactly 500.0 mL of solution. What is the molarity of the solution?

Accepted Answer

Question 19

What is the correct formula for the hydroxide ion?

Accepted Answer

A)  H3O+ 
B)  OH- 
C)  NH4+ 
D)  H+ 
E)  H- 
A)  H3O+ 
B)  OH- 
C)  NH4+ 
D)  H+ 
E)  H-

Question 20

A 25.00 mL sample of HCl solution is neutralized by exactly 31.22 mL of 0.08152 M Ca(OH)2. What is the molarity of the HCl solution?

Accepted Answer

A)  0.08152 M 
B)  0.1018 M 
C)  0.2036 M 
D)  0.1021 M 
E)  0.09453 M 
A)  0.08152 M 
B)  0.1018 M 
C)  0.2036 M 
D)  0.1021 M 
E)  0.09453 M

Which compounds will not dissolve in water in large amounts at 20^$\circ$C? $Which compounds will not dissolve in water in large amounts at 20<sup> \circ </sup>C?$

Write the net ionic equation for the reaction given.

How many moles of ions are in 285 mL of 0.0150 M MgCl₂?

What is oxidized in the reaction below?

A neutralization reaction involves the reaction of a(n) _ with a(n) _.

How many moles of NaOH are present in 25.0 mL of a 0.1000 M NaOH solution?

A 25.0 mL solution of HNO₃ is reacted with 0.1125 M NaOH. The endpoint is reached when 57.8 mL of NaOH has been added. What is the molarity of HNO₃?

Which of the following represents oxidation?

Which statement about the reaction below is true, given large amounts of reactants?

What is the oxidation number of O in H₂O₂?

What is the correct formula for the hydronium ion?

Which of the following factors cause exchange reactions to occur?

Molarity is a unit of solution concentration expressed in moles per _____________.

A solution is prepared by dissolving 20.0 g of NaI in enough water to make 300.0 mL of solution. How many moles of ions are in 25.0 mL of this solution?

Which compound will dissolve in water in large amounts?

What is the reducing agent in the reaction below?

A solution is made by dissolving 15.0 g of CaCl₂ in enough water to make exactly 500.0 mL of solution. What is the molarity of the solution?

What is the correct formula for the hydroxide ion?

A 25.00 mL sample of HCl solution is neutralized by exactly 31.22 mL of 0.08152 M Ca(OH)₂. What is the molarity of the HCl solution?

The Nature of Chemistry

Atoms and Elements

Chemical Compounds

Quantities of Reactants and Products

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

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Exam 5: Chemical Reactions

Which compounds will not dissolve in water in large amounts at 20 ∘\circ∘ C?

Write the net ionic equation for the reaction given.

How many moles of ions are in 285 mL of 0.0150 M MgCl2?

What is oxidized in the reaction below?

A neutralization reaction involves the reaction of a(n) _____________ with a(n) _____________.

How many moles of NaOH are present in 25.0 mL of a 0.1000 M NaOH solution?

A 25.0 mL solution of HNO3 is reacted with 0.1125 M NaOH. The endpoint is reached when 57.8 mL of NaOH has been added. What is the molarity of HNO3?

Which of the following represents oxidation?

Which statement about the reaction below is true, given large amounts of reactants?

What is the oxidation number of O in H2O2?

What is the correct formula for the hydronium ion?

Which of the following factors cause exchange reactions to occur?

Molarity is a unit of solution concentration expressed in moles per _____________.

A solution is prepared by dissolving 20.0 g of NaI in enough water to make 300.0 mL of solution. How many moles of ions are in 25.0 mL of this solution?

Which compound will dissolve in water in large amounts?

What is the reducing agent in the reaction below?

A solution is made by dissolving 15.0 g of CaCl2 in enough water to make exactly 500.0 mL of solution. What is the molarity of the solution?

What is the correct formula for the hydroxide ion?

A 25.00 mL sample of HCl solution is neutralized by exactly 31.22 mL of 0.08152 M Ca(OH)2. What is the molarity of the HCl solution?

The Nature of Chemistry

Atoms and Elements

Chemical Compounds

Quantities of Reactants and Products

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

Which compounds will not dissolve in water in large amounts at 20^$\circ$C? $Which compounds will not dissolve in water in large amounts at 20<sup> \circ </sup>C?$

How many moles of ions are in 285 mL of 0.0150 M MgCl₂?

A neutralization reaction involves the reaction of a(n) _ with a(n) _.

A 25.0 mL solution of HNO₃ is reacted with 0.1125 M NaOH. The endpoint is reached when 57.8 mL of NaOH has been added. What is the molarity of HNO₃?

What is the oxidation number of O in H₂O₂?

A solution is made by dissolving 15.0 g of CaCl₂ in enough water to make exactly 500.0 mL of solution. What is the molarity of the solution?

A 25.00 mL sample of HCl solution is neutralized by exactly 31.22 mL of 0.08152 M Ca(OH)₂. What is the molarity of the HCl solution?