Miscellaneous Flashcards
1
Q
State major sources of nitrogen oxides in the atmosphere, explaining how they are formed.
A
- Car exhausts
- Aeroplanes
- Lightening
- Power stations
- Burning of fossil fuels.
2
Q
Describe the chemical role of Nitrogen oxides in the formation of acid rain.
A
- NO2 + SO2 -> NO +SO3
- NO + 1/2O2 -> NO2
- SO3 + H2O -> H2SO4
- 4NO2 + 2H2O + O2 -> 4HNO3
3
Q
What is Bond energy?
A
It is the energy when 1 mol of bonds is broken in the gas phase.
