Assertion: nitrogen | /r/HasProperty | effected at high temperature
Facets:
value: by lightning
type: OTHER
Source sentences:
text: The uncatalyzed endothermic reaction of oxygen (O 2 ) and nitrogen (N 2 ), which is effected at high temperature (>2000 °C) by lightning has not been developed into a practical commercial synthesis (see Birkeland–Eyde process):