(a) A commercial 737 jet transporting 143 passengers and 5 crew members from Kansas City (MCI) to Baltimore (BWI) burned 11,800 lb (about 1700 gallons) of Jet A fuel en route. Jet A fuel is kerosine based, consisting primarily of CnH2n+2 hydrocarbons, with n =6 to 16, so the carbon:hydrogen ratio is close to 1:2. During this flight, how much CO2 was released into the atmosphere? Assume the combustion of the fuel was complete, so all the fuel was burned to form CO2 and H2O. Give both the mass of CO2 produced (in kg and in lbs) and the volume it would occupy at 298 K, 1 atm.(b) How much CO2 would be released into the atmosphere if those passengers and crew made the trip instead, in pairs, in hybrid cars at 40 miles per gallon. Assume the density of the gasoline is 0.75 kg L-1 and that carbon and hydrogen dominate the composition in a ratio of 1:2. The road trip is 1082 miles.
(a) A commercial 737 jet transporting 143 passengers
and 5 crew members from Kansas City (MCI) to Baltimore (BWI) burned 11,800 lb (about 1700 gallons)
of Jet A fuel en route. Jet A fuel is kerosine based,
consisting primarily of CnH2n+2 hydrocarbons, with
n =6 to 16, so the carbon:hydrogen ratio is close to
1:2. During this flight, how much CO2 was released
into the atmosphere? Assume the combustion of the
fuel was complete, so all the fuel was burned to form
CO2 and H2O. Give both the mass of CO2 produced
(in kg and in lbs) and the volume it would occupy at
298 K, 1 atm.
(b) How much CO2 would be released into the atmosphere if those passengers and crew made the trip
instead, in pairs, in hybrid cars at 40 miles per gallon.
Assume the density of the gasoline is 0.75 kg L-1 and
that carbon and hydrogen dominate the composition
in a ratio of 1:2. The road trip is 1082 miles.
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