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Author Question: In order to double the average speed of the molecules in a given sample of gas, the temperature ... (Read 59 times)

Cooldude101

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on: Jul 27, 2018
In order to double the average speed of the molecules in a given sample of gas, the temperature (measured in Kelvins) must
 
  A) quadruple.
  B) reduce to one-fourth its original value.
  C) triple.
  D) double.
  E) reduce to one-half its original value.

Question 2

When soup gets cold, it often tastes greasy. This greasy taste seems to be associated with oil spreading out all over the surface of the soup, instead of staying in little globules. This is readily explained in terms of
 
  A) the Bernoulli effect.
  B) the decrease in the surface tension of water with increasing temperature.
  C) Archimedes Principle.
  D) the increase in the surface tension of water with increasing temperature.
  E) Poiseuille's law.


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onowka

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Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

D


Cooldude101

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Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


onowka

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Reply #3 on: Jul 27, 2018
Great! Please up vote :D


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