Classification for Functional Groups Alcohols Lucas test (Differentiates primary‚ secondary‚ and tertiary alcohols) Reagent: ZnCl2 in conc. HCl Observation: Rate of reaction (tertiary alcohol> secondary alcohol> primary alcohol) Procedure: 2mL Lucas Reagent in test tube+ 3-4 drops of alcohol‚ stopper‚ shake vigorously‚ NOTE time required (less than 10m mins only) to form an emulsion or separate layers. Oxidation (Confirms if alcohol is oxidizable: presence of H in C-OH bond) Reagent:
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the calculations in questions 1 and 2. These can be added at the end of this document (see Calculations Section). Complete the yellow shaded regions in the document below. Question #1 Antacid Volume NaOH used in back-titration (mL) Volume NaOH used in back-titration (L) Moles NaOH used in back-titration Maalox 24.1 mL Tums 22.4 mL Mylanta 20.0 mL CVS 19.9 mL Rennies 24.4 mL Based on the values you calculated above‚ which antacid is the strongest / weakest
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Protein Hydrolysis and Characterization Group 7 Niez‚ Robert Francis‚ *Orbin‚ Alfonso Ricardo* Parro‚ Athena Emmanuelle Peralta‚ Christian Department of Biological Sciences‚ University of Santo Tomas‚ Manila‚ Philippines • Abstract Hydrolyzed Protein is protein that has been hydrolyzed or broken down into its component amino acids. While there are many means of achieving this‚ two of the most common are prolonged boiling in a strong acid (acid-HVP) or strong base or using an enzyme such
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Experiment II. Separation Of a Sample Mixture By Liquid-Liquid Extraction Reading assignment: Techniques in Organic Chemistry 2nd ed pages 75-99. 3rd ed pages 113-140. Topics and Techniques i) identification of solvent layers of two immiscible solvents ii) partioning of a compound between two immiscible solvents and determination of KD iii) liquid-liquid extraction with aqueous acids and bases with organic solvents. iv) use of drying agents Introduction Liquid-liquid extraction is a method
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20.28% HCI 2 8*10-4 M 2.64 3.09 17.04% HCI 3 3.2*10-5 M 3.38 4.49 24.72% HCI 4 1.3*10-6 M 5.85 5.88 0.51% Bases Concentration of base after dilution Experimental pH Theoretical pH % error NaOH 1 2*10-2 M 11.42 12.31 7.15% NaOH 2 8*10-4 M 9.64 10.91 11.55% NaOH 3 3.2*10-5 M 8.68 9.50 8.63% NaOH 4 1.28*10-6 M 7.98 8.10 1.48% Combined Concentration of acid and base after combination Experimental pH Theoretical pH % error 1 2*10-2 M 6.91 7 1.28% 2 8*10-4 M 6.04 7 13.71% 3 3.2*10-5
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SEMI – MICRO QUALITATIVE ANALYSIS OF SIMPLE INORGANIC SALT _______________________________________________________________ CATIONS: Pb2+ ‚Hg2+ ‚Cu2+ ‚Cd2+ ‚ Ag+ ‚ Fe2+ ‚ Fe3+ ‚ Al3+ ‚ Zn2+ ‚ Mn2+ ‚ Co2+ ‚ Sr2+ ‚ Ba2+ ‚ Mg2+ ‚ NH4+ ANIONS: CO32- ‚ S2- ‚ SO32- ‚ SO42- ‚ NO2- ‚ NO3- ‚ Cl- ‚ Br2- ‚ PO43- ‚ CH3COO- _______________________________________________________________ PRELIMINARY TESTS 1. Note the state (amorphous or crystalline) and colour of salt. 2. Test the solubility of the salt in
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supplied marketed dosage form. Apparatus and reagents: Test tube Mortar pestle Dilute HCl Disodium hydrogen phosphate NH4OH AlCl3 NaOH Cobalt nitrate Ammonium carbonate Preparation of the sample: Ten of marketed products (tablets/ capsule) is taken and crushed in mortar pastle. This powder is used as a sample through out the experiment. Sample is taken‚ then dilute HCl is
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ABSTRACTDuring my experiment‚ I have been investigating my research question: To what extent do white and brown eggshells differ in respect to percentage by mass of calcium carbonate content?Calcium carbonate is a substance found in the eggshells giving them hardness and strength. It is essential to the commercial egg industry that the biggest possible amount of eggs reaches the market. Hence‚ as calcium carbonate reacts steadily with hydrochloric acid to produce carbon dioxide as well as two other
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Chlorine in Photosynthesis Experiment Abstract Photosynthesis the means by which green plants and different types of organisms use light from the sun to synthesize foods from CO2 and H2O. Chlorine is a chemical element usually in the form of a yellow-green gas and is a strong oxidizing agent. Elodea is a type of aquatic plant also known as waterweed that is native to North America. In the experiment that took place‚ the effect of chlorine in the presence of photosynthesis reactions were studied
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First‚ the synthesis of the coordination compound‚ KaFeb(ox)cdH2O‚ needed to be carried out. This was achieved by weighing out 8.29 grams of K2C2O4 with a Dial-a-gram balance. Once measured‚ the 8.29 grams K2C2O4 were placed in a 125 mL Erlenmeyer flask. 25 mL of deionized water were then added to the 125 mL flask and stirred with the K2C2O4 until complete dissolution was achieved. Next‚ 4.11 grams of FeCl3 were weighed out using the balance previously mentioned. Once the 4.11 grams were measured
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