Experiment 7 General Safety Considerations 1. 1-Butanol and 1-bromobutane are toxic and irritating. Avoid all contact by constantly wearing goggles‚ gloves and working in the hood. Neither of these compounds can be poured down the drain. Like all products‚ 1-bromobutane should be turned in to your TA in a labeled vial. Any excess butanol should be discarded in non-halogenated waste. 2. H2SO4 is extremely corrosive. In very diluted form it can be poured down the drain‚ all other precautions
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As the angle of incidence increases so will the angle of refraction (directly proportional). Apparatus: * Laser (Monochromatic light) * Rectangular Perspex * Ruler * Pencil * Paper * Protractor * Calculator Method: 1. Place your Perspex in the middle of a piece of paper. 2. Use a sharp pencil to draw its outline. 3. Remove the Perspex from the paper. 4. Use a protractor to draw the line that is normal from the long end of the rectangle. 5. Turn the
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The members in our group were Whitney‚ myself‚ and Charlotte. The title of this lab was “reaction types.” The purpose of this lab was to identify the reaction type‚ balance equations‚ and observe the reactions .Our hypothesis was if there was many stations with fire‚ then they’re would be many combustion reactions. The procedure of the first lab was to place a solid piece of magnesium metal in the bottom of the smallest tube. Place this test tube in the test tube holder. Using tongs pick up the
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Spirit Burner Experiment Aim: To perform an experiment in the labs to determine the heats of combustion of selected alcohols and then to use this information and the gathered data from chemical data sources to determine trends in the longer chain alcohols. The Variables that MUST be controlled throughout the experiment are: • The height from spirit burner nozzle to the base of the water filled beaker • Air drafts around the room must be kept to minimum so as to keep the heat on the base of the
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given crop? In our experiment‚ we examine the effects of water on corn. Corn is a vital crop to North America‚ and there is a wide draw to maximizing crop yields. To determine the effects of different amounts of water‚ we tested plants with various watering times according to a schedule. All of the plants experienced all of the same conditions‚ except for the quantities of water
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your soul carefully‚ lest you forget the things your eyes saw‚ and lest these things depart your heart all the days of your life. And you shall make them known to your children‚ and to your children’s children.” Deuteronomy 4:9. (USHMM) Were the experiments that the Nazi’s conducted on the Jew’s beneficial or detrimental to the advancement of science? I think to understand the question we must understand the why‚ of the situation. For example Dr. Fritz Klein’s response to Dr. Ella Lingens-Reiner
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HOOKE’S LAW EXPERIMENT Aim: The aim of this experiment is to determine the force constant (k) of the particular spring used. Introduction Hooke’s Law: Hooke’s Law is a law that shows the relationship between the forces applied to a spring and change in its length (extension). The relation is best explained by the equation: F= -k Δx F: Is force applied to the spring this can be either the strain or stress that acts upon the spring. k: Is the spring constant and details how hard
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Introduction The brain is one of the most complex machines to ever exist. Many experiments are conducted to try to learn more about the brain. Within the Bransford & Johnson experiment‚ their experiment focusing on the memory aspect of the brain. They focus on schema theory which was proposed by J. Piaget. Schema is the mental framework that helps interpret information by comparing new information to pre-existing knowledge. This study was conducted in 1972 by Bransford and Johnson. The aim of
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The aim of the experiment was to examine the effects that having a rich lipid diet had on the CHO and fat metabolism during the prolonged exercise. The data shows that at rest the body was in a heavy fat metabolism and when exercise started there was a shift of metabolism from fat to CHO. After thirty minutes‚ the metabolism shifted back to a primary metabolism of fat. Examining the data from this experiment to other studies showed a similar result. Frielander‚ Casazza‚ Horning‚ Buddinger‚ and Brooks
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ABSTRACT The study us experimenters re-conducted was based on Norman Triplett’s study of social facilitation and how social presence or encouragement improves an individual’s speed and consistency in their performance. The experiment was replicated in using several trials for accurate results and was split into two stages: a mental challenge and a physical challenge. The two male and two female participants ranged from ages 15 to 17 years old. For the mental challenge‚ each participant was pulled
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