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Author Question: Which of the assumptions of the kinetic-molecular theory best explains the observation that a ... (Read 41 times)

Mr. Wonderful

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on: Aug 27, 2018
Which of the assumptions of the kinetic-molecular theory best explains the observation that a balloon collapses when exposed to liquid nitrogen (which is much colder than a cold winter day)?
 
  A) Gas molecules move at random with no attractive forces between them.
  B) The velocity of gas molecules is proportional to their Kelvin temperature.
  C) The amount of space occupied by a gas is much greater than the space occupied by the actual gas molecules.
  D) In collisions with the walls of the container or with other molecules, energy is conserved.
  E) Collisions with the walls of the container or with other molecules are elastic.

Question 2

Which of the following cannot have hydrogen bonds?
 
  A) H2O
  B) HCl
  C) HF
  D) CH3NH2
  E) NH3


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amy.lauersdorf90

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

B

Answer to Question 2

B


Mr. Wonderful

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Reply 2 on: Aug 27, 2018
:D TYSM

meow1234

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Reply 3 on: Yesterday
Gracias!

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