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Author Question: Place the following elements in order of decreasing atomic radius. Xe Rb Ar A) Ar > Xe > Rb ... (Read 129 times)

ereecah

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on: Aug 27, 2018
Place the following elements in order of decreasing atomic radius. Xe Rb Ar
 
  A) Ar > Xe > Rb
  B) Xe > Rb > Ar
  C) Ar > Rb > Xe
  D) Rb > Xe > Ar
  E) Rb > Ar > Xe

Question 2

A mixture of N2, O2 and Ar has mole fractions of 0.25, 0.65, and 0.10, respectively. What is the pressure of N2 if the total pressure of the mixture is 3.9 atm?
 
  A) 2.5 atm
  B) 0.39 atm
  C) 0.67 atm
  D) 0.98 atm
  E) 1.33 atm


ms_sulzle

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

D

Answer to Question 2

D


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ereecah

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


ms_sulzle

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


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