filtration and fractional distillation were performed to get a more concentrated solution. The density of ethanol was .825 g/mL with a percent composition of 85% pure ethanol. Introduction Fermentation is a metabolic process in which an organism converts a carbohydrate such as starch or sugar‚ into an alcohol or an acid. One particular alcohol‚ ethanol is the least toxic of the alcohols and as such‚ has
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Experiment 1 : Design and preparation of buffers effective at different pHs Abstract The body uses natural buffers to maintain the many different pH environments in our body. This is important for optimum activity of our enzymes. When doing experiments in vitro using these enzymes it is important to mimic intracellular conditions using artificial buffer systems in order to obtain accurate results. In this experiment the buffering properties of three artificial buffer systems containing acetic
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smell of rotten eggs (H2S); turns lead acetate paper black 1. Sodium nitroprusside test: WE + sodium nitroprusside 4 = purple / violet colour 2. Lead acetate test: WE + lead acetate 5 (aq) = black ppt 5. Nitrite: Pungent light brown gas 1. Starch-iodide test: WE + dil H2SO4 (or dil acetic acid); boil‚ then add solid KI + fresh starch sol = deep blue colouration Group II (conc H2SO4 group) – Cl(chloride)‚ Br- (bromide)‚ I- (iodide)‚ NO3- (nitrate)‚ CH3COO- (acetate)‚ C2O42(oxalate): Salt + conc H2SO4
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CHNG 1103 INTRODUCTION OF MATERIAL AND ENERGY TRANSFORMATIONS COURSE NOTES PART A: MATERIAL BALANCE GENERAL INFORMATION LECTURERS Dr. Marjorie Valix (Part A: Material Balance) email: mvalix@usyd.edu.au office: Rm 444 Chemical Engineering Blg. Phone: 93514995 (Direct) or 9351 2455 (General Office/Messages) Dr. Vincent Gomes (Part B: Energy Balance) Email: vgomes@usyd.edu.ua Office: Rm 452 Chemical Engineering Blg. Phone: 9351 4868 TEXTBOOK R.M. Felder and R.W. Rousseau “ Elementary
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is delicate like suede and the interior strictly fur (Figure 1). The boot has a shaft circumference of 14 inches and a twinface height of about 8 inches‚ reaching right below the middle of your calf. The sole of the boot is made of Ethylene Vinyl Acetate (EVA) and is about 1 inch thick (Figure 2). The EVA manufactured sole is pressed to the
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Today they’re many thousand different materials. Most of them are different types of clothing‚ or cloth. Good portions of these are combinations of synthetic fibers woven or threaded together to make a final product. These synthetic fibers are a large group of polymers. Synthetic polymers offer more possibilities‚ since they can be designed with molecular structures that impart properties for desired end uses. All fibers are ploy-something or polymers. That means they are long strings of repeating
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CHAPTER II RELATED LITERATURE Blumea balsamifera(sambong) A Phytochemical and Pharmacological Review Sambong (Blumea balsamifera) is a native flowering or weed that is endemic in the Philippines and other tropical countries. It is a popular herb especially for its healing properties including antidiarrhetic‚ antigastralgic‚ expectorant‚ stomachic‚ and antispasmodic‚ among others. Aside from these‚ sambong is also popular for being emmenagogues‚ or for stimulating menstruation or the blood flow
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Dehydration of Alcohols Abstract The dehydration of cyclohexanol to cyclohexene can be done through fractional distillation. Once the fraction has been collected it must then be dried. The dried distillate is finally tested to determine whether or not it has been dehydrated. The three tests used were infrared spectroscopy‚ Bromine chemical test and Bayer’s chemical test. The infrared spectroscopy showed a large narrow peak at 3062.12(cm-1) and 3020.71(cm-1) which indicates that there is a double
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CHM 2210L-009 Experiment 1: Simple and Fractional Distillation of a Binary Mixture Aim: The aim of this experiment is to perform a simple and a fractional distillation and separate a mixture containing two liquids‚ cyclohexane and toluene. Post Lab: At any given temperature a liquid is in equilibrium with its vapor. This equilibrium is described by the vapor pressure of the liquid. The vapor pressure is the pressure that the molecules at the surface of the liquid
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MANAGING WASTE AND UNDERSTANDING THE PROCESS OF ETHANOL MAKING IN INDIA GLYCOL LTD. Summer Internship Project Report Submitted towards Partial fulfillment of Post Graduate Diploma in Management (Approved by AICTE‚ Govt. of India) Academic Session 2011-2013 Under the Guidance of: Industry Guide Mr. Praveen Srivastava SR. Manager (Production) Faculty Guide Mr. Anoop kumar Srivastava Dr. Shailendra Dube DY. Manager Professor
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