U7

Question 1

tropospheric natural ozone formation

Answer 1

NO2 + sunlight –> NO + O

then

O + O2 –> O3

Question 2

tropospheric natural breakdown

Answer 2

NO + O3 –> NO2 + O2

Question 3

tropospheric VOC ozone formation

Answer 3

NOx + VOC + sunlight –> O3

Question 4

stratosphere natural ozone formation and breakdown

Answer 4

f: O2 + O –> O3
b: O3 + UV –> O2 + O

Question 5

stratosphere CFC ozone breakdown

Answer 5

CCl3F +UV –> CCl2F + Cl

then

Cl + O3 –> ClO + O2

Question 6

acid rain sulfuric acid formation

Answer 6

2SO2 + O2 –> 2SO3

then

SO3 + H2O –> H2SO4

Question 7

acid rain nitric acid formation

Answer 7

3NO2 + H2O –> 2HNO3 + NO

Question 8

carbon monoxide source and effect

Answer 8

s: stoves, cars, fireplaces
e: headaches, dizziness, death

Question 9

lead source and effect

Answer 9

s: gasoline, paint, soil, air
e: high blood pressure, heart problems, kidney problems, and birth/reproductive complications

Question 10

nitrogen oxides source and effect

Answer 10

s: cars, power plants, industrial boilers, turbines
e: irritation and lung problems

Question 11

PM source and effect

Answer 11

s: dust, pollen, ash, sea salt, volcanoes, plants, construction
e: respiratory issues

Question 12

sulfur dioxides source and effect

Answer 12

s: car exhaust and power plants
e: respiratory issues, deforestation

Question 13

carbon dioxide source and effect

Answer 13

s: combustion, industrial things/cities
e: global warming

Question 14

formaldehyde source and effect

Answer 14

s: combustion, burning, furniture, stuffing
e: irritation, worsen respiratory problems

Question 15

VOCs source and effect

Answer 15

s: vehicle exhaust, plants, anything that has a smell basically
e: respiratory issues

Question 16

CFCs source and effect

Answer 16

s: refrigerators, aerosol cans, air conditioning
e: ozone depletion, skin cancer

Question 17

Radon source and effect

Answer 17

s: mostly in soil, but everywhere
e: lung damage and cancer

Question 18

Asbestos source and effect

Answer 18

s: vinyl flooring, paints, insulation
e: asbestosis, mesothelioma, lung cancer