Author Question: Place the following elements in order of decreasing atomic radius. Xe Rb Ar A) Ar > Xe > Rb ... (Read 102 times)

ereecah

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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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Answer to Question 1

D

Answer to Question 2

D



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ms_sulzle

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