Purpose: To observe the characteristic colors produced when certain metallic ions are vaporized. Metallic Ion Color in Flame Na+ Light Orange K+ Pink / Orange Li Red Ca2+ Dark Orange Sr2+ Red Cu2 Green Co+2 Salmon Pink Ammonium Dichlorate Orange Sparks K2CR2O7 Orange Fe+1 No Reaction NaCl Orange Strantium Chloride Scarlet Red Ni+2 Dark Orange Copper Sulfate (solid) Green Fe+2
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Compare the evidence of a Nordic presence in the Americas before the arrival of Columbus with the evidence of a West African presence during that period. It has been said by historians that the Nordics and the West Africans were in the Americas before Columbus arrived in 1492. Though evidence‚ such as oral sagas‚ tracing routes which it was said they took‚ artifacts‚ skeletal remains‚ among others‚ have been found to prove that they could have been present; there are still debates as to whether
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glycosidic bonds. This polysaccharide is produced by most green plants as an energy store. It is the most common carbohydrate in human diets and is contained in large amounts in such staple foods as potatoes‚ wheat‚ maize (corn)‚ rice‚ and cassava. Its presence or absence in samples is also the basis for iodine tests. What is a reducing sugar?3 A reducing sugar is any sugar that either has an aldehyde group or is capable of forming one in solution through isomerism. The aldehyde functional group allows
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1- The presence of others can impact people’s behavior in many ways. For example‚ social facilitation is a process where the presence of others causes you to perform better‚ but only on tasks that are easy for you; during tasks that are difficult‚ the presence of others causes you to perform worse. Another way people’s behavior is impacted by the presence of others is social loafing‚ when people are put into a group to complete a task‚ each individual will perform less than they would if they were
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Journal of Counseling Psychology 2006‚ Vol. 53‚ No. 1‚ 80 –93 Copyright 2006 by the American Psychological Association 0022-0167/06/$12.00 DOI: 10.1037/0022-0167.53.1.80 The Meaning in Life Questionnaire: Assessing the Presence of and Search for Meaning in Life Michael F. Steger and Patricia Frazier Shigehiro Oishi University of Minnesota—Twin Cities Campus University of Virginia Matthew Kaler University of Minnesota—Twin Cities Campus Counseling psychologists often work with
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Fuqra had a strong presence near Bellevue‚ Washington at the time of the 1994 murders and is believed to have previously committed acts of terrorism against Indo-Pakistani targets in Seattle and Tacoma. Fuqra had a significant presence in Seattle‚ Bellingham and Onalaska until the mid-1990s. The presence in Seattle was established in early 1985‚ as the Colorado Fuqra was found to possess pictures of Fuqra members in the area. A FBI report from 1988 said that Fuqra had “nomadic” groups in Seattle
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1) How different is the hullabaloo by the devotees and the officers from the one brought by the monkeys? • Hullabaloo: great noise or excitement; uproar. • On the one hand‚ people acted in different ways: Ammaji tried to chase the monkeys‚ to find a solution. Kulfi wanted to cook the monkeys‚ which shows that people don’t like them and don’t consider them sacred any more The CMO was afraid of them and that’s why he avoided them Sampath was frustrated and he didn’t say good metaphors
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author of such historic piece as the Mayas‚ and many other aspects of Pre and Post Columbian times‚ offered much evidences to the cause. Written and Visual The findings and diaries of Columbus- Columbus was actually the first person to discover the presence of Africans in the Americas. Columbus himself reported that the Native Amerindians of Hispaniola had told him that‚ “There had came to Hispaniola people who have the tops of their spears made of metal‚ which they call guanine‚ of which he had sent
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In the next of our series on Far Eastern plant we look at Guava or Psidium guajava. In folk medicine‚ extracts of roots‚ bark‚ and leaves are used to treat gastroenteritis‚ vomiting‚ diarrhoea‚ dysentery‚ wounds‚ ulcers‚ toothache‚ coughs‚ sore throat‚ inflamed gums‚ and a number of other conditions (Morton 1987). This plant seemed worthy of an in depth review. "Guava leaves extract as main ingredient in making Herbal Soap for washing wounds" Introduction: WALA HAHA :D Background of the Study:
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1. When glucose‚ C6H12O6‚ is completely oxidized with excess oxygen‚ what are the products? A. H2O2 and CO2 B. H2O and CO2 C. H202 and CO D. H2O and CO 2. Which ion may form a scummy precipitate with ordinary soap? (soap has a negative charge) A. HCO3- B. CO32- C. Na+ D. Ca2+ 3. An element forms a basic oxide with the formula XO and a hydride with the formula XH2. The hydride reacts with water to give hydrogen gas. The element X could be? A. K B. Ca C. N D. O 4. Which metal reacts with concentrated
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