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# Con Trails are white streams of tiny ice crystals that flow from jet aircraft flying above 20 thousand feet. The

ice is made from the combustion of jet fuel and oxygen gas.

You will determine how many grams ice is deposited into the atmosphere on a two way jet trip from Seattle to Los Angeles.

Some Assumptions that may or not be useful:

2000 cars in parking lot

Jet Fuel Burn: 5500 LBs/hour

Average flight time from Seattle to Los Angeles: 2.5 hours

1.1 billion cars worldwide 2012

Kerosene jet fuel is 100% - C12H26

1 liter of kerosene = 651 grams

15 gallons per tank in average car

1 liter of gasoline = 702.8 grams

Gasoline is 100.0 % OCTANE C8H18

Oxygen makes up 20.95% of Air going into car's and jet's engine at sea level in THIS area

Temperature of air going into car and jet engine is 35°C

Pressure of air going into car and rocket engine is 1.2 atm

Temperature of air leaving the car's exhaust manifold and rocket engine is 185°C and 2000°C

Pressure of air leaving the jet engine is 11.2 atm

Pressure of air leaving the car engine is 2.2 atm

C12H26 + 19O2 = 12CO2 + 13H2O. 5500 LBs/hour X 5hrs = 27500LBs 1L = 651g,... View the full answer

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