SeptSummary11 - Cars, Energy and Chemistry: September...

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Unformatted text preview: Cars, Energy and Chemistry: September Summary methane, ethane, propane, butane, etc. know names up to ten generic hydrocarbons and be able to write or recognize them in organic shorthand notation. CH 4 , CH 3 CH 3 , CH 3 CH 2 CH 3 , CH 3 CH 2 CH 2 CH 3 C n H 2n+2 Combustion Reactions (burning stuff) H 2 + 1/2 O 2 H 2 O (liquid) H = - 285.8 KJ CH 4 + 2 O 2 CO 2 (g) + 2 H 2 O (l) H = - 890 KJ burning natural gas CH 3 OH + 3/2 O 2 CO 2 (g) + 2 H 2 O (l) H = - 726 KJ burning methanol CH 3 CH 2 OH + 3 O 2 2 CO 2 (g) + 3 H 2 O (l) H = - 1367 KJ burning ethanol Survival Reactions: necessary for world wide food production 3 H 2 + 2 N 2 2 NH 3 (Haber process done at high temperature and pressure) CH 4 + H 2 O CO + 3H 2 Haber process requires hydrogen, currently comes entirely CO + H 2 O CO 2 + H 2 from fossil fuel sources, mostly methane, as shown....
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SeptSummary11 - Cars, Energy and Chemistry: September...

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