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Author Question: Knowing that the atomic number of neon is greater than that of helium, at the same temperature and ... (Read 846 times)

Deast7027

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on: Jul 29, 2018
Knowing that the atomic number of neon is greater than that of helium, at the same temperature and pressure, how does the speed of sound in helium gas compare to the speed of sound in neon gas?
 
  A) greater in neon than in helium
  B) greater in helium than in neon
  C) the same in both gases
  D) depends on the frequency of the sound generated

Question 2

Assuming that xenon (atomic number 54) and krypton (atomic number 36) have the same temperature and pressure, in which gaseous medium does sound travel faster?
 
  A) Xenon
  B) Krypton
  C) a mixture of both
  D) the same in both


at

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: B


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