This reaction is reversible and the formation of the sulfur trioxide is exothermic.
From the en.wikipedia.org
For example, sulfur trioxide is not produced quantitatively in combustion of sulfur.
From the en.wikipedia.org
The sulfur trioxide then coats the barium oxide trap, so it can no longer do its job.
From the sciencedaily.com
Treating the mice with arsenic trioxide slowed or stopped tumor growth.
From the sciencedaily.com
Tungsten trioxide can form intercalation compounds with alkali metals.
From the en.wikipedia.org
Like ATRA, arsenic trioxide does not work with other subtypes of AML.
From the en.wikipedia.org
Sulfonation of benzene involves the use of oleum, a mixture of sulfuric acid with sulfur trioxide.
From the en.wikipedia.org
By night, however, there should be no stopping nitrogen trioxide.
From the economist.com
Arsenic trioxide is used to treat acute promyelocytic leukemia.
From the forbes.com
More examples
An oxide containing three atoms of oxygen in the molecule
An oxide is a chemical compound containing at least one oxygen atom as well as at least one other element. Most of the Earth's crust consists of oxides. Oxides result when elements are oxidized by oxygen in air. ...