20 9. Classic chemistry experiments Unsaturation in fats and oils Topic Organic chemistry‚ saturated and unsaturated fats. Timing 45 min. Description The students titrate different oils and fats mixed with Volasil against bromine water. Apparatus and equipment (per group) w White tile w Conical flask w Dropper pipette. (Use the type of teat pipette usually fitted to Universal Indicator bottles‚ that do not allow squirting – eg Griffin.) w Burette (filled with bromine
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Redox Titration Lab ABSTRACT: In this lab‚ 0.010 M purple-colored potassium permanganate solution was standardized by redox titration with iron (II) ammonium sulfate hexahydrate (FAS). The average mass of the three flasks of FAS was 0.483 grams. Once the concentration of the standard solution of KMnO4 (aq) was determined‚ it was used to determine the concentration of Fe2+ in iron pills. On average‚ there was 0.01813 L of solution used. With this information and the balanced net-ionic equation
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Priya Chauhan August 27‚ 2012 Period 3 Rainbow Lab Objectives: We should develop skills measuring chemicals with a graduated cylinder. We should practice using the metric system. We should have the ability to follow directions and to test precision. We should practice lab safety procedures. Procedures: Part 1: Label six tubes in order: A‚ B‚ C‚ D‚ E‚ and F. Fill a beaker half way with water. Use it to rinse your graduated cylinder and test tubes. The second beaker is for
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Chemistry 42 Course Syllabus Introductory General Chemistry Santa Rosa Junior College Spring 2013 Section 5618 - Course Information Lecture W‚F 7:30 – 9:00 PM (1999 Bech)‚ Lab W 9:00 – 12:00 PM (1948 Bech) Instructor of Record: Dr. Valeria Martinovic My office is in 1914 Bech. My Spring office hours are Mondays 10:00-10:30 PM‚ Wednesdays 7:00-7:30am‚ 9:00-10:30am‚ Fridays 7:00-7:30am. Leave a message at any time by e-mail at vmartinovic@santarosa.edu. Course description: Welcome
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Thermochemistry Lab Hypothesis We predict that two different physical changes (dissolving of a chemical substance in water) will produce energy changes; one exothermic and one endothermic. We predict that the temperature change will be affected by the change in system (open vs. closed) will be as follows: the temperature change in the closed system will be greater than that of the open system. Materials Refer to attached sheet Method Refer to attached sheet Observations Substance Added
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there a product in the Indian market which can make a women or man fairer in fewer days‚ we will find out by reviewing these fairness creams. Since nearly every product in the market claims to making you fair from Shahid Kapoor to John Abraham and from Katrina Kaif to Kajole selling Olay products. The market for beauty products is vast but the market for fairness creams I think occupies 90% of the space. Long from the days of Britisher’s have always loathed dark skin thinking the white is always right
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Laboratory #16: Analysis of Grease in Water by Solvent Extraction Experiment Date: 2/19/10 Due Date: 2/26/10 II. Objective The goal of this lab was to determine the amount of impurity‚ in the form of oil‚ in water using the method of solvent extraction‚ also known as liquid-liquid extraction‚ a method of separating two materials with different physical and/or chemical properties. Two methods of evaporation will be used to finally determine the concentration of impurity- one using an explosion-proof
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ensure its effectiveness despite the changes in the economic environment. The case of Eddie Bee’s demonstrated the possible consequences of an outdated and ineffective compensation plan. Eddie Bee’s Ice Cream Company was once “the mid-Atlantic region’s fastest producer of gourmet ice cream pints and quarts”. It was able to provide compensation and benefits for its employees that contributed to the success of the company since twenty-six years ago. However‚ in recent times‚ Eddie Bee’s is unable
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Ice-Fili (АЙС-θИЛИ) You cannot defeat a nation that enjoys ice cream at minus 40 Celsius. — Winston Churchill To survive in Russia’s ice cream industry during the 11 years since the collapse of the former Soviet Union was no small feat (see Exhibits 1 and 2). To be successful in these turbulent times was nothing short of amazing to industry observers. In 2002‚ Ice-Fili‚ a midsized Russian company with more than $25 million in sales‚ was Russia’s top ice cream producer. Surprisingly‚ it had
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Laboratory 2: Examining Dyes and Dying Introduction Dyes‚ which used on material such as cotton‚ silk‚ wool‚ and nylon appears to have color due to the partial light absorption in the visible region of the electromagnetic spectrum. Chromophores‚ derived from Greek‚ Chroma meaning color and phoros meaning bearer makes light absorption feasible. Dyes contain both chromophore molecules and auxochrome molecules; chromophore molecules include unsaturated groups‚ for instance carbon-carbon double bonds
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