Yet, it is also very important theoretically, for it plays a major role in the development of another important statement of the second law of thermodynamics. At a practical level, this cycle represents a reversible model for the steam power plant and the refrigerator or heat pump. The Carnot cycle is of special importance for a variety of reasons. An engine operating in this cycle is called a Carnot engine. In 1824, his studies led him to propose a hypothetical working cycle with the highest possible efficiency between the same two reservoirs, known now as the Carnot cycle. In the early 1820s, Sadi Carnot (1786−1832), a French engineer, became interested in improving the efficiencies of practical heat engines. Demonstrate the equivalence of the Carnot principle and the second law of thermodynamics.Outline the Carnot principle and its implications.Describe the Carnot cycle with the roles of all four processes involved.
Carnot cycle heat pump heating a house software#
What statistical test should be done to determine if there is a significant difference? Explain why you chose this test.Īccounting acne adsense advertising aerobics affiliate alternative articles attraction auctions advertising audio-streaming auto-care auto-parts auto-responder aviation babies-toddler baby bankruptcy bathroom beauty bedroom blogging body-building book-marketing book-review branding breast-cancer broadband-internet business business-loan business-plan cancer car-buying car-insurance car-loan car-maintenance career cars casino cell-phone chat claims coaching coffee college-university computer-pc-tips cooking cooking-tips copy writing cosmetics craft creative writing credit credit cards credit repair currency trading data recovery dating debit relief diabetics diet digital camera diving divorce domain driving tips ebay ebook ecommerce email marketing emarketing essay ezine fashion finance fishing fitness flu free icloud furniture gardening golf google gps hair hair loss hdtv health insurance heart disease hobbies holiday home business home improvement home organization icloud interior-design internet-tips investment jewelry kitchen ladies-accessories lawyer lcd-plasma legal life insurance lingerie love mailing list make money mortgage mp3 music network-marketing online shopping paid survey pc games perfume personal-injury ppc pregnancy real-estate recipe recreation relationship resume romance rss sales-letter self employment seo shoes small business smoking software spam-blocking sports spyware stress testing trading travel vacation video-conferencing video-streaming virus voip web design web development web hosting website traffic wedding weight women writing-tips The department wants to see if students’ gains are greater in one curriculum or the other. All sections are administered a pre- and post-test that measures students’ attitudes toward science and knowledge of biology. Five sections are assigned to curriculum A, and five sections are assigned to curriculum B.
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“Antibiotics have created drug resistance in MRSA.” With that in mind, explain how the following statement is inaccurate. Anonymous comment on An example of ongoing natural selection that dramatically affects humans is the evolution of drug-resistant strains of pathogenic bacteria that can proliferate very quickly.If the atomic mass of uranium is 92, how many neutrons does an atom of uranium-235 have in its nucleus? A) 92 B) 143 C) 146 D) 235 The vast majority of uranium found on Earth is in the form of uranium-238, an isotope with a mass number of 238, while the uranium that is used for nuclear reactors and weapons is uranium-235, an isotope with a mass number of 235.
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Linnaeus evolved a system of nomenclature called (a) mononomial (b) vernacular (c) binomial (d) polynomial.Basic unit or smallest taxon of taxonomy/ classification is (a) species (b) kingdom (c) family (d) variety.A taxon is (a) a group of related families (b) a group of related species (c) a type of living organisms (d) a taxonomic group of any ranking.Malignant tertian malaria parasite, belongs to class (a) Plasmodium falciparum (b) P.African sleeping sickness is due to (a) Plasmodium vivax transmitted by Tsetse fly (b) Trypanosoma lewsii transmitted by Bed Bug (c) Trypanosoma gambiense transmitted by Glossina palpalis (d) Entamoeba gingivalis spread by Housefly.