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AP Chemistry Final ExamReview Questions
Copper has two natural isotopes:copper-63 (62.9296u) is 69.17% of copper. What is the other isotope?
• A) copper-64
• B) copper-65
• C) copper-66
• D) copper-67Answer: B
Copper has two natural isotopes:copper-63 (62.9296u) is 69.17% of copper. What is the other isotope?
• A) copper-64
• B) copper-65
• C) copper-66
• D) copper-67
Copper has two natural isotopes:copper-63 (62.9296u) is 69.17% of copper. What is the other isotope?
• A) copper-64
• B) copper-65
• C) copper-66
• D) copper-67
For the reaction2A + 5B → D + 3E
If 1.0 mole of each reactant is mixed, what is the limiting reagent?
• A) A
• B) B
• C) D
• D) DAnswer: B
For the reaction2A + 5B → D + 3E
If 5.0 moles of B completely reacts and there is a 70% yield, how much
E is actually produced?
• A) 3.0 mole
• B) 5.0 mole
• C) 2.1 mole
• D) 3.5 moleAnswer: C
For the reaction2A + 5B → D + 3E
If 5.0 moles of B completely reacts and there is a 70% yield, how much
E is actually produced?
• A) 3.0 mole
• B) 5.0 mole
• C) 2.1 mole
• D) 3.5 mole
For the reaction2A + 5B → D + 3E
If 3.0 mole A is mixed with 4.0 mole B what is the maximum
amount of E that can be produced?
• A) 2.0 mole
• B) 2.4 mole
• C) 3.0 mole
• D) 7.0 moleAnswer: B
For the reaction2A + 5B → D + 3E
If 3.0 mole A is mixed with 4.0 mole B what is the maximum
amount of E that can be produced?
• A) 2.0 mole
• B) 2.4 mole
• C) 3.0 mole
• D) 7.0 mole
Which of the following contains the most number of moles of ions?
• A) 1L of 0.1M NaOH• B) 1L of 0.1M Na2SO4
• C) 2L of 0.1M KCl• D) 2L of 0.1M K2SO3
Answer: D
Which of the following contains the most number of moles of ions?
• A) 1L of 0.1M NaOH• B) 1L of 0.1M Na2SO4
• C) 2L of 0.1M KCl• D) 2L of 0.1M K2SO3
What is the oxidizing agent in the reaction of permanganate with
hydrogen peroxide?
• A) permanganate
• B) hydrogen peroxide
• C) manganese(II)
• D) oxygenAnswer: A
What is the oxidizing agent in the reaction of permanganate with
hydrogen peroxide?
• A) permanganate
• B) hydrogen peroxide
• C) manganese(II)
• D) oxygen
What mass of copper(II) sulfate pentahydrate (249.6 g/mol) is
needed to make 300.mL of a 0.20M solution?
• A) 0.60 g
• B) 249.6 g
• C) 15 g
• D) 50. gAnswer: C
If 50.g of water at 10°C is added to 25g of water at 60°C. What is the
final temperature?
• A) 20°C
• B) 23°C
• C) 25°C
• D) 27°CAnswer: D
If 50.g of water at 10°C is added to 25g of water at 60°C. What
is the final temperature?
• A) 20°C
• B) 23°C
• C) 25°C
• D) 27°C
Use the following to find the enthalpy of formation for B2H6.
• A) -5061 kJ
• B) 995 kJ
• C) -995 kJ
• D) -4031 kJAnswer: D
Use the following to find the enthalpy of formation for B2H6.
• A) -5061 kJ
• B) 995 kJ
• C) -995 kJ
• D) -4031 kJAnswer: D
Which of the following electron transitions would release the least energy from a hydrogen
atom?
• A) n=4 to n=3
• B) n=3 to n=2
• C) n=2 to n=1
• D) n=2 to n=3Answer: A
Which of the following electron transitions would release the least energy from a hydrogen
atom?
• A) n=4 to n=3
• B) n=3 to n=2
• C) n=2 to n=1
• D) n=2 to n=3
What are possible quantum numbers (n, l, ml ) for a
4f orbital?
• A) 4, 1, 0
• B) 4, 2, 1
• C) 4, 3, 0
• D) 4, 3, 4Answer: C
