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Author Question: Which pair of molecules has the strongest dipole-dipole interactions? A) NH3 and CH4 B) NH3 and ... (Read 154 times)

viki

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on: Aug 27, 2018
Which pair of molecules has the strongest dipole-dipole interactions?
 
  A) NH3 and CH4
  B) NH3 and NH3
  C) CH4 and CH4
  D) CO2 and CO2
  E) CO2 and CH4

Question 2

Which process is endothermic?
 
  A) Water condenses on the outside of a cold soda can.
  B) The melted wax hardens after a candle is extinguished.
  C) Water vapor forms ice crystals in the upper atmosphere.
  D) Gasoline spilled on the ground evaporates very quickly.
  E) none of the above


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14vl19

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

B

Answer to Question 2

D


viki

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Reply #2 on: Aug 27, 2018
Thank you!


14vl19

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Reply #3 on: Aug 27, 2018
Always glad to help...


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