of two students required: * vitamin C indicator solution * three 50 mL beakers or medicine cups * one 10 mL graduated cylinder * three disposable pipettes * one stirring rod * Sources of Vitamin C: freshly squeezed OJ‚ bottled OJ‚ frozen OJ‚ canned OJ * Optional: container for waste solutions and source of clean rinse water There are two different preparations (starch-iodine or indophenol) that may be used for the vitamin C indicator solution. Neither is more
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Geography 241 Review for Cumulative Final Short essay‚ i.e.‚ ones worth 2 pts on the exam - 3/ 4 sentences Medium‚ i.e‚ ones worth 4 pts - 6 sentences Long‚ i.e.‚ the 2 or 3 worth 6 pts on the exam - 8 - 10 sentences Keys: 1. 2. Use examples and locations to help define key concepts Prepare each essay by first recognizing its appropriate length Ch 1 – Introduction (M) Define geography? What is a geographic perspective? How is it unique from others? (See book and lectures) 1. GEOGRAPHY-
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Understanding Your Fats and Fiber SCI/241 June 13‚ 2013 Understanding Your Fats and Fiber According to Face the Fats the bad fats are trans fats and saturated fats‚ both of these fats raises bad cholesterol levels in the blood. Monounsaturated fats and polyunsaturated fats can lower bad cholesterol levels and are beneficial when consumed in moderation. Taking in too many fats regardless of what kind they are can eventually lead to to many calories which can lead to weight gain. High levels
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Water Quality and Contamination Reneta Washington SCI207: Dependence of Man on the Environment Professor: Marc Hnytka June 24‚ 2013 Introduction Lab two experiments are dealing with the water quality and contamination. The water quality of water refers to the physical‚ chemical and biological characteristics of water. Experiment one refers to the effects of groundwater contamination. There were a total of 8 beakers that were separated in to two groups. Group one had beakers one through
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College Material Appendix E Water Resource Challenges Review Ch. 10 and 11 of your text‚ then complete the following: Provide at least three freshwater and three ocean water resource challenges by filling in the following table. Then‚ respond to the question that follows: Freshwater Resource Challenge Description Water Pollution Many instances such as dumping are causing the water resource to be polluted by bacteria and other harmful Redistribution of water resources The allocation of
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H2O 1 mole 1 mole 1 mole 1 mole Aim To analyze the Vitamin C from a rival company and compare with that of my company and find out the best value for the money spent by the consumer. Controlled Variable * Mass of the tablet and hereby vitamin C in rival company tablets * Consistency of components in the Vitamin C tablet * Concentration of NaOH Apparatus 1. Burette (50ml) 2. Conical flask (50ml) 3. Vitamin C tablet (1 tablet per one trial) 4. Sodium Hydroxide
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much of a good thing is an adage that can apply to vitamins. The body needs vitamins to function properly‚ but high doses of certain vitamins can be toxic‚ especially fat soluble vitamins that the body stores for long periods of time. Water Soluble Vitamins Water-soluble vitamin toxicity is rare because the body does not store water-soluble vitamins and excess amounts are usually excreted in urine. Side effects associated with water-soluble vitamins occur due to intake of extremely high doses. Peripheral
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Naomi Ruiz Vitamin D Paper Dear Grandfather‚ After doing extensive research on the extremely controversial and confusing topic of how much vitamin D a person needs I have become much more knowledgeable on the subject. Allow me to enlighten you by first explaining exactly what vitamins are and what they do for your body. According to the book Vitamins‚ vitamins are a group of organic compounds which are essential in very small amounts for the normal functioning of the body (Ball 2004). In the article
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molecular level – Tutoring for biology Saturated fat vs. unsaturated fat Saturated fat has a lot of single carbon bonds. This makes them much straighter in shape and therefore easier to stack together. It’s called “saturated” fat because the molecule has the maximum amount of hydrogen atoms attached to it as possible. Unsaturated fat has double carbon bonds. Each double carbon bond means two less hydrogen atoms on the molecule. Unsaturated fat also is kinked at each double bond‚ disrupting the
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Quantitative Chemical Analysis page 674. While this method of chemical analysis has been established since the eighteenth century‚ it is still one of the most accurate methods when determining how much unknown was present. The gravimetric analysis of a soluble sulfate lab allows for the experimenter to become better acquainted with techniques necessary for the completion of the experiment‚ while also understanding the pitfalls associated with carelessness and improper use of laboratory equipment. Techniques
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