E2

Question 1

Burning of sulfur and sulfur dioxide

Answer 1

S + O2 –> SO2

2SO2 + O2 –> 2SO3

Question 2

Burning of nitrogen and nitrogen oxide

Answer 2

N2 + O2 –> 2NO

2NO + O2 –> 2 NO2

Question 3

Burning of sulfur oxides with water

Answer 3

SO2 + H2O –> H2SO3

SO3 + H2O –> H2SO4

Question 4

Burning of nitrogen oxides with water

Answer 4

NO + H2O –> HNO2

NO2 + H2O –> HNO3

Question 5

Environmental effects of acid rain

Answer 5

1. Leach Mg2+ from soil, reducing chlorophyll levels, slowing growth of plants
2. Increasing concentration of Al3+ from rocks, binding to roots, hindering plants from taking up water
3. Causes chemical erosion of stones, like limestone (CaCO3)
4. Kills aquatic life. Lakers are dead under 4 pH
5. Leach nutrients from soil

Question 6

Ways to counteract acid rain

Answer 6

Reduce sulfur oxides and nitrogen oxides

Neutralize in lakes with weak bases CaO and Ca(OH)2