- Photodissociation, photolysis, photodecomposition, or
photofragmentation is a
chemical reaction in
which molecules of a
chemical compound are
broken down...
- of cyanobacteria, an
ancient line of
photosynthesizing bacteria,
which photolyze water generating oxygen gas.
Ancient cyanobacteria were
ancestral to the...
-
ultraviolet (UV)
radiation by the
ozone layer,
where ozone is
exothermically photolyzed into
oxygen in a
cyclical fashion. This
temperature inversion is in contrast...
- 7-dehydrocholesterol to
vitamin D3
occurs in two steps. First, 7-dehydrocholesterol is
photolyzed by
ultraviolet light in a 6-electron
conrotatory ring-opening electrocyclic...
-
extrusion reaction with a
large free
energy change.
Diazirines and
epoxides photolyze with a
tremendous release in ring
strain to carbenes, the
former to inert...
-
decrease in ozone. This is
particularly important at
night when NO2
cannot photolyze. NO + O3 → NO2 + O2 NO2 + O(1D) → NO + O2 Net: O3 + O(1D) → 2O2 (net loss...
- ozone-poor air out of the
troposphere and into the
stratosphere where the sun
photolyzes oxygen molecules and
turns them into ozone. Then, the ozone-rich air is...
-
begins the ozone-production
process in the
ozone layer.
Oxygen can be
photolyzed into
atomic oxygen by
light with
wavelength less than 240 nm. O2 → 2O...
-
water vapor reaches the stratosphere,
where it is
easily broken down (
photolyzed) by
ultraviolet radiation (UV).
Heating of the
upper atmosphere by UV...
-
oxygen atoms and molecules, and UV radiation: An
oxygen molecule is
split (
photolyzed) by
higher frequency UV
light (top end of UV-B, UV-C and above) into two...
