Determination of % Composition of Pennies Using Redox and Double Displacement (Precipitation) Reactions Introduction: Oxidation involves the gain of electrons of hydrogen or the loss of oxygen or decrease in oxidation state. If zinc completely reacts with HCL‚ then the theoretical yield of copper should be equivalent to the actual yield. Purpose: In this lab‚ we will determine the percent composition of a modern (post-1982) penny by using a strong acid to react and dissolve the zinc
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Kevin Thomas Poetry 4‚ March‚ 2013 Nature: Our Second Mother The poetry of the English Romantic period often contained many descriptions and ideas of nature‚ not found in most writing. The Romantic poets shared several characteristics in common‚ certainly one of the most significant of these is their respective views on nature‚ which seems to range from a more spiritual‚ if not pantheistic view‚ as seen in the works of William Wordsworth as well as Emily Dickinson. The two
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Journal of Medicinal Plants Research Vol. 5(10)‚ pp. 2035-2040‚ 18 May‚ 2011 Available online at http://www.academicjournals.org/JMPR ISSN 1996-0875 ©2011 Academic Journals Full Length Research Paper Screening of chemical composition of essential oil‚ mineral elements and antioxidant activity in Pulicaria Undulata (L.) C. A. Mey from Iran Mehdi Ravandeh1‚ Jafar Valizadeh2*‚ Meissam Noroozifar1 and Mozhgan Khorasani-Motlagh1 1 Department of Chemistry‚ University of Sistan and Baluchestan
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definition of Kangaroo care and also a brief history will be given. A literature search review will be attached and an article chosen for critique purpose will be discussed. A brief medical history of the mother of the baby will be provided. NMC (2007) advises on confidentiality therefore‚ the mother of the baby will be named as ‘Mrs Z’ and baby will be ‘baby T’. Background: Low birth weight is recognized as a significant health problem and Kangaroo care (skin to skin) has been proposed as a conventional
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1 Spring 2013 - Syllabus for First Year Composition‚ English 114 (Section 10) Mark Schleunes/ HUM 429. Office hours: MW 3:35 – 4:25‚ Fri. 2:30 - 4:10 and by appt. Office phone: 338-3102. Email: markman@sfsu.edu This syllabus is your contract with me. By continuing to attend this class‚ you agree to abide by the rules of this contract. If you think you may not be able to follow the rules in this contract‚ you should drop this class immediately. STUDENT LEARNING OUTCOMES After completion of any one
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The 1950’s-60’s70’s-80’s Miranda Moultrie Nixon Back Again The United States presidential election of 1968 was the 46th quadrennial presidential election‚ held on Tuesday‚ November 5‚ 1968. Moon Shot On July 21‚ 1969‚ President Nixon spoke from the Oval Office to Apollo 11 astronauts Neil Armstrong and Edwin Aldrin at the Sea of Tranquility on the Moon. Apollo 11 was the spaceflight that landed the first humans on the Moon‚ Americans Neil Armstrong and Woodstock A village in New York state
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disciplining‚ show a more stable environment‚ and teach children the respect loving couple can have for one another. According to U.S. Census Bureau report November 2009 There are 13.7 million single moms and dads currently raising their children in the u.s. Single parents tend to spend more quality one on one time with their children an develop a more unique bond that may not have been in a two parent home. As a single mother raising a teenage daughter‚ I can relate to many of the issue’s
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g 3‚700 kJ (880 kcal) Smoke point 213 °C (415 °F) Iodine value 99-108 Acid value 1.2 Saponification value 180-190 Unsaponifiable value 3-5 Composition of Rice bran oil Rice bran oil has a composition similar to that of peanut oil‚ with 38% monounsaturated‚ 37% polyunsaturated‚ and 25% saturated fatty acids. The fatty acid composition is: Fatty acid Percentage C14:0 Myristic acid 0.6% C16:0 Palmitic acid 21.5% C18:0 Stearic acid 2.9% C18:1 Oleic acid 38.4% C18:2 Linoleic acid
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O ’Neill 1 Warren O ’Neill Professor Scheckner CRWT 102-02 8 February 2013 Fighting Oppression in Immokalee‚ Florida: Days of Revolt Days of Destruction Days of Revolt was written by two war veterans‚ Chris Hedges and Joe Sacco. In this book‚ they basically describe and make readers feel like they are actually touring the most impoverished‚ physically and socially devastated areas in the United States. They offer very detailed and disturbing descriptions of life on the Pine Ridge Reservation
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Molly Period 4 World Lit/Advanced Comp Unit 4 Essay Test Literature from the medieval time period is mostly about one person and their problems. The tales describe a mistake made by an individual (mortal/god or goddess) and provide insight into the individuals destiny and fate. Destiny and fate were very influential to a person or characters life during this time period. The central concern of medieval literature is the individual person working out his or her individual destiny through the
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