Experiment #1: Carbohydrate Digestion • Tube 1 Digestion Lab – 3 ml water • Tube 2 – 3 ml 0.2% amylase • Tube 3 – 3 ml 0.2% amylase + 10 drops of 1.0M HCl • Tube 4 1 2 4 3 – 3 ml 0.2% amylase – place in hot water bath for 5 min Experiment #1: Carbohydrate Digestion • Add 5.0 ml starch solution to each tube • Incubate in 37°C bath for 1.5 hr • Divide contents of each tube evenly into 2 tubes – Lugol’s Test – Benedict’s Test Experiment #1: Carbohydrate
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The first issue is regarding the effectiveness of an NGO and their volunteers and leaders‚ who are typically outsiders to the community. How well and how much do the NGO involved know about their clients‚ and indeed‚ is there a need to know every aspect of a community in order for effective aid? On another note‚ how can we measure an NGO’s performance‚ and should we do so using quantitative methods in the first place? How true is the economic mandate that one does not spend others’ money as carefully
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Name: Allison Bynum Date:6/17/14 Exp 8: Ionic Reactions Lab Section: 75426 Data Table: Record your observations in the following table Na3PO4 NaI Na2SO4 NaCl NaHCO3 Na2CO3 NaOH Co(NO3)2 Created a musty looking cloud that later turned dye to a purple shade No change‚ brought out pink very slightly No change No change Created a cream looking liquid‚ did not mix with pink substance Darkened color‚ changing to more of a purple tint as time passes on. Immediately turned
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Speed Limiting Devices Criterion D Assessment A governor may be a speed-sensing device on Associate in Nursing engine that serves to take care of constant speed in revolutions per minute (rpm) among the look power rating of a ICE. to regulate Associate in Nursing engine means that to stay it running at a desired speed‚ either with‚ or notwithstanding‚ the changes within the load carried by the engine. A governor might also serve to limit the high- and low-idle revolutions per minute of the engine
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when two aqueous solutions are mixed. 3. Write the chemical equation‚ the ionic equation‚ and the net ionic equation for metathesis reactions. 4. Identify unknown compound‚ experimentally‚ based on solubility‚ temperature‚ and crystallization. Reagents and Media: 1.0 M sodium acetate 1.0 M sodium acid 1.0 M sulfuric acid 1.0 M sodium hydroxide Ice 0.1 M lead nitrate 0.1 M barium chloride 1.0 M cadmium chloride
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Back Laboratory Program SAFETY IN THE CHEMISTRY LABORATORY 786 Pre-Lab Extraction and Filtration 790 1-1 Mixture Separation 792 1-2 Water Purification 794 3-1 Conservation of Mass 798 4-1 Flame Tests 801 Pre-Lab Gravimetric Analysis 828 13-1 Separation of Pen Inks by Paper Chromatography 830 13-2 Colorimetry and Molarity 834 14-1 Testing Water 838 804 7-1 Separation of Salts by Fractional Crystallization 806 7-2 Naming Ionic
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LAB REPORT FOR EXPERIMENT 3 COPPER CYCLE OLANREWAJU OYINDAMOLA TUESDAY 27TH February 2013 Abstract This experiment is based on copper‚ to synthesize some copper compound using Copper (II) nitrate solution to obtain copper metal at the end. Changes of copper complexes when various are added and filtering out the precipitate by using Buchner funnel for vacuum filtration .The experiment started with preparation of copper (II) hydroxide and addition of copper oxide then addition of droplets
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needed to do a full reaction. This was calculated through stoichiometry calculations: Molar mass was first calculated for CaCl2*2H2O Ca = 40.078g Cl2 = 35.453g*2 = 70.906g 2H2 = 1.00794g*4 = 4.03176g 2O = 15.9994g*2 = 31.9988g 40.078g + 70.906g + 4.03176g + 31.9988g = 147.01456g or 147.0 g CaCl2 1g CaCl2 * 2H2O x (1 mol CaCl2 *2H2O/147g CaCl2 *2H2O) = 0.0068 mol of CaCl2*2H2O Molar mass was then calculated for Na2CO3: Na2 = 22.9898g*2 = 45.9796g C = 12.0107g O3 = 15.9994g*3 = 47
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concentration to titrate. Using a 25cm3 pipette‚ washed out with some of the NaOH solution‚ transfer 25cm3 of the solution to a 250 cm3 volumetric flask‚ and fill to the line with distilled water. The alkali will now have a concentration of 0.1 mol dm-3. • In the titration‚ the NaOH will be in the burette‚ and will be titrated into HCl in a conical flask: NaOH (aq) + HCl (aq) NaCl (aq) + H2O (l) • The reaction is 1:1 between NaOH and HCl‚ so a solution of 0.2 mol dm-3 should be used. • Rinse a 25cm3
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TEXT BOOK OF BIOCHEMISTRY For 2nd year Medical Laboratory Technician Course (INTERMEDIATE VOCATIONAL) Author : S. Srinivasa Rao‚ B.Pharmacy‚ Jr. Lecturer in M.L.T.‚ Alluri Sri Rama Raju Govt. Junior College‚ Shanthi Nagar‚ Khammam. Editor : S. Kamalakar Rao‚ M. Pharmacy Senior Lecturer in Pharmacy‚ Department of Biotechnology‚ Govt. institute for post diploma courses in engineering and technology‚ Ramanthapur‚Hyderabad. INDEX Chapter I. Page No. Instrumental methods of Biochemical
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