Chemistry I Chapter 12 Quiz: States Of Matter

8 Questions | Total Attempts: 675

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Chemistry I Chapter 12 Quiz: States Of Matter

This quiz covers materials concerning states of matter. This includes Graham's law of effusion, properties of solids, liquids, and gases, and phase diagrams/changes.


Questions and Answers
  • 1. 
    What is the ratio of diffusion rates for nitric oxide (NO) and nitrogen tetroxide (N2O4 )?
    • A. 

      0.326

    • B. 

      0.571

    • C. 

      1.751

    • D. 

      3.066

  • 2. 
    Which is NOT an assumption of the kinetic moleuclar theory?
    • A. 

      Collisions between gas particles are elastic

    • B. 

      All the gas particles in a sample have the same velocity

    • C. 

      A gas particle is not signifcantly attracted or repelled by other gas particles

    • D. 

      All gases at a given temperature have the same average kinetic energy

  • 3. 
    A sealed flask contains neon, argon, and krypton gas. If the total pressure in the flask is 3.872 atm, the partial pressure of Ne, is 0.435 atm, and the partial pressure of Kr is 1.613 atm, what is the partial pressure of Ar?
    • A. 

      2.048 atm

    • B. 

      1.734 atm

    • C. 

      1556 atm

    • D. 

      1318 atm

  • 4. 
    Hydrogen and nitrogen react as shown to form ammonia (NH3). What is true of this reaction?
    • A. 

      3 ammonia molecules are formed, with zero molecules remaining

    • B. 

      2 ammonia molecules are formed, with 2 hydrogen molecules remaining

    • C. 

      6 ammonia molecules are formed, with zero molecules remaining

    • D. 

      2 ammonia molecules are formed , with 2 nitrogen molecules remaining

  • 5. 
    Which does not affect the viscosity of a liquid?
    • A. 

      Intermolecular attractive forces

    • B. 

      Size and shape of molecules

    • C. 

      Temperature of the liquid

    • D. 

      Capillary action

  • 6. 
    Under what conditions is diamond most likely to form?
    • A. 

      Temperatures > 5000 K and pressures < 100 atm

    • B. 

      Temperatures > 6000 K and pressures < 25 atm

    • C. 

      Temperatures < 3500 K and pressures > 10^5 atm

    • D. 

      Temperatures < 4500 K and pressures < 10 atm

  • 7. 
    Find the point on the graph at which carbon exists in 3 phases: solid graphite, solid diamond, and liquid carbon. What are the approximate temperature and pressure at that point?
    • A. 

      4700 K and 10^6 atm

    • B. 

      3000 K and 10^3 atm

    • C. 

      5100 K and 10^5 atm

    • D. 

      3500 K and 80 atm

  • 8. 
    In what form or forms does carbon exist at 6000 K and 105 atm?
    • A. 

      Diamond only

    • B. 

      Liquid carbon only

    • C. 

      Diamond and liquid carbon

    • D. 

      Liquid carbon and graphite