Physical Science Chapter 18

21 Questions | Total Attempts: 98

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Chapters Of Physical Science Quizzes & Trivia

Physical Science. Yes.


Questions and Answers
  • 1. 
    Increasing temperature increases disorder and entropy.
    • A. 

      True

    • B. 

      False

  • 2. 
    Irreversible processes are always spontaneous and occur on their own without any intervention. 
    • A. 

      True

    • B. 

      False

  • 3. 
    From our current understanding, sometime in the future engineers will design a car that is completely efficient (a car that creates no additional disorder in the universe). 
    • A. 

      True

    • B. 

      False

  • 4. 
    Gravitational potential energy is a more ordered form of energy than electrical potential energy. 
    • A. 

      True

    • B. 

      False

  • 5. 
    A salt shaker and a pepper shaker get knocked off the table and break on the floor. Separating the salt and pepper can be considered an irreversible process. 
    • A. 

      True

    • B. 

      False

  • 6. 
    An ice cube melts in a warm glass of water. This is an example of an ______ process. 
  • 7. 
    Complete conversion of one energy form to another energy form takes place only if the energy converts to a __________ energy form. 
  • 8. 
    The universe is the combination of a(n) _______ plus its _________. 
  • 9. 
    Everything outside what we have defined to be the system. 
  • 10. 
    A process that goes in only one direction; its effects cannot be undone. Most processes that occur in nature are this way. 
  • 11. 
    A process that goes both forward and backward at the same time. 
  • 12. 
    A small piece of the world around which we mentally draw a box and upon which we focus our attention. 
  • 13. 
    A quantitative measure of disorder. It increases as the disorder increases. 
  • 14. 
    Disorder in the universe increases or stays the same any time a process occurs. 
  • 15. 
    Overall disorder remains unchanged in 
    • A. 

      Reversible processes

    • B. 

      Chemical processes

    • C. 

      Mechanical processes

    • D. 

      Irreversible processes

  • 16. 
    If analyzing a fridge in relationship to its surroundings, what would the fridge be considered?
    • A. 

      Entropy

    • B. 

      Surroundings

    • C. 

      System

    • D. 

      Both b and c

  • 17. 
    Which of the following is a reversible process?
    • A. 

      A man diving into a pool

    • B. 

      Water falling down Niagara Falls

    • C. 

      A pendulum swinging in a frictionless environment

    • D. 

      Scrambling eggs

    • E. 

      None of the above

  • 18. 
    Which of the following processes is closest to an ideal reversible process?
    • A. 

      A golf ball falls into med and sticks there

    • B. 

      Water evaporates from a glass sitting on the kitchen table

    • C. 

      A book sliding on a horizontal table comes to rest because of friction

    • D. 

      A ripe peach rots in the Sun

    • E. 

      An ice cube changes shape while floating in a glass of water at 0 degrees C

  • 19. 
    An auto engine cannot convert all of its fuels chemical potential energy into macroscopic kinetic energy because
    • A. 

      Energy would not be conserved

    • B. 

      Energy would be conserved

    • C. 

      Mass would not be conserved

    • D. 

      Disorder would be decreased

  • 20. 
    The Law of Increasing Disorder places limits on the efficiency of energy conversion. Which of the following is allowed?
    • A. 

      100% conversion of ambient temperature thermal energy to kinetic energy

    • B. 

      100% conversion of chemical potential energy to kinetic energy

    • C. 

      100% conversion of sunlight to kinetic energy

    • D. 

      100% conversion of electricity to ambient temperature thermal energy

    • E. 

      100% conversion of ambient temperature thermal energy to chemical potential energy

  • 21. 
    Of the quantities listed, the one associated with the most disorder is
    • A. 

      Chemical potential energy

    • B. 

      Gravitational potential energy

    • C. 

      Macroscopic kinetic energy

    • D. 

      Nuclear potential energy

    • E. 

      Thermal energy in a glass of water

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