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Author Question: Which of the following properties of gases distinguish them from liquidsthat is, are unique to the ... (Read 77 times)

jenna1

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on: Jul 16, 2018
Which of the following properties of gases distinguish them from liquidsthat is, are unique to the gaseous phase of matter?
 
  1. Gases fill the available space.
  2. Gases exhibit viscosity.
  3. Gases exert pressure.
  4. Gases are readily compressed.
  a. 2, 3, and 4 only
  b. 1 and 3 only
  c. 2 and 4 only
  d. 1 and 4 only

Question 2

What is the term for the ratio of the amount of water vapor in a volume of gas compared to the amount of the water in gas saturated at a normal body temperature of 37 C?
 
  a. Percent body humidity (BH)
  b. Relative humidity (RH)
  c. Absolute humidity
  d. Water vapor pressure


chreslie

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Reply #1 on: Jul 16, 2018
Answer to Question 1

ANS: D
Unlike liquids, gases are readily compressed and expanded and fill the spaces available to them by diffusion.

Answer to Question 2

ANS: A
The BH of a gas is the ratio of its actual water vapor content to the water vapor capacity in saturated gas at body temperature (37 C). Thus, BH is the same as RH, except that the capac-ity (or denominator) is fixed at 43.8 mg/L.


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