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Chemhw5.3

12 Questions
Chemistry Quizzes & Trivia

These questions deal with kinetic molecular theory as well as ideal gases. check it out. REMEMBER: PERIOD# followed by FIRST & LAST NAME you must score at least 70

Questions and Answers
  • 1. 
    Which gas sample at STP has the same total number of molecules as 2.0 liters of CO2 (g) at STP?
    • A. 

      5.0 L of CO2 (g)

    • B. 

      2.0 L of Cl2 (g)

    • C. 

      3.0 L of H2S (g)

    • D. 

      6.0 L of He (g)

  • 2. 
    A gas sample is at STP. Which changes in temperature and pressure will cause this sample to behave more like an ideal gas?
    • A. 

      Decreased temperature and increased pressure

    • B. 

      Decreased temperature and decreased pressure

    • C. 

      Increased temperature and increased pressure

    • D. 

      Increased temperature and decreased pressure

  • 3. 
    • A. 

      100 K and 0.25 atm

    • B. 

      100 K and 25 atm

    • C. 

      400 K and 0.25 atm

    • D. 

      400 K and 25 atm

  • 4. 
    According to the kinetic molecular theory, which statement describes the particles in a sample of an ideal gas?
    • A. 

      The force of attraction between the gas particles is strong.

    • B. 

      The motion of the gas particles is random and straight-line.

    • C. 

      The collisions between the gas particles cannot result in a transfer of energy between the particles.

    • D. 

      The separation between the gas particles is smaller than the size of the gas particles themselves.

  • 5. 
    Under which conditions of temperature and pressure does oxygen gas behave most like an ideal gas?
    • A. 

      Low temperature and low pressure

    • B. 

      Low temperature and high pressure

    • C. 

      High temperature and low pressure

    • D. 

      High temperature and high pressure

  • 6. 
    Under which conditions of temperature and pressure would helium behave most like an ideal gas?
    • A. 

      50K and 20kPa

    • B. 

      50K and 600kPa

    • C. 

      750K and 20kPa

    • D. 

      750K and 600kPa

  • 7. 
    A real gas behaves more like an ideal gas when the gas molecules are
    • A. 

      Close and have strong attractive forces between them

    • B. 

      Close and have weak attractive forces between them

    • C. 

      Far apart and have strong attractive forces between them

    • D. 

      Far apart and have weak attractive forces between them

  • 8. 
    The concept of an ideal gas is used to explain 
    • A. 

      The mass of a gas sample

    • B. 

      The behavior of a gas sample

    • C. 

      Why some gases are monatomic

    • D. 

      Why some gases are diatomic

  • 9. 
    According to the kinetic molecular theory, the particles of an ideal gas
    • A. 

      Have no potential energy

    • B. 

      Have strong intermolecular forces

    • C. 

      Are arranged in a regular, repeated geometric pattern

    • D. 

      Are separated by great distances, compared to their size

  • 10. 
    The kinetic molecular theory assumes that the particles of an ideal gas
    • A. 

      Are in random, constant, straight-line motion

    • B. 

      Are arranged in a regular geometric pattern

    • C. 

      Have strong attractive forces between them

    • D. 

      Have collisions that result in the system losing energy

  • 11. 
    Under which conditions of temperature and pressure would a sample of H2(g) behave most like an ideal gas?
    • A. 

      0°C and 100 kPa

    • B. 

      0°C and 300 kPa

    • C. 

      150°C and 100 kPa

    • D. 

      150°C and 300 kPa

  • 12. 
    A real gas behaves least like an ideal gas under the conditions of
    • A. 

      Low temperature and low pressure

    • B. 

      Low temperature and high pressure

    • C. 

      High temperature and low pressure

    • D. 

      High temperature and high pressure