Does a redox reaction with a small equilibrium constant (K

28​ ​August​ ​2017 Atmospheric​ C ​ omposition ○ Atmosphere​ ​is​ ​the​ ​gaseous​ ​portion​ ​of​ ​a​ ​planet;​ ​it​ ​is​ ​one​ ​of​ ​the​ ​traditional subdivisions​ ​of​ ​earth’s​ ​ph​ nvironment ■ Made​ ​up​ ​of​ ​mostly​ ​a​ ​mixture​ ​of​ ​gases,​ ​but​ ​also​ ​contains​ ​clouds​ ​and aerosols​ ​(suspended​ ​particles) ■ Gases​ ​in​ ​the​ ​atmosphere​ ​include​ ​78%​ ​nitrogen,​ ​21%​ ​oxygen,​ ​and​ ​less than​ ​1%​ i​ s​ ​c​ ioxide​ nd​ ​oth​ ases ■ The​ ​permanent​ ​gases​ ​of​ ​the​ ​atmosphere​ ​are​ ​nitrogen(78.08), oxygen(20.95),​ ​argon(.093),​ ​neon(.002),​ ​helium,​ ​krypton,​ ​xenon,​ ​and hydrogen ■ The​ ​variable​ ​gases​ ​of​ ​the​ ​atmosphere​ ​are​ ​water​ ​vapor,​ ​carbon​ ​dioxide and​ ​ozone ○ Water​​ apor: ■ Arguably​ ​the​ ​most​ ​important​ ​variable​ ​gas,​ ​certainly​ ​the​ ​most​ ​abundant ■ Absorbs​ ​infrared​ ​radiat​ o​ ​it​ ​is​ ​a​ ​greenhouse​ ​gas ■ It​ ​is​ ​added​ ​and​ ​removed​ ​constantly​ ​from​ ​the​ ​atmosphere​ ​through​ ​the hydrologic(water)​​ ycle ■ Its​ ​concentration​ ​varies​ ​from​ ​nearly​ ​0%​ ​over​ ​deserts​ ​and​ ​polar​ ​regions, to​ ​nearly​ ​4%​ ​ove​ ropics t ○ Aerosols ■ Tiny​ ​liquid​ ​and​ ​solid​ ​particles​ ​that​