Multiple Choice
An important reaction sequence in the industrial production of nitric acid is the following: N2(g) + 3H2(g) 2NH3(g)
4NH3(g) + 5O2(g) 4NO(g) + 6H2O(l)
Starting from 20.0 mol of nitrogen gas in the first reaction, how many moles of oxygen gas are required in the second one?
A) 12.5 mol O2
B) 20.0 mol O2
C) 25.0 mol O2
D) 50.0 mol O2
E) 100. mol O2
Correct Answer:

Verified
Correct Answer:
Verified
Q19: Balance the following equation: <br>C<sub>8</sub>H<sub>18</sub>O<sub>3</sub>(l) + O<sub>2</sub>(g)
Q20: A single atom of hydrogen has a
Q24: Ammonia will react with fluorine to produce
Q25: The number of hydrogen atoms in 0.050
Q26: Propane, C<sub>3</sub>H<sub>8</sub>, is commonly provided as a
Q27: Tetraphosphorus hexaoxide ( <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5833/.jpg" alt="Tetraphosphorus hexaoxide
Q28: Balance the following equation: <br>Ca<sub>3</sub>(PO<sub>4</sub>)<sub>2</sub>(s) + SiO<sub>2</sub>(s)
Q49: Hydroxylamine nitrate contains 29.17 mass % N,
Q57: Aluminum sulfate, Al<sub>2</sub>(SO<sub>4</sub>)<sub>3</sub>, is used in tanning
Q69: Copper(II) sulfate pentahydrate, CuSO<sub>4</sub>·5H<sub>2</sub>O, is used as