Assertion: ammonia | /r/CreatedBy | the reaction of nitrogen
Facets:
value: from the methane
type: CAUSE
value: under pressure
type: OTHER
value: under high temperature
type: TEMPORAL
value: from the air and hydrogen gas
type: OTHER
value: commercially
type: MANNER
Source sentences:
text: Ammonia is commercially produced by the reaction of nitrogen from the air and hydrogen gas (from the methane found in natural gas) under high temperature and pressure.