Chapter10 - Chemistry in Focus 3rd edition Tro Chapter 10...

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Chemistry in Focus 3rd edition Tro Chapter 10 Energy for Tomorrow: Solar and Other Renewable Energy Resources
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Earth’s Ultimate Energy Source Provides more energy than we need to solve all of our energy needs… But at low concentration Fossil fuels are hard to beat for concentrated energy content.
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Hydroelectric Power Considered to be a form of solar energy Clean, efficient, renewable Major limitation: small number of dammable rivers in the U. S. 42% already have dams Also threats to marine life, potential dam failure, impact on the river as a whole Main areas for growth: developing nations
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Wind Power Another indirect form of solar energy. The Sun heats air which expands and rises; cooler air rushes in to fill the void, creating wind that can turn a turbine.
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Advantages and Disadvantages Price is competitive with coal Clean Efficient Renewable Releases nothing into the atmosphere Unattractive Uses lots of land Winds are intermittent and uncontrollable Secondary energy source or storage mechanism is necessary
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