Nitrogen does not burn in the conventional sense. While it can react with oxygen under extremely high temperatures, this is not a typical combustion reaction.

Here's why:

* Combustion: Usually involves a rapid reaction between a substance and an oxidant (usually oxygen) producing heat and light.

* Nitrogen's Reactivity: Nitrogen is a very stable molecule with a strong triple bond between the nitrogen atoms. This makes it difficult to break apart and react with other substances, even oxygen.

Instead of burning, nitrogen can undergo these reactions:

* High-Temperature Reactions: At extremely high temperatures, like those found in lightning strikes or internal combustion engines, nitrogen can react with oxygen to form nitrogen oxides (NOx).

* Nitrogen Fixation: Certain bacteria can convert atmospheric nitrogen gas into usable forms like ammonia (NH3). This is crucial for life as it is the source of nitrogen used by plants.

Therefore, there is no simple word equation for "burning nitrogen" as it does not behave like typical combustible materials.