Carefully examine the following reaction sequence for the catalytic formation of ozone, O3, from molecular oxygen, O2. Which chemical compound is behaving as the catalyst? O2 + 2 NO ? 2 NO2 2 NO2 ? 2 NO + 2 O 2 O + 2 O2 ? 2 O3
A. nitrogen dioxide, NO2
B. oxygen, O2
C. atomic oxygen, O
D. nitrogen monoxide, NO
Answer: D
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Which of the following chemical pollutants can cause harmful algal blooms?
A) Caffeine B) Methyl mercury C) Fertilizer D) Polycyclic aromatic hydrocarbons E) Prescription drugs
While many of the world's people are familiar with common products, symbols, and events, there is as of yet no "global culture."
Indicate whether this statement is true or false.
During the afternoon, the greatest temperature difference between the surface air and the air a meter or so above occurs on a ____ day
A) sunny, calm B) sunny, windy C) cloudy, calm D) cloudy, windy
The dry adiabatic rate is the rate at which ____
A) an air parcel rises B) temperature changes in a rising or descending parcel of unsaturated air C) volume changes when a parcel expands or is compressed D) latent heat energy is released in a rising air parcel