8 NH₃ + 3 SO₄ → 4 N₂ + 3 S + 12 H₂O

This is an oxidation-reduction (redox) reaction:

SO₄ is an oxidizing agent, NH₃ is a reducing agent.

Reactants:

• NH₃
  • Names: Ammonia , Azane (only intended for use in naming derivatives of ammonia) , Hydrogen nitride ... show moreAmmonia (anhydrous) , Azane , NH3 , Trihydrogen nitride , R717 , Refrigerant gas 717 , Anhydrous ammonia , Aqua ammonia , Aqueous ammonia , [Note: Often used in an aqueous solution.] show less
  • Appearance: Colourless gas ; Colourless gas or compressed liquefied gas with pungent odour ; Colorless gas with a pungent, suffocating odor. [Note: Shipped as a liquefied compressed gas. Easily liquefied under pressure.]
• SO₄

Products:

• N₂
  • Names: Dinitrogen , Nitrogen (compressed gas) , Nitrogen (liquified) ... show moreN₂ , Nitrogen gas , N2 , Nitrogen , Diazyne , Liquid nitrogen , Nitrogen (refrigerated liquid) , Nitrogen (cryogenic liquid) show less
  • Appearance: Odourless colourless compressed gas ; Odourless colourless extremely cold liquid
• S
  • Names: Sulfur , S , Sulphur ... show moreElement 16 , Flowers of sulfur , Flour sulfur , Brimstone show less
  • Appearance: Yellow solid in various forms
• H₂O – Water, oxidane
  • Other names: Water (H2O) , Hydrogen hydroxide (HH or HOH) , Hydrogen oxide ... show moreDihydrogen monoxide (DHMO) (systematic name) , Hydrogen monoxide , Dihydrogen oxide , Hydric acid , Hydrohydroxic acid , Hydroxic acid , Hydrol , Μ-oxido dihydrogen , Κ1-hydroxyl hydrogen(0) show less
  • Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas