FINAL OUTLINES

FINAL OUTLINES - EnergyResourcesFossilFuels 11/15/07

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Energy Resources – Fossil Fuels 11/15/07 We took energy for granted, assuming when we flipped the switch, the lights would go  on and assuming that there would always be plenty of cheap fuel for our vehicles – Mac  Thornberry  Energy Human energy consumption has steadily increased 90% of the S energy is produced from fossil fuels  Source of Fossil Fuel Energy Photosynthesis o Water and carbon dioxide   sugar and oxygen o 6CO2, + 12H2O, light   C6H12O6 + 6CO2 + 6H2O o The H-C bonds store energy Oil, nature gas and coal derive form once living creatures o Solar energy from geologic past – “fossilized sunshine” o Materials transformed after burial  Fossil Fuels Coal 20% of US energy consumption, 53% of MD electricity Organic materials that did not undergo oxidation (break H and CO bonds and release  energy into environment)   Paleoenvirnment: dead plants decaying in fresh or brackish swamps 
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Coal Distribution o United States has 35% of total reserves o Coal beds also produce economics methane Formation o Swamps (proper condition) o Peat     : Partially decomposed plant material o Burial     o Compression     : Removes water and organic gases – carbon is concentrated   Classification based on type and sulfur content 
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This note was uploaded on 12/08/2010 for the course GEO 120 taught by Professor Tracey during the Fall '07 term at Maryland.

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FINAL OUTLINES - EnergyResourcesFossilFuels 11/15/07

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