Proving the Beer Lambert Law Abstract: For this experiment we tested the absorbency of copper sulphate in different concentrations to prove the Beer Lambert Law. Introduction: This Law: Provides an experimental link between the absorbance properties of a solution of a given compound and its concentration. This is normally expressed as . A = Absorbance measured = Absorptivity C = Molar concentration L = Length of cuvette Equipment: • Gilson pipette • Eppendorf tubes • Copper sulphate
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PART I: SCENARIO 2: 1.Purpose- Why does the moon appear to change over the course of the month? Research-Position of the sun‚ Earth‚ and moon at different times of a month Hypothesis-Relationship of the sun‚ Earth‚ and moon create shadows on the moon Experiment-Light bulb represents sun‚ large beach ball represents Earth‚ and small foam ball represents moon 2.The three variables Lizzie can control are the rotation of the Earth and moon
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You have 90 minutes to write 4 essays. Since each essay is of equal value (10 points)‚ divide your writing time equally. Plan to use 22 minutes per essay. Divide that time into three segments: 3 minutes to read‚ think about‚ organize and outline the question; 17 minutes to write the essay; and 2 minutes to read and edit the essay. • Read each question thoroughly. Be sure that you understand all parts of it. • Outline each answer on your green sheet to help you organize your thoughts and to help
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The disadvantages of smoking Smoking is one of the worst things kids and adults can do to their bodies. But it is widespread in China‚ even some of the high school students are smoking now. I think we should tell more people about the effects of smoking. Here are some disadvantages which I have seen‚ read‚ or heard about smoking before. Smoking affects your own bodies’ health. In my family‚ my dad and most of my uncles smoke. It has been almost 20 years since they have started smoking. This
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What actually is the aim of learning engineering ethics? And is that only mean by having the master standard of professional conduct specified in the major engineering codes of ethics? Are there any problems for organizations to let engineers learning ethics and following the codes? To answer these questions‚ let’s just identify what is the meaning of ’codes of engineering ethics’. They are codes that adopted by government or some organization like ’ECUK’ to regulate the behavior of engineers and
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Q&A Related to "Essay for Advantages Disadvantages of Computer..." how to write an advantages and disadvantages essay? 1. Choose a topic you can write easily. For example‚ writing an advantage and disadvantage essay about wearing a bike helmet‚ shopping the day after Thanksgiving‚ or renting movies http://www.ehow.com/how_2103639_write-advantages-d... how to compare the advantages & disadvantages of computers? 1. Look at the processing power of the computers. This number is expressed in
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Title: Do heavier objects fall faster than light objects? Aim: To observe whether a heavier or lighter object would fall first. Background Information: Gravitation or gravity is a natural phenomenon by which all physical bodies attract each other. It is more commonly experienced as the agent that gives weight to objects with mass and causes them to fall to the ground when dropped. The larger an object is‚ the greater the force of attraction will be. It was Italian scientist Galileo Galilei
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The Effect of Alcohol and Caffeine on the Water Flea: Daphnia Magna Kristoffer Osuntuyi Daphnia Magna Abstract: In this experiment I will find the base heart rate of each water flea. The base heart rate is the control in my experiment. The variables in the experiment are alcohol and caffeine. After finding the control of the first flea I will surround it with alcohol. The second flea will go through the same process as the first flea did‚ except the variable will be caffeine. The purpose of
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PST202G/201/3/2013 COLLEGE OF EDUCATION Department of Science and Technology Education TEACHING NATURAL SCIENCES SEMESTER 1&2 TUTORIAL LETTER 201/3/2013 EXAMINATION GUIDELINES PST202G/201/3/2013 TABLE OF CONTENT 1 1.1 Admission to the exam 1.2 The exam paper –‚ duration‚ marks and format 1.3 Exam preparation 1.4 In the examination hall 2 The exam - success or failure 3 Assignments 4 2 The examination Conclusion Dear Student Thank you for the hard work that you put into the
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must stop smoking. This essay will detail the disadvantages holding you back while you continue to smoke‚ as well as the benefits of quitting. Darrael Robinson How many times have you said this to yourself? I must stop smoking. This essay will detail the disadvantages holding you back while you continue to smoke‚ as well as the benefits of quitting. Darrael Robinson The Disadvantages of Smoking Cigarettes and the Advantages of Quitting The Disadvantages of Smoking Cigarettes and the Advantages of
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