102Chapter19

# 102Chapter19 - Chapter 19: Conventional Energy 19.1 Energy...

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Chapter 19: Conventional Energy

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19.1 Energy Resources And Uses How do we measure energy? Fossil fuels supply most of the world’s energy What are the current sources of U.S. energy?
Measuring Energy Joule = Energy to raise 1 kg 10 cm Energy to Move 500 g (a Pound) 1 m/sec calorie = Energy to heat 1 gm Water 1 C Calorie = Energy to heat 1 kg Water 1 C 1000 calories Food Calorie Equals 4200 joules Watt = 1 joule/second Human body outputs about 100 watts

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Quads Btu = British Thermal Unit = Energy to heat a pound of Water 1 Degree F 1 Btu = 1055 J Many Energy Reports use Quads = 1 Quadrillion (1015) Btu 1 Quad = 1.055 x 1018 J
World Energy Use Total about 150,000 TWh = 540 x 1018 J = 128,000 Megatons

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U.S. Energy Use Total about 27,000 TWh = 97 x 1018 J = 23,000 Megatons
What U.S Uses Energy For

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Energy Use, California, 1972
Energy Use, California, 1979

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Energy Use, California, 1993
Energy Use, California, 1994

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Energy Use, California, 2003
All You Need to Know

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Economics 2000 WINNEBAGO CHIEFTAIN SERIES M-36LP-DSL Average Retail Price: \$51,600 Suggested List: \$140,851 Source: NADAGuides.com (23 April 2010) Ten-Year Cost: \$89,251 @\$300/day = 297 days = 30 days/year
19.2 Coal Coal resources are vast Coal mining is a dirty, dangerous business Burning coal releases many pollutants Clean coal technology could be helpful

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19.3 Oil
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## This document was uploaded on 12/31/2011.

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102Chapter19 - Chapter 19: Conventional Energy 19.1 Energy...

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