Honors Chemistry Exam Prep 2

21 Questions | Total Attempts: 41

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Chemistry Quizzes & Trivia

Chemistry exam prep


Questions and Answers
  • 1. 
    An ideal gas is a hypothetical gas
    • A. 

      Not made of particles

    • B. 

      That conforms to all of the assumption of the kinetic theory

    • C. 

      Whose particles have zero mass

    • D. 

      Made of motionless particles

  • 2. 
    Which branch of chemistry deals with the mass relationships of elements in compounds and the mass relationships among reactants and products in chemical reactions
    • A. 

      Qualitative analysis

    • B. 

      Entropy

    • C. 

      Chemical kinetics

    • D. 

      Stoichiometry

  • 3. 
    What is the study of the mass relationships among reactants and products in a chemical reaction?
    • A. 

      Reaction stoichiometry

    • B. 

      Composition stoichiometry

    • C. 

      Electron configuration

    • D. 

      Avogadro's principle

  • 4. 
    What is the study of the mass relationships among reactants and products in a chemical reaction
    • A. 

      Reaction stoichiometry

    • B. 

      Composition stoichiometry

    • C. 

      Electron configuration

    • D. 

      Periodic law

  • 5. 
    In what kind of reaction do two or more substances combine to form a new compound?
    • A. 

      Decomposition reaction

    • B. 

      Combustion reaction

    • C. 

      Double-displacement reaction

    • D. 

      Synthesis reaction

  • 6. 
    When the limiting reactant in a chemical reaction is completely used, the
    • A. 

      Excess reactants begin combining

    • B. 

      Reaction slows down

    • C. 

      Reaction speeds up

    • D. 

      Reaction stops

  • 7. 
    What is the measured amount of a product obtained from a chemical reaction?
    • A. 

      Mole ratio

    • B. 

      Percentage yield

    • C. 

      Theoretical yield

    • D. 

      Actual yield

  • 8. 
    Pressure is the force per unit
    • A. 

      Volume

    • B. 

      Surface area

    • C. 

      Length

    • D. 

      Depth

  • 9. 
    What is the SI unit of force
    • A. 

      Torr

    • B. 

      Pascal

    • C. 

      Pound

    • D. 

      Newton

  • 10. 
    If force is held cosntant as surface area decreases, pressure
    • A. 

      Remains constant

    • B. 

      Decreases

    • C. 

      Increases

    • D. 

      Increases or decreases, depending on the volume change

  • 11. 
    What does the constant bombardment of gas molecules against the inside walls of a container produce?
    • A. 

      Temperature

    • B. 

      Density

    • C. 

      Pressure

    • D. 

      Diffusion

  • 12. 
    Which instrument measures atomospheric pressure?
    • A. 

      Barometer

    • B. 

      Manometer

    • C. 

      Vacuum pump

    • D. 

      Torrometer

  • 13. 
    Which insturment measures the pressure of an enclosed gas
    • A. 

      Barometer

    • B. 

      Manometer

    • C. 

      Vacuum pump

    • D. 

      Torrometer

  • 14. 
    Convert the pressure 0.75 atm to mm Hg
    • A. 

      101.325 mm Hg

    • B. 

      430 mm Hg

    • C. 

      570 mm Hg

    • D. 

      760 mm Hg

  • 15. 
    Standard temperature is exactly
    • A. 

      100 C

    • B. 

      273 C

    • C. 

      0 C

    • D. 

      0 K

  • 16. 
    Standard pressure is the pressure exerted by a column of mercury exactly
    • A. 

      273 mm high

    • B. 

      760 mm high

    • C. 

      760 cm high

    • D. 

      1.00 m high

  • 17. 
    Standard pressure is the pressure exerted by a column of mercury exactly
    • A. 

      273 mm high

    • B. 

      760 mm high

    • C. 

      760 cm high

    • D. 

      1.00 m high

  • 18. 
    A sample of oxygen occupies 560. mL when the pressure is 800.00 mm Hg. At constant temperature, what volume does the gas occupy when the pressure decreases to 700.0 mm Hg
    • A. 

      80.0 mL

    • B. 

      490 mL

    • C. 

      600 mL

    • D. 

      640 mL

  • 19. 
    The gas pressure inside a container decreases when
    • A. 

      The number of gas molecules is increased

    • B. 

      The number of gas molecules is decreased

    • C. 

      The temperature is increased

    • D. 

      The number of molecules is increased and the temperature is increased

  • 20. 
    The standard molar volume of a gas at STP is
    • A. 

      22.4 L

    • B. 

      G/22.4 L

    • C. 

      G-mol wt/22.4 L

    • D. 

      1 L

  • 21. 
    The standard molar volume of a gas at STP is
    • A. 

      22.4 L

    • B. 

      G/22.4 L

    • C. 

      G-mol wt/22.4 L

    • D. 

      1 L

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