Air and atm Flashcards
1
Q
source of CO
A
incomplete combustion of C containing fuels
2
Q
effects of CO
A
- —> CO forms carboxyhaemoglobin
- —> prevents red blood cells from transporting O2
3
Q
source of SO2
A
- —> combustion of fossils fuels in motor vehicles, power stations and factories
- —> volcanic eruptions
4
Q
effects of SO2
A
- —> eye lung irritation
- —> breathing difficulties
- —> acid rain
5
Q
source of NO2/NO
A
—-> exhaust from internal combustion engines (cars, vehicles)
6
Q
effects of SO2
A
—-> eye,lung infection
—-> breathing difficulties
NO2: Acid rain
7
Q
SO2 reactions to form acid rain
A
SO2 + H2O —-> H2SO3
2H2SO3 + O2 —-> 2H2SO4
8
Q
NO2 rxn to form acid rain
A
2NO + O2 —-> 2NO2
4NO2 + 2H2O + O2 —-> 4HNO3
9
Q
acid rain effects
A
- —> corrode metals and buildings
- —> lower pH lakes, aquatic plants and animals cannot survive
- —> leaches nutrients from soil, plants die
10
Q
Catalytic converter rxn
A
2CO + O2 —-> 2CO2
2NO + 2CO —-> N2 + 2CO2
11
Q
composition of gases
A
N2: 78%
O2: 21%
CO2: 0.03%
noble gas: 0.97%
12
Q
photosynthesis equation
A
6CO2 + 6H2O —-> C6 H12 O6 + 6O2
13
Q
respiration equation
A
C6 H12 O6 + 6O2 —-> 6CO2 + 6H2O + energy
