Tropospheric Smog

Question 1

what is photochemical smog

Answer 1

it is made of motor combustion fuels

Question 2

what are some pollutants

Answer 2

NOx, Aldehydes, VOCs, PANs, O3

Question 3

what is the oxidation of hydrocarbons

Answer 3

1. H-abstraction
2. O2 addition
3. NO2 addition
4. homolytic bond cleavage
5. H abstraction
6. No addition
7. homolytic bond cleavage

Question 4

How do we control photochemical smog

Answer 4

1. target internal combustion engines (less NOx and CHs, and more complete combustions)
2. Hybrid Cars (full cell tech)
3. Chem Method (spraying radical traps in the atm.)

Question 5

What are VOCs

Answer 5

unburned fuel emissions (unsaturated hydrocarbons)

Question 6

Great Smoky Mountain compounds

Answer 6

pinene, isoprene, limonene

Question 7

Types of internal combustion

Answer 7

1. gasoline (car)
2. diesel (boats, busses, truck)
3. gas + oil (lawnmower, chainsaw, motorbike)

Question 8

4-stroke gas

Answer 8

1. 6-10 carbons
2. medium
3. need a spark plug
4. kinda clean
5. quiet

Question 9

4-stroke diesel

Answer 9

1. 14-18 carbons
2. large
3. no spark plug
4. less clean
5. loud

Question 10

2-stroke (gas+oil)

Answer 10

1. 6-10 carbons
2. small engine
3. spark plug
4. not clean
5. noisy