What are the chemical constituents and their proportions of car exhaust gases?What volume of waste gases does a car produce, on average and how many cars are there?
2007-02-16 22:08:34 · 5 answers · asked by Anonymous in Environment
Mostly carbon dioxide, if the engine is tuned properly. The nitrogen in the air going in mostly comes out unchanged, but less than 1% of it is combined with oxygen to make various nitrogen oxides. (There are several.) Some of the carbon in the gasoline does not burn completely, so you get some carbon monoxide (maybe around 3%).
Gasoline is a complex mixture of hydrocarbons, but I think it averages out to something like 8 carbon atoms and 18 hydrogen atoms. (In a straight chain, that is octane.) So gasoline would contain about 96 grams/mole of carbon and 18 grams per mole of hydrogen. During combustion, the carbon and hydrogen get oxidized (oxygen molecular weight = 16). So for each 114 gram mole of gasoline that was burned perfectly, it would yield 352 grams of carbon dioxide and 162 grams of water vapor.
You also have to consider that water vapor is not really a pollutant, and most of the carbon monoxide and un-burned hydrocarbons can be oxidized to carbon dioxide in a catalytic converter.
Volume of gases like CO2 and H2O are close to 22.4 liters per mole, so you can calculate the number of liters of exhaust gas per volume of gasoline. But the amount of gasoline that a car consumes varies widely, so we can't really say how much one car produces. I guess you could look up worldwide gasoline production, and then figure it out from that.
2007-02-16 22:15:13 · answer #1 · answered by pondering_it_all 4 · 2⤊ 0⤋
Car Exhaust Fumes
2016-10-04 13:41:30 · answer #2 · answered by ? 4 · 0⤊ 0⤋
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RE:
What are car exhaust fumes made up of?
What are the chemical constituents and their proportions of car exhaust gases?What volume of waste gases does a car produce, on average and how many cars are there?
2015-08-13 01:13:43 · answer #3 · answered by Anonymous · 0⤊ 0⤋
Lol, that's funny! I don't know if I have really seen many funny ones? Usually I can't read them because I am not wearing my glasses ... Which reminds me, I think I left my glasses case in your car? Not important but just something to remember next time I see you... xx
2016-03-16 23:12:49 · answer #4 · answered by Anonymous · 0⤊ 0⤋
Carbon dioxide (CO2), carbon monoxide (CO), lead (PB), particulate matter, water vapor, and nitrogen dioxide (NO2) to name a few of the more significant ones that contribute to global warming or are otherwise harmful to the environment.
2007-02-16 22:59:53 · answer #5 · answered by Professor Armitage 7 · 0⤊ 0⤋
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Magic Happens , sticker on a crashed car ,it should have had in small print underneath NOT ALWAYS!!!??? . not a true story but it could be.
2016-04-10 05:06:13 · answer #6 · answered by Anonymous · 0⤊ 0⤋
cars' smoke consists of carbon monoxide, dioxide(both) that r carcenogenic n i dunno their proportions thats all i know....sorry could not help much.... :-(
2007-02-16 22:36:14 · answer #7 · answered by bluedragon 2 · 0⤊ 2⤋