Question

The equation 4NH3 + 5O2 --- 4NO + 6H2O, represents the catalytic oxidation of ammonia. If 100 cm3 of ammonia is used , calculate the volume of oxygen required to oxidize the ammonia completely.

Answer 1

Hey buddy, here is your answer.

NH3 O2

4 5

100cm^3 x

Therefore, 4/100 = 5/x

and x = 100×5÷4
Answer would be 125 cm^3
Hoping that it will help you.

Answer 2

ammonia and o2 are in ratio =4:5

so, 4 moles of ammonia requires 5 moles of o2.

4NH3=5o2

NH3=1.25 o2

now,

4NH3=5o2

0.8 NH3= o2

so, reaction becomes

0.8 NH3 + o2 = 0.8 NO + 12 H2O