Introduction and Purpose: This lab focuses on how weight affects the time it takes for a rotocopter to fall from a drop height of 1 and 2 meter(s) respectively. The primary goal of this lab is to investigate and explain the relationship of these two factors. During the process of conducting this experiment‚ learning to design a lab will also be achieved. Research Question: What is the effect of weight on the time it takes for a rotocopter to fall from a drop height of 1 and 2 meter(s)? Variable
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to achieve this objective were also hot vacuum filtration in order to remove suspended solid impurities‚ and isolating the pure acetanilide. In the next lab‚ percent recovered was obtained through weighing the acetanilide sample as well as comparing its melting point range. In this experiment‚ the sample‚ acetanilide was weighted to be 1.523 grams. The sample appeared to be a pale mixture of brown flakes before it was crushed into small flakes. When boiling the sample with 25 mL of water over the
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successfully synthesis the reactant to the product‚ NaBH4 was used as the main reagent to reduce the carbonyl double bond. One believes the formation of isoborneol was successfully due to the product’s percent yield‚ IR‚ and melting point. During the lab‚ .077 grams of isoborneol was yielded from the camphor reduction. In result‚ .077 g compared to an theoretical yield of .102 g equaled an overall 75% percentage yield. Considering the product yield was only a quarter shy of a 100% yield‚ provides strong evidence
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Unknown Project I. Introduction The purpose to this lab was to isolate and identify two unknown bacteria from a mixed culture provided to us. This study was done by applying all of the methods that have been instructed on thus far in microbiology laboratory class. Each test performed‚ provided us with some key information about the unknown microbes in question . The identification of unknown bacteria is a time honored part of microbiology courses. It will challenge knowledge and skill in performing
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Research & Design in Psychology / G Faculty of Health‚ University of Canberra LAB REPORT COVER SHEET Instructions: 1. Complete these details and the declarations electronically. 2. Insert this sheet at the start of your lab report. 3. Submit the entire assignment‚ including this coversheet‚ as one file via the lab report drop-box on Moodle. 4. For more information‚ see Lab report guidelines. |STUDENT NAME:
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interface Non-linear springy objects (rubber bands) Two rectangular weights of ~0.5 kg each to change the mass of the system Procedure: The lab experiment was done in two parts. Part 1 of the experiment was done by 2 different methods. Method 1 was with a force sensor‚ springs‚ and a weight hanger in which masses of 100 gram increments were added (up to 600 grams). A force vs. displacement graph was created and the slope of the graph was recorded. By method 2 the force sensor was tare with a 1 kilogram
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Shave off pieces of potato until each core has a mass of 3.0 grams Fill each beaker with 100mL of distilled water at room temperature Measure out 0.2‚ 0.4‚ 0.6‚ 0.8 grams of salt Leave beaker one alone‚ place 0.2 grams of salt in the second beaker‚ place 0.4 grams of salt in the third beaker‚ place 0.6 in the fourth beaker‚ and place 0.8 in the fifth beaker Use the stirring rod to stir the distilled water and
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FST3202 Food Microbiology 2012/2013-1 Lecture 1. Introduction to Food Microbiology Prof. Madya Dr. Yaya Rukayadi Department of Food Science Faculty of Food Science and Technology Universiti Putra Malaysia Wednesday‚ 12-09-2012 BKTM-2 (10.00 – 12.00) FST 3202 – Food Microbiology Semester : 1 (2012/2013) Program : Undergraduate Student (prasiswazah) Credits : 3 (2-1) Class : BKTM 2 – Food 1 Day/Time : Wednesday‚ 10.00 – 12.00 Pensyarah : Prof. Madya
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Organic Lab Trial 1 Trial 2 Trial 3 Observations We added the 30ml of warm water with 4.7 grams of borax powder in to the cup labeled ‘Borax Solution’ and also added a few dots of green food coloring. We then stirred it until all the solutions were completely mixed. When this happened the borax and water turned into a watery green solution. then we added 15ml of glue in the cup labeled ‘Ball mixture’ and added the mixture we made
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compound 8. Bunsen burner 9. Gram scale 10. Mortar and a piston 11. Mixture of benzoic and Mandelic acid 12. Micro-spatula 13. Thiele tube 14. Thermometer 15. Watch-glass Procedure The melting point will be observed with the use of a Thiele tube melting point apparatus. Primarily‚ using a mortar and its piston‚ the benzoic acid is ground (crushed) into fined powder. Two milligrams of it is measured and placed into a watch glass by which grams scale. From that point‚ a capillary
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