experimentally observed spectrum can be interpreted as absorption of electromagnetic radiation by an electron as it is promoted from the HOMO to the LUMO‚ we can derive the following expression for the energy absorption E. E =h2 [2ni+ 1]/ (8mL²) (2) the absorption wavelength for the HOMO _ LUMO transition is
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Could ‘membership in the same species’ be the basis for moral rights? Suppose the human species splits‚ and homo canuckus emerges. Most members of canuckus are dumb‚ but the occasional canuckus is an Einstein and has the mental capacities of a 5 year-old human being. Does the fact that A is a member of your species mean that you should favor A over an Einstein specimen of homo canuckus? Q5: If individual animals have moral rights like all human beings‚ then is it permissible to eradicate
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such as Homo habilis (1.8 and 2.5 million years ago) and Homo erectus (1.8 million to 350 000 years ago) are possible direct ancestors of modern Homo sapiens‚ and lived in Kenya in the Pre-neolithic epoch. During excavations at Lake Turkana in 1984‚ paleoanthropologist Richard Leakey assisted by Kamoya Kimeu discovered the Turkana boy‚ a 1.6-million-year-old fossil belonging to Homo erectus. Homo erectus means the upright man and was believed to have a bigger brain (775-1250cc) than homo habilis
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War has been a constantly occurring event throughout history‚ from the strife between Homo sapien tribes to terrorists in modern society. However‚ what if there was some way to achieve the same ending without contentions of war? This is what who can be assumed as brothers and pacifists‚ James and Christopher Collier‚ are trying to tell us through their novel‚ My Brother Sam is Dead. The example they use is the American Revolution. So many people‚ innocent or evil‚ were killed. “My Brother Sam is
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factor of necessity implies that the origin of most creative ways of making life easy began as supported by realization that man needed them to survive in the changing life experiences. Firstly‚ the prehistoric era events included the emergence of Homo sapiens sapiens‚ the man with an enhanced brain activity able to support different high-level primate intelligence chores such as tool making‚ cultivation of crops‚ and domestication of animals. In summary‚ civilization of Europe and Asia contribute
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In Janet E. Halley’s chapter titled‚ “The Construction of Heterosexuality‚” Halley makes three arguments regarding how heterosexuality is constructed (especially through the courts)‚ the implications for the different definitions of homosexuality‚ and how we need to change the way we think about sexuality. In the first section‚ Halley outlines what she calls the “deviant definition” of homosexuality. This definition is characterized by sexual acts‚ rather than a sexual identity. Here‚ the heterosexual
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Contents 1. What is OLED? 2. History of OLED 3. Construction 4. Working Principle 5. Meterial Technologies 6. Device Architectures 7. Advantages 8. Disadvantages 9. Manufacturers and commercial uses 10. References What is OLED Led: A light-emitting diode (LED) is a semiconductor light source. When a light-emitting diode is forward biased (switched on)‚ electrons are able to recombine with electron holes within the device‚ releasing energy in the form of photons. This effect is called electroluminescence and
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Culture‚ which is a word that is very difficult to define‚ is very much engrained in the African people. The culture and art of African people expresses values‚ attitudes‚ and thoughts which help to represent the products of their past experiences and it also provides a way of learning about their history. Throughout this paper‚ you will learn about the culture and art of Africa and its people. As we begin to think about Africa and its‚ we must also consider how Western perceptions of "race" and
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There is a theory that humans descended from an earlier‚ lower form of life. There is an assortment of evidence that shows that all living creatures on Earth descended from a common ancestry. Evolution doesnt discriminate against humans. It is believed that we too are a product of an earlier predecessor. The similarities in all life are evident if you consider that every form of life builds from the same building blocks--20 essential amino acids‚ four nitrogen bases‚ and simple sugars. Each of Earths
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energies of C2X‚ COand C2XCO lusters respe tively‚ and hange in Gibb’s free energies (dG). It is found that‚ the ad- sorption energies of C2NaCO‚ C2MgCO‚ C2AlCO‚ C2SiCO lusters are omparatively less than those of C2PCO‚ C2PCO‚ C2ClCO indi ating that the latter lusters inter- a t omparatively more strongly with CO. At all the om- putational levels‚ it is found that the lusters are having odd number of ele trons‚ |dG| and |Eads| follow the order of C2PCO (48.16 K al/mol‚ 2.44 eV) > C2ClCO (43.97 K
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