Essay: Cells

Pages: 2 (532 words)  ·  Bibliography Sources: 3  ·  Level: College Senior  ·  Topic: Energy  ·  Buy This Paper

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[. . .] Solar cells can be produced repeatedly since silicon does not place a strain on the environment. Solar cells are produced by doping or contaminating the semiconductor.

The Second Law of Thermodynamics states, "In all energy exchanges, if no energy enters or leaves the system, the potential energy of the state will always be less than that of the initial state." This is known as entropy. A watchspring-driven watch will run until energy in the spring is converted and reapplied to the spring to rewind it. Another example involves a care that has run out of gas. The car will not start until you walk 10 miles to a gas station to put more gas in the car. Once the potential energy converts to kinetic energy in carbohydrates, the organism will not receive any energy until more energy is put in. In energy transfer, some energy will dissipate. Entropy is a measure of disorder: cells have low entropy and are NOT disordered. The flow of energy preserves order and life. Entropy wins when organisms stop taking in energy and dies.

References

" Farabee, M.J. (2001). Laws of Thermodynamics. Retrieved on January 26, 2010 from http://www.emc.maricopa.edu/faculty/farabee/BIOBK/BioBookEner1.html

STOEGER, WILLIAM R. "Thermodynamics, Second Law of." Encyclopedia of Science and Religion. The Gale Group Inc. 2003. Retrieved January 24, 2010 from Encyclopedia.com: http://www.encyclopedia.com/doc/1G2-3404200511.html

J. Whitmarsh and Govindjee (1995), "Photosynthesis" by published in Encyclopedia of Applied Physics (Vol. 13, pp. 513-532) by VCH Publishers, Inc.

http://scitec.uwichill.edu.bb/cmp/online/el10c/gibbs/Diodes.htm

http://www.solarserver.de/wissen/photovoltaik-e.html.

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https://www.essaytown.com/subjects/paper/cells-known/4120076.