Ozone Layer Decomposition catalyst,

Homogeneous chlorine radical, Cl•

The hole in the ____ is an

environmental issue

that was addressed in

the ______

with the elimination of

____

ozone layer, 1880s and 1890s, chlorofluorocarbons

Ozone Layer Decomposition equation

2 O3 (g) → 3 O2 (g)

Catalytic Converter catalyst

Heterogeneous Pt/Pd metal

_________, undergo

reduction to form ___

Smog and nitrogen oxides (NO, NO2, and NO3), nitrogen

gas (N2)

____undergo oxidation to form ____

Carbon monoxide (CO) and hydrocarbons (CHx), carbon

dioxide (CO2)

The use of ______ significantly

______

Catalytic converters, improved air quality

Catalytic converter eq

NOx (g) + CO (g) + CHx (g) → N2 (g) + CO2 (g) + H2O (g)

The Haber process makes____ from ___. _____ is

added to plants around the world to make enough crops to

feed everyone.

ammonia from N2, Ammonia

The Haber process is _____. You learned from

Le Chatelier that ______ processes shift _____ when the

temperature goes up (thermodynamics).

exothermic, exothermic, left,

But increasing the temperature is also how you make more

ammonia faster (kinetics). So, what is the solution?

• Use a catalyst ____

slightly oxidized iron powder (heterogeneous).