Nitrogen fixation is a difficult process because ________. A) ...

[jCorn1234]

Nitrogen fixation is a difficult process because ________.
 
  A) there is so little nitrogen in the atmosphere
  B) nitrogen exists in the atmosphere primarily as its oxides which are very unreactive
  C) nitrogen is very unreactive, largely due to its triple bond
  D) of the extreme toxicity of nitrogen
  E) of the high polarity of nitrogen molecules preventing them from dissolving in biological fluids, such as those inside cells

Question 2

A compound contains 40.0 C, 6.71 H, and 53.29 O by mass. The molecular weight of the compound is 60.05 amu. The molecular formula of this compound is ________.
 
  A) C2H4O2
  B) CH2O
  C) C2H3O4
  D) C2H2O4
  E) CHO2

[Ksh22]

Answer to Question 1

C

Answer to Question 2

A

[jCorn1234]

Gracias!

[xiazhe]

Thanks for the timely response, appreciate it