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Author Question: All of the following solvents are no longer widely used as solvents for nonpolar organic compounds ... (Read 328 times)

imanialler

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  • Posts: 539
on: Aug 27, 2018
All of the following solvents are no longer widely used as solvents for nonpolar organic compounds EXCEPT
 
  A) benzene.
  B) methylene chloride.
  C) supercritical carbon dioxide (scCO2).
  D) perchloroethylene.

Question 2

The charge on the nucleus of a sodium atom is
 
  A) 1+.
  B) 23+.
  C) 11+.
  D) 0.

Question 3

The pH of an aqueous solution is 9.35. What is the pOH? (pH + pOH = 14 for aqueous acid/base systems).
 
  A) 4.65
  B) 0.971
  C) -4.65
  D) 0.668

Question 4

An iron oxide is 72.4 in iron. Its empirical formula is ________.
 
  A) FeO
  B) Fe2O
  C) Fe2O3
  D) Fe3O4


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HandsomeMarc

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

C

Answer to Question 2

C

Answer to Question 3

A

Answer to Question 4

D


imanialler

  • Member
  • Posts: 539
Reply 2 on: Aug 27, 2018
Wow, this really help

miss.ashley

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  • Posts: 371
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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