better at removing impurities. Experimental For this extraction experiment two bags of tea were used‚ which is approximately 4 grams of tea. Water was heated in a small beaker until it began to boil. It was then removed from heat and 2 grams of Na2CO3 was added and dissolved. Finally the loose tea was added to the water and allowed to steep for 5 minutes. After 5 minutes the mixture was put through a suction filtration. A suction funnel was secured on top of the suction flask with the vacuum
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Introduction In this coursework I will be talking about the experiments‚ which I have done over two weeks. This gave different results by using different concentrations of hydrochloric acids (HCl) and indigestion relief tablet. I will also mention the time which was taken in the experiment‚ to see how fast the hydrochloric acid took with indigestion tablet with different concentrations. Indigestion tablets are alkali and they are used for to neutralise the excess acid in the stomach. Indigestion
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PURPOSE: To see which solutions are soluble and which are not. We were able to see this by mixing certain solutions together and observing changes that occurred. PROCEDURE: 1 Cotton Swabs‚ 1 Sheet each of white and black paper‚ 1 Distilled water‚ Goggles-Safety‚ 1 Well-Plate-24‚1 Well-Plate-96‚ Bag-CK1 1 Pipet‚ Empty Short Stem‚ Experiment Bag Ionic Reactions 1 Barium Nitrate‚ 0.1 M - 2 mL in Pipet‚ 1 Cobalt (II) Nitrate‚ 0.1 M - 2 mL in Pipet1 Copper (II) Nitrate‚ 0.1 M - 2 mL in Pipet‚ 1 Iron
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Abstract The photocatalytic degradation of phenol has been tested primarily with titanium dioxide (TiO2) either alone or in combination with other materials. In this work‚ Mg/Al hydrotalcites prepared by two methods using inorganic (HC) or organic (HS) chemical reagents‚ along with mixed oxides produced by calcination of these products (HCC and HSC) were mixed with titanium isopropoxide to obtain hydroxide-TiO2 compounds (HCC-TiO2 and HSC-TiO2) to test their photocatalytic activity compared with
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we used 5/1 instead of 1/5 as the molar ratio‚ then we will get this answer. Subchapter – Moles‚ Molecular Weight 23. A sample of soda ash contains 50% Na2CO3 (106 g/mol) by weight and the other 50% are inert substances. What mass of CO2 (44 g/mol) is formed when 11 g of the soda ash reacts with excess HCl according to the reaction below? Na2CO3 + 2 HCl → 2 NaCl + H2O + CO2 A. 4.6 g B. 242 g C. 2.3 g D. 5.5 g Correct Answer – C: 2.3 g Explanation: C: 2.3 g To calculate for the amount
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HYDROXYLATION OF PROGESTERONE BY Bacillus circulans Strain Tex 01-S3c ISOLATED FROM OIL CONTAMINATED SOIL IN OMERGA REGION‚ MAHARASHTRA‚ INDIA S. B. MALI & V.S. HAMDE Dept. of Microbiology‚ Adarsh College‚ Omerga Dist. Osmanabad‚ 413606 malisiromerga@yahoo.com and Dept. of microbiology‚ Yogeshwari College‚ ambajogai‚ Dist. Beed. Maharashtra‚ India Abstract Hydroxylations are possibly the most widespread type of steroid bioconversion. Hydroxylations can be used to buildintermediates
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Procedures: Label one closed micro test tube +PGLO and another –PGLO. Label both test tubes with your groups name. Place them in the foam tube rack. Open the tubes and‚ using a sterile transfer pipet‚ transfer 250 ul of transformation solution (CaCL2) into each tube. Place the tubes in the ice. Use a sterile loop to pick up 2-4 large colonies of bacteria from your starter plate. Select starter colonies that are “fat” (ie:1-2 mm in diameter). It is important to take individual colonies (not a swab
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Laundry detergents are found in every household and used for removing stains and oils from clothes so they could be reused. The production of this invention first started in the United States in the 1930s but started becoming very popular only after the Second World War because the military required a chemical to remove the dirt and oil off their military outfits (Clean Living). Laundry detergents have a combination of chemicals which combat different barriers to clean the fabric. They have different
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Salmonella enterica (#11) Gram Negative Organism | CarbohydrateFermentation(PRL) | CarbohydrateFermentation(PRG) | Indole productionTest | MethylRed Test(MR) | VogesProskauer Test | Citrate Utilization Test | Hydrogen sulfide Test | Urease Test | CatalaseTest | Salmonellaenterica | (-)Red color | (+)YellowColor | (-)No red ring | (+)RedRing | (-)No pink | (+)Blue With growth | (+)Black PrecipitateVery motile | (-)No change in color | (+) | The unknown organism (#11) was Salmonella
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Immobilization of Enzymes And Their Applications By‚ Shudhangshu Shekhar Kundu Introduction: What an enzyme? Enzymes are protein molecules‚ which serve to accelerate the chemical reactions of living cells (often by several orders of magnitude). Without enzymes‚ most biochemical reactions would be too slow to even carry out life processes
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