In part A‚ solutions needed in the experiment were prepared‚ and the LabQuest was set up. By adding 100mL 6M HCl to 200mL deionized water‚ 300mL of 2M HCl solution was prepared. Then 150mL 2M NaOH solution was prepared by adding 100mL 3M NaOH to 50mL deionized water. Finally‚ the LabQuest was connected to the temperature probe‚ and set up to collect data every 15 seconds‚ the duration was set to be 180 seconds. In part B‚ three reactions were performed. In reaction 1‚ two Styrofoam cups were stacked
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tomb (TT277) from the 19th dynasty (c. 1293-1185 BC) (Fig. 1) which belongs to Amenemonet (the divine father of the temple of King Amenhotep III) at Qurnet Murai necropolis‚ western Luxor (about 670 km south of Cairo). Fig. 1. View of the wall decorations of the tomb of Amenemonet (TT 277)‚ Qurnet Murai necropolis‚ Luxor. 2.2. Visual observations Preliminary observations on the samples were per- formed using an Olympus SZ-40 stereomicroscope (10 and 20 objectives) equipped with an Olympus DP10 digital
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a vacuum filter was used to filter out the whey. These proteins were then air-dried. A qualitative test was done to indicate that the sample extracted was the protein whey. Again‚ a small test tube was used and 2 mL of protein test solution was put in the tube. Five drops of 10% NaOH and 2 drops of 0.5% CuSO4 were added to this tube. If a purple color showed‚ it would indicate there was protein in the test tube. In the third separation of this experiment‚ the hood in the lab was used. The curds were
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Effect of oxidant [ NMPO] = 1.00 X 10-2 M [ AcOH ] = 100 % [PCC] = 1.127 X 10-3 M Temperature = 35 0 c Time Secs. Titre ml Log titre 270 5.4 0.7324 570 4.8 0.6812 900 4.3 0.6335 1205 3.8 0.5798 1465 3.5 0.5440 1640 3.2 0.5051 1885 2.9 0.4698 r = 0.999 k = 3.58 X 10-4 . sec-1 Sd. = 2.19 X 10 -3 Run – 4 Effect of oxidant [ NMPO] = 1.00 X 10-2 M [ AcOH ] = 100
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success: the essential goal of the firm growth and profits wants to be both mkt objective and financial objective and they should make everybody happy (shareholders‚ workforce‚ suppliers..). Unfortunately meeting this 2 objective is not easy and usually mkt planning has to choose between this 2 key measures of the success‚ for instance if prices are cutted‚ growth goes up but profits margins goes down‚ so in taking mkt decisions managers have to balance growth and profitability. Every mkt decisions have
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1.TITLE: To prepare isopentyl acetate (isoamyl acetate) 2. AIM: To make an ester referred to as banana oil from acetic acid and isopentyl alcohol 3.THEORY: This ester is often referred to as banana oil‚ since it has the familiar odor of this fruit O O CH3 H+ CH3 CH3C OH +
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. Yes‚ comparably to TLC plate 2 and 3. The benzophenone is more neutral but as the same time its nonpolar‚ being that Silica gel in TLC 2 was polar and the solvent ethyl acetate-hexane is non-polar it moved relatively with the solvent. The stationary phase in TLC 3‚ alumina is non polar and the solvent ethyl acetate is polar so from the ideal that polar does not attract non-polar benzophenone stick stronger to alumina non-polar rather than moving up with polar solvent ethyl acetate as it did in
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Real or Fake Reality TV Out of many TV shows‚ there is an extensive number of reality TV shows. For example‚ the most common are American Idol‚ The Bachelor‚ and Big Brother. These reality shows impact our lives both positively and negatively. According to Cynthia Frisby‚ “reality shows are just new shows that promise more drama‚ suspense‚ and laughter while constantly pushing the strings on what is morally and decently acceptable.” Reality TV shows craft opportunities for normal but talented people
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Introduction: The purpose of this lab was to learn how to use salicylic acid to make aspirin. Aspirin is the most widely used over-the-counter drug in the world. The average tablet contains about 325 milligrams of acetylsalicylic acid with an inert binding material such as starch. Aspirin is used to relieve pain‚ reduce inflammation‚ and lower fever. Aspirin originally was derived by boiling the bark of the white willow tree. Although the salicin in willow bark has analgesic properties‚ purified
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Introduction The purpose of this lab is to synthesize Lidocaine from 2‚6-dimethylaniline‚ using diethyl amine‚ 2-chloroacetyl chloride‚ acetic acid‚ and toluene. The Lidocaine was made by adding 2‚6-dimethylaniline to 2-chloroacetyl chloride in acetic acid. Sodium acetate is added in order to make the compound soluble. The product is dried‚ then treated with diethyl amine and toluene. This is refluxed using a water-cooled reflux condenser. The vapor is condensed by the cold water as the compound
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