Write a balanced chemical equation for the reaction showing catalytic oxidation of NH3 by atmospheric oxygen.

 


 
Ammonia (NH3) on catalytic oxidation by atmospheric oxygen in presence of Rh/Pt gauge at 500K under pressure of 9 bar producesnitrous oxide.
 
Balanced chemical reaction can be written as
 
4NH3 + 5O2From air 500 K ;  9 barPt/Rh gauge catalyst 4NO + 6H2O