Atausch July 28‚ 2014 Bio 102 Lab Final Exam: Acids and Enzymatic Reaction Purpose: To examine how an acidic fluid will modify the outcome of an enzymatic reaction. Introduction: Enzymes are “specialized proteins made by living cells that serve as biological catalysts.” (eScience Labs‚ LLC‚ 2013) These enzymes “allow certain industrial processes to be carried out at normal temperatures and pressures‚ thereby reducing the amount of energy and expensive equipment needed.”(BBC‚ 2012) Enzymatic
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Review: Uncle Acid & the Deadbeats - Blood Lust Uncle Acid & the Deadbeats is an english rock band formed in 2009. The album “Blood Lust’’ is their second full length LP‚ released in 2011. The Band specialise in mixing the sounds of 60′s psychedelic rock‚ and a style of doom/stoner metal‚ which was pioneered in the early 70′s‚ and is evolving to this day. The band has been metaphorically described as “the original Alice Cooper band jamming in a cell with early Black Sabbath and the Stooges”.[4]
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Hydroxide (NaOH) by titrating it with Hydrochloric Acid (HCl) and to identify any possible sources of error. A colour change from pink to yellow signified the end of each individual titre as the NaOH had been neutralised. Experimental: Method: Firstly two solutions were prepared to show the colour of the Phenol Red indicator in acid and alkaline conditions. These colours were then used to determine the end point of each titre. In the experiment 0.100M HCl (acid) was added‚ from a burette‚ to a solution of
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For each question‚ choose your answer‚ and then give the rationale behind your choice. This will give you the opportunity to earn up to 10 points to be directly applied to exam 2. This must be submitted by the beginning of class 8/2. Multiple Choice Identify the choice that best completes the statement or answers the question. ___B_ 1. A 45-year-old client with excess fluid volume because of an acute kidney dysfunction is placed on a 1‚000 ml fluid restriction per 24-hour period. The client
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rocks Acetic Acid Looks like a clear liquid Solution of Sodium Thiosulfate Looks like a clear liquid Granular Zinc Looks like shredded pieces of silver Iodine Crystals Looks like small silver balls Zinc Ion and Iodine-Iodide-Triiodide ion in water Looks like a brown liquid Solid Zinc Iodide Looks like a white powder Mineral Oil Looks like a clear liquid Silver Nitrate Looks like a clear liquid Magnesium Turnings Looks like a small silver curved figure 3M Hydrochloric Acid (HCL) Solution
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Dictionary.com define syrup as “1. any of various thick‚ sweet liquids prepared for table use from molasses‚ glucose‚ etc.‚ water‚ and often a flavoring agent. 2. any of various preparations consisting of fruit juice‚ water‚ etc.‚ boiled with sugar 3. Pharmocology. A concentrated sugar solution that contains medication or flavoring.” This means that a syrup is a sugar and a liquid (most often water but can be fruit juice). A simple syrup is water and sugar boiled together until the sugar melts
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Vitamin C Introduction: The lab consists in determining the vitamin C concentration in a solution by a redox titration using iodine. Vitamin C (ascorbic acid) is a water-soluble‚ essential oxidant that plays a vital role in the protection of the body from infections and disease it is acquired from primary fruits and vegetables. With the use of different materials as natural orange juice‚ Tampico (chemical orange juice) and other solutions that contain vitamin C we will find the amount of vitamin
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The purpose of the first part of the experiment was to produce a chemical compound which was the alum crystals by using aluminum‚ potassium hydroxide and sulfuric acid. After the compound was present‚ the purpose of the second part of the experiment was to make sure that the compound that was formed in the first half of the experiment was actually alum. Some of the experimental techniques that were used in this experiment was filtration using the Büchner funnel vacuum filtration‚ recrystallization
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Fatty acids and glycerol are the sub unit of most lipids. In the synthesis of a fat or oil three fatty acid molecules combine with one molecule of glycerol to form a triglyceride. Triglycerides make up about 95% of all dietary fats. This is formed by condensation (water is lost). Triglycerides are the chemical form in which most fat exists in food as well as in the body. They’re also present in blood plasma and‚ in association with cholesterol‚ form the plasma lipids. Fig 1.0 shows
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TABLET FRIABILITY METHOD 1. 10 tablets of mefenamic acid was selected and weighed. 2. All tablets was placed into the drum of the tablet abration and friability tester. The rate of rotation was set up at 25 rpm for 10 minutes. Then‚ operation was started. 3. At the end of the operation‚ all tablets was removed. The tablets was cleaned from dust using brush and reweighed again. The percentages loss of weight was determined. RESULT Initial weight of tablets = 5.8315g After operation =
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