Lithium and nitrogen react to produce lithium nitride: 6Li(s) + ...

[burton19126]

Lithium and nitrogen react to produce lithium nitride: 6Li(s) + N2(g)  2Li3N(s) How many moles of lithium nitride are produced when 0.450 mol of lithium react in the presence of excess nitrogen?
 
  A) 0.150
  B) 0.900
  C) 0.0750
  D) 1.35
  E) 0.225

Question 2

Phosphate esters are prepared from
 
  A) phosphoric acid + alcohol.
  B) phosphoric acid + ester.
  C) phosphoric acid + carboxylic acid.
  D) phosphate + ester.
  E) phosphate + alcohol.

Question 3

An atom with Z = 35 and A = 80 contains ________ protons, ________ electrons, and ________ neutrons.
 
  A) 35; 35; 80
  B) 80; 35; 35
  C) 35; 35; 45
  D) 45; 80; 45
  E) 45; 80; 35

[Sammyo]

Answer to Question 1

A

Answer to Question 2

A

Answer to Question 3

C

[burton19126]

TY

[Sammyo]

You're welcome