Graduated Cylinder 7. Safety Goggles 8. Plastic Spoon 9. “Magic” Paper (c) Safety/disposal 10. Do not eat if allergic 11. Dispose butter milk into big jar (d) Procedure
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clean ice. As I grew and matured throughout the years‚ figure skating was always a constant throughout my adolescence. Every morning I would rise before the sun did‚ hoping to get in a few extra hours of practice before school. I had tunnel-vision goggles and skating was my one and only view. When friends would invite me over for slumber parties and giggles‚ I would have to be at practice. At my most
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If the electrolyte solution is highly concentrated‚ then the amperage productions will also increase and vice versa. In a galvanic cell‚ the amperage is generated from flows of electrons between the two metals in the metal sulfate solution of the electrolyte. In order for a chemical reaction to take place‚ the reactants must collide. The collision between the molecules in a chemical reaction provides the kinetic energy needed to break the necessary bonds so that new bonds can be formed. Thus‚ increasing
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1 stock solution‚ 50-mL ; Lens tissues ; Pipets‚ serological‚ 10-mL ; Sample of consumer sports drink‚ 10-mL ; Spectrophotometer ; Test tube rack Procedure: 1) Preeminently‚ follow all laboratory safety guidelines ensuring that you have safety goggles on at all times throughout the lab. 2) Fill the cuvette 2/3 of the way with water. 3) Select the appropriate wavelength on the spectrophotometer. 4) Place the cuvette in the spectrophotometer and click the calibrate button. 5) Put 5mL of stock
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Density 5. Describe how you will determine the volume of an irregularly shaped solid.- In a liquid 6. Describe how you will calculate density.- Mass/volume 7. In what periods can you find Pb‚ Sn‚ Si‚ and Ge?- Period 3 Materials: Safety goggles Apron Water 100 ml graduated cylinder Centigram balance Lead Silicon Tin Procedure: 1. Determine the mass of the samples to the nearest 0.01 gram. Record. 2. Fill a 100 ml graduated
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more people to meet customer demand. They now have 125 employees‚ 3 suburban branches‚ and annual revenues approaching $10 million. Overlooking their LAGOON‚ where employees try out new water gear (kayaks‚ swim fins‚ wet suits‚ racing suits‚ goggles)‚ Norton says to Kenny‚ “Maybe we are getting too old for this. I got the prototype for the new soccer gear‚ and the labeling looks funny to me.” Kenny frowns. Norton continues‚ “Some funny language. Maybe two. Looks like Spanish. Agua is water
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Commercial Bleach II. Purpose: III. Materials: Commercial bleach‚ 5% NaClO. (5 mL). Hydrochloric acid (HCl)‚ 3M. (6 mL). Potassium Iodide (KI). (6 g). Sodium thiosulfate solution (Na2S2O3)‚ 0.100 M. (70 mL). Starch solution 2%. (3 mL). Safety goggles Apron Digital scale Buret Buret clamp Erlenmeyer flask Pipet bulb Ring stand Ttransfer pipet‚ 5 mL and 25 mL Volumetric flask‚ 100 mL Stopper Wash bottle Distilled water Weigh boat Beakers‚ IV. Procedures: 1) Use the 5 mL transfer
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by the enzyme trypsin. Risk Assessment: RISK ASSESS CONTROL Trypsin solution‚ NaOH solution and HCl Solution The solutions are irritant to the skin and can be lethal is consumed. It can also be harmful if contacted with eyes. Wear safety goggles during use of solutions‚ if splashed onto skin‚ immediately rinse with cold water. Cuts from glass Cuts to skin when breakage occurs Immediately inform teacher and follow instructions to clear away glass Burns from heat Burns to skin from hot
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more reason why poaching is a horrific act. When poachers hunt elephants‚ they do not just kill them and leave‚ they torture them when they take the ivory. These poachers use high tech technology including “helicopters‚ GPS equipment‚ night-vision goggles‚ and automatic weapons to find and mow down elephants‚ then hack their tusks out with an axe—an atrocity often committed while the animal is still alive” (“Terror”). This would be extremely painful for these elephants and nothing is being done to
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reaction to take place. Also the people working on the preparation in large scale will have to be wearing full body protective suits as the chemicals involved are harmful in such large quantities‚ whereas in small scale you would be wearing a lab coat‚ goggles and possibly plastic gloves as there is less of the harmful chemical so less danger of damaging yourself or others. Next the ethanoic anhydride will be added‚ in large scale‚ it will be taken from a tank through a tube which will transfer the correct
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