Lab 5 Column Chromatography: Isolation of Lycopene from Tomato Paste Reading: Zubrick‚ pages 79-82‚ 127-130‚ 138-139‚ 141-143‚ and 235-240 Pre-lab: look up the structure of lycopene. Introduction: Lycopene is the red pigment in ripe tomatoes and‚ as an antioxidant‚ helps to fight certain cancers. In this lab you will isolate lycopene from tomato paste. To do this you will first extract carotenoid pigments from the paste and then use column chromatography to isolate the lycopene from
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Sparta abused their slaves and would kill them whenever something didn’t go their way. Sparta’s society revolves around war/military battles and fighting each other. The boys were forced to play war games and some ended in death. Sparta’s weaknesses outweigh the strengths because the Spartan boys were abused‚ they lacked education‚ and they were taken away from their families at a young age. To begin with the Spartans abused their children. In the Background Essay it states “The boys of Sparta were lashed
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Chapter 1 MULTIPLE CHOICE QUESTIONS Topic: Atomic Orbitals 1. A) B) C) D) E) In quantum mechanics a node (nodal surface or plane) is: a place where Ψ is negative. a place where Ψ is positive. a place where Ψ = 0. a place where Ψ2 is large. a place where Ψ2 is negative. Ans: C Topic: Atomic Orbitals‚ Molecular Orbitals 2. When the 1s orbitals of two hydrogen atoms combine to form a hydrogen molecule‚ how many molecular orbitals are formed? A) 1 B) 2 C) 3 D) 4 E) 5 Ans:
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Name Naza Moore ID# 24120389 Lab# 2 Lab instructors Alecia Palmer and Donald Burke Course Instructor Maureen Wilson Lab Title Preparation of cyclohexene from cyclohexanol Aim Preparation of an Alkene by dehydration of an alcohol in the presence of a catalyst. Calculate the percentage recovery of products. Test for purity and identification of products. Abstract Cyclohexene and cyclohexanol are both colourless aromatic compounds. The major difference between the two is the presence
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Contribution: The research conducted has several strengths and weaknesses to be addressed. To begin‚ I believe that the following areas within the article could be altered: population studied‚ position of camera‚ time workers have to adapt and adopt implementation‚ employees observed working with residents‚ and a larger sample size. The following areas could be added: definitions of topics‚ a controlled group‚ and observation of long-term effects of the programs. Finally‚ the following areas should
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My first communication strength is listening to my friends and family. I am very adept at listening to my friends and families because I’m competent at the five stages of listening‚ specifically: receiving‚ understanding‚ remembering‚ evaluating‚ and respond. I have this uncle named Rajah who tells stories non-stop. He can start a story at eight in the morning‚ and then continue until three in the afternoon. His family would tune him out around ten- thirty‚ but I would listen because he loved attention
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(II) Weaknesses (i) The latest information on new technologies which are seldom or late to reach the end users First weaknesses which had been found are the latest information on new technologies which are seldom or late to reach the end users and sometimes it could be never reaching to. It also one of the major weaknesses whereby the latest information tardy to reach the end users will lead to low customer consciousness towards the DiGi products and services likes the promotion of latest data package
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1Organic Architecture View Full Essay Worldwide notoriety is a comment that would suggest Frank Lloyd Wright and the architecture that he left behind. This legendary American architect started a style of organic structures that remains a roadmap for the people of his genera today. His greatness not only remains by the buildings that he left behind‚ but through his school that he along with his wife started and his philosophy about designing. As a young child‚ Wright developed these characteristics
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Marketplace Characteristics of U.S. Organic Sector The U.S. organic food industry crossed a threshold in 2000: for the first time‚ more organic food was purchased in conventional supermarkets than in any other venue. Industry estimates suggest that nearly half of the $7.8 billion spent on organic food in 2000 was purchased in conventional retail outlets. Organic products are now available in nearly 20‚000 natural foods stores (Natural Foods Merchandiser)‚ and are sold in 73 percent
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Information”‚ USDA’s National Organic Program‚ http://www.ams.usda.gov/nop/ Consumers/ Consumerhome.html 3.Peter Singer‚ “Animal Liberation”‚ pp.147-150. 4.B. P. Baker; C. M. Benbrook; E. Groth; K. Lutz Benbrook. 2002. Pesticide residues in conventional‚ integrated pest management (IPM)-grown and organic foods: insights from three US data sets. Fair Trade coffee farms‚ certified by TransFair USA‚ are required to ensure that the coffee was grown using sustainable methods (such as organic farming) and that farmers
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