Tuesday, May 17, 2011

"5.11 recall that in car engines, the temperature reached is high enough to allow nitrogen and oxygen from air to react, forming nitrogen oxides"

Blog Tasks:


a. Write the general equation for the combustion of a fuel
Oxygen+Fuel --> Oxides+water+energy
b. During combustion the nitrogen in air can react to form what gases?
Nitrogen reacts with oxygen forming Nox gases (nitrogen monoxide) (nitrogen dioxide) NO, NO2
c. What condition is necessary for the formation of these gases?
Very High temperatures
d. In what common object is this condition found?
Cars
e. Why is this condition needed for nitrogen to react?
To break the strong triple covalent bonds because nitrogen is a diatomic molecule (Inert) and the triple bond is strong therefore requires high energy (temperature)
f. What are the dangers of the products from this reaction?'
Asthma, Lung diseases, Death, Life expectancy decreases by 9 years

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