This experiment will investigate the factors that affect the rate of reaction of the enzyme catalyse‚ an enzyme found in food such as potato and liver. Catalyse is used to remove hydrogen peroxide from cells. The enzyme speeds up the rate of decomposition of hydrogen peroxide into water and oxygen. The reaction is: Catalyse is able to speed up the process because the enzyme lowers the activation energy of the reaction. This means that the free energy required for the reaction to take place
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Procedure The procedure stated in Chem 2120 experiment 6 Williamson Ether Synthesis of Phenacetin laboratory manual was followed without any major changes. Data and results Compound Amount used MW (g/mol) Moles Stoichiometry/Comments acetaminophen 0.354 g 151.16 2.34 x 10-3 limiting reagent ethyl iodide 0.3mL 155.97 3.75 x 10-3 1.6 equiv ’s sodium ethoxide 2.6mL 68.05 3.3 x 10-2 catalyst‚ reaction solvent crude product obtained: phenacetin 0.32g
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Writing a Synthesis Essay/Paper A synthesis essay draws on two or more sources and combines their ideas into a coherent whole. The word "synthesis" means to combine related things in a meaningful way‚ with a specific purpose in mind. When you synthesize‚ you blend the parts in such a way that you create something that is worth more than merely the sum of the parts. For our purposes‚ synthesis means putting together the arguments of various authors in a way that sheds new light on the discussion
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Minimum Wage For years there has been disagreement over whether the minimum wage should be raised or not. Some believe that by raising the minimum wage‚ many Americans would be able to rise above the poverty line and have access to their dream. Others disagree saying that raising the minimum wage would only make it more difficult for businesses to pay workers and people would lose incentive to work hard. The only just choice is to raise the minimum wage so that hard working Americans can exceed
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The first day of class began with reading a syllabus. All the students sat quietly as the teacher read aloud what was to be expected. Reading more and more into it‚ the teacher mentioned that no cell phones were to be used in class…students groaning; typical right? Students had never been allowed to use their cell phones in class‚ let alone in the school. So why were they so disappointed? Teachers make that rule because cell phones distract students’ learning processes and takes away from good learning
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GDF15/MIC-1 is a product of macrophage activation‚ suggesting that it may be involved in chronic inflammatory processes (-). GDF15 is a stress-responsive member of the TGF-β superfamily and initially described as macrophage inhibitory cytokine (-). Although GDF15 has been described in many solid tumors for almost 10 years‚ the nature of its receptor is still unknown. There is some evidence of Smad signaling pathway activation‚ suggesting GDF15 may act through TGF-β receptor superfamily pathways (-)
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Wal-Mart’s Music Censorship Imagine Green Day just came up with a great album that everyone has been raving about. The excited fans decide to head over to the local Wal-Mart to grab an easily accessible copy of this album. Sadly‚ they find that Wal-Mart will not sell the album because Green Day refuses to self-censor their songs‚ which Wal-Mart demands of all artists. Wal-Mart also refuses to stock CDs with parental advisory stickers on them‚ although it should be the consumer’s choice on whether
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April Jean Delos Santos BBF 2-9s 1. What is the significance of studying the different worlds as experienced by poets‚ dramatist‚ essayist‚ storytellers‚ playwrights‚ and writers? Studying Literature can be an eye-opening experience. Reading some great works of World Literature helps us understand things even ourselves. Because by reading we are exposing ourselves to new ideas‚ we begin to have better judgment on things and we benefit from other’s point
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u03a2 Product Analysis Vyvanse (lisdexamfetamine dimesylate) by Shire INC US Vyvanse (lisdexamfetamine dimesylate) is a schedule II narcotic medication prescribed in the United States for Attention Deficit Hyperactive Disorder (ADHD). Currently it is patented by the pharmaceutical giant Shire Inc. US‚ and the drug is in phase 3 trials for approval to treat binge eating. (Pipeline‚ n.d.) There have been rumors the drug is in trials to treat a range of diseases from schizophrenia‚ narcolepsy
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EXTRACTION Organic Chemistry Laboratory This experiment was conducted in order to compare single and multiple extraction of caffeine from dried tea leaves and to calculate the percentage yield of caffeine for both extraction procedures. The group was assigned to do the multiple extraction. Before the extraction proper‚ the water bath containing the anhydrous sodium carbonate and distilled water was heated. As the sodium carbonate dissolves‚ tea leaves were added in the mixture and allowed to
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