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Photochemistry can be dramatically different from “ordinary” chemistry See example below. Cl. Cl. Ar. Ljósefnafræði ; Dæmi / photochemistry example:. Cl. Cl. Ar. Ljósefnafræði ; Dæmi / photochemistry example:. Cl. Cl. Ar. Ljósefnafræði ; Dæmi / photochemistry example:. -. +.
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Photochemistry can be dramatically different from “ordinary” chemistry See example below
Cl Cl Ar Ljósefnafræði ; Dæmi / photochemistry example:
Cl Cl Ar Ljósefnafræði ; Dæmi / photochemistry example: . . .
Cl Cl Ar Ljósefnafræði ; Dæmi / photochemistry example:
- + Cl Ar Ljósefnafræði ; Dæmi / photochemistry example: Cl
Cl Ar Ljósefnafræði ; Dæmi / photochemistry example: Cl
O3 Hvernig er efnafræði ósoneyðingar- innar?/ Ozon depletion? O3 Cl
( ) 20 km ( ) Earth
Heildarloftstyrkur og ósonstyrkur yfir jörðu. / Concentration profiles for air and ozone in the Earth´s atmosphere.
20 km Earth
Gleypni ósons á nær-útfjólubláa litrófssviðinu. Gleypnistuðull er í réttu hlutfalli við gleypni efnisins fyrir fastann efnisstyrk. Absorption cross section of ozone in the near UV spectral region.
20 km Earth
20 km O3 + O -> O2+O2 Earth
Chemistry and spectroscopy of the greenhouse effect/ Global warming effects(?)
Gegnskin og gleypni andrúmsloftsins SÝN ....................................IR............................... ÚF
O=C=O Gleypni Bylgjulengd (mm)
Ultraviolet Visible Near-IR Infrared Far-Infrared Microwave
Organic photochemistry: photoisomerization
Big organic molecules C2H2 ??? : Life(?)
Big organic molecules C2H2 ??? : Life(?)
C2H2 ??? C CH2 C2 Big organic molecules : Life(?)
LASER radiation of C2H2 Ion yield C2H2+ C+ C2+ H+ Magn jóna C2H+ CH+ CH2+ Mw Time of flight
HCCH*: Orka HCCH:
+ + C2 C2 H2 Orka HCCH*:
Orka HCCH*:
C CH2 Orka HCCH*:
Reaction cross section: A + M ??? M1 + M2 ??? A + B C + D
Cross section = s = <d>2p Reaction cross section: A + M ??? M1 + M2 ??? A + B C + D d But ions:
+ + - - - + - + + + F µ 1/r2 But ions: Reaction cross section: A+ + B C + D
+ + - - - + - + + + But Ions: Reaction cross section: A+ + B C + D
+ + But ions: Reaction cross section: A+ + B C + D Collision frequency much larger
Ions: + Collision cross section = s >> <d>2p Reaction cross section: A + M ??? M1 + M2 ??? A + B C + D d