NSCI 100 NSCI100 Quiz 5 with Answers (UMUC)

NSCI 100 NSCI100 Quiz 5 with Answers (UMUC)

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NSCI 100 NSCI100 Quiz 5

  1. How do you make a proton out of a hydrogen atom?
  2. What is an acid?
  3. What is a base?
  4. According to the following reaction, which molecule is acting as a base? OH- + NH_4+ ?? H_2O + NH_3
  5. Which of the following statements is not true about a neutralization reaction?
  6. What is the main characteristic of a strong base?
  7. Sodium hydroxide, NaOH, is a strong base, which means that it readily accepts hydrogen ions. What products are formed when sodium hydroxide accepts a hydrogen ion from a water molecule?
  8. Qualitatively, what happens to the hydroxide ion concentration if you decrease the hydronium ion concentration?
  9. Which of the following solutions is the most acidic?
  10. Which of the following statements about oxidation and reduction reactions is true?
  11. Pumice is a volcanic rock that floats. Compared with the density of water, its density is
  12. Which of the following statements about strong and weak acids is not true?
  13. What is the buoyant force acting on a 10-ton ship floating in a fresh-water lake?
  14. If the part of an iceberg that extends above the water were suddenly removed, the
  15. When gas in a container is squeezed to half its volume at constant temperature, the gas pressure
  16. A barometer can be made with water. Compared with a mercury barometer, the column height for a water barometer would be
  17. The overflow spillage of gasoline from a car's full tank on a hot day is evidence that gasoline expands
  18. Water at 4?C will expand when it is slightly
  19. When ice floats in water, a small part of it extends above the surface. Interestingly, the volume of ice that extends above the surface is equal to the volume of the
  20. When a volume of air is compressed, its temperature
  21. When gas in a container is squeezed to half its volume at constant temperature, the gas pressure
  22. Atmospheric pressure is caused by the
  23. As a high-altitude balloon sinks lower and lower into the atmosphere it undergoes a decrease in
  24. A bubble of air released from the bottom of a lake
  25. Water pressure is greatest against the

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