Author Question: Place the following elements in order of decreasing atomic radius. Xe Rb Ar A) Ar > Xe > Rb ... (Read 126 times)

ereecah

  • Hero Member
  • *****
  • Posts: 530
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

  • Sr. Member
  • ****
  • Posts: 320
Answer to Question 1

D

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

ms_sulzle

  • Sr. Member
  • ****
  • Posts: 320

 

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

For a complete list of videos, visit our video library