Sunday, May 22, 2011

5.11 I can recall how nitrogen oxides are formed in car engines


a)     Write the general equation for the combustion of a fuel:
Combustion: Fuel + Oxygen (O2) ---> Carbon Dioxide (CO2) + Water (H2O) + Energy

b)    During combustion the nitrogen in air can react to form what gases?
 Nitrogen Monoxide (NO) and Nitrogen Dioxide (NO2)

c)     What condition is necessary for this reaction to take place? 
      High temperatures

d)    In what common object is this condition found? 
      Vehicles

e)     Why is this condition needed for nitrogen to react?
       In order to break the triple bonds of the Nitrogen molecules

f)     What are the dangers of the products from this reaction
     Nitric Acid (HNO3). This can cause acid rain

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