flask to cool and then poured 17 mL of the solution into a separatory funnel and the rest of the solution into the reflux apparatus. 2.5 mL of 1-butanol was added to the reflux apparatus along with a boiling stone. We then started the circulation of water and brought the mixture to a gentle boil for 75 minutes. After that time we allowed it to cool in an ice bath. We then transferred the solution to a 125 mL separatory funnel and allowed the phases to separate. The lower layer was drained and
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container and transported to blow out the flame. After the candles we got ping pong balls and we placed it in a funnel connected to a clean straw and blew into it. When we started blowing into the straw the ball just started to shake and it stayed inside the funnel. What happened with the ping pong ball was the total opposite of what I predicted because I though the air would blow it out the funnel but instead the air went around which demonstrated Bernoulli’s
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was then collected and weighted. A separating funnel was used to separate the kerosene from the mixture‚ the kerosene was then placed in a measuring cylinder and the loss of liquid was noted. The salt dissolved in water was evaporated to obtain a pure sample of salt; the salt was then collected and
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Department of biology Faculty of Science and Mathematics Universiti Pendidikan Sultan Idris LABORATORY REPORT SBT 1013: INTRODUCTION TO BIOTECHNOLOGY Semester 4 Sessions 2013/2014 ID NUMBER AND NAME 1. SITI NURFATINI BINTI MOHAMAD ROSLAN (E20131007560) 2.NURHAFIZAH BINTI SAMSUDDIN (E20131007584) 3.MUNIRAH BINTI HARON (E20131007556) 4.NORSYAWANI BINTI SUPIAN (E20131007577) LECTURER : CIK FATIMAH EXPERIMENT NO. : EXPERIMENT NO.1 TITLE : EXTRACTION OF DNA
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Epoxidation Reactions Lab Report 2 Abstract An oxygen atom is transferred from a peroxy acid to the carbon=carbon double bond thus forming an epoxide. Scheme 1. Oxone Epoxidation. Scheme 2. mCPBA Epoxidation. The percent yield for the Oxone epoxidation reaction was 65% yield and the mCPBA epoxidation reaction was 70% yield. Oxone is the greener alternative because using mCPBA is twice as expensive as Oxone and leaves behind the epoxide plus m-chlorobenzoic acid while Oxone creates non-toxic
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CHEM 163: SYNTHESIS AND ANALYSIS OF A COPPER(II) COORDINATION COMPOUND INTRODUCTION In this multi-week experiment‚ you will synthesize a compound and then analyze it to determine its empirical formula. The substance you will prepare is a vividly colored coordination compound of copper. Based on the reagents used in the synthesis procedure‚ you can assume that the final compound contains copper(II)‚ ammonia‚ sulfate‚ and water. In
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acetone 44ml Place 100g of calcium hypochlorite in a mortar and add 250 ml of water in small quantities at a time: between each addition grind the mixture of bleaching powder and water well together and decant the cream-like suspension through a funnel into a 1-litre flat-bottomed flask. Finally‚ when all the water has thus been used‚ only a gritty residue remains in the mortar. Fit the flask with an efficient reflux water-condenser‚ pour 44ml (35g) of acetone in small quantities‚ at a time‚ down
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bags were used in the experiment; tea leaves were weighed having 8.5333 grams. The leaves were boiled in a beaker with 150ml of water; the aqueous tea extract was transferred in a seperatory funnel mixed with DCM (20ml)‚ done thrice. The DCM layer was washed with 20ml 6M NaOH in the seperatory funnel; the organic layer was dried with anhydrous Na2SO4. The dried organic layer turned into crude caffeine was purified in a sublimation set-up. A capillary tube was used to insert the pure caffeine
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Materials: - Beaker almost full of water - Pondweed - 60 watt Lamp - Ruler - Stopwatch - Short-stemmed Funnel - Test Tube -paper clip -pure CO2 Method: 1. First clip that end of the pondweed that was not cut. 2. Then place a short-stemmed funnel over some pondweed in a beaker of water. Add pure CO2 to the beaker of water. 3. Fill a test tube with water and place it upside-down over the funnel stem. 4. Place the 60watt lamp at these distances away from
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How is life sustainable in volcanic vents under the ocean or 7‚200 feet below sea level? As unlikely as it sounds‚ even today scientists are discovering new creatures that have adapted to survive in their extreme habitat. Animals are specially suited to live according to the conditions of their environment. Life under the sea is difficult making the adaptations of ocean dwellers vital to their continued existence. Invertebrates like squid‚ jellyfish‚ or crabs use their unique adaptations that provide
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