CHEM XXI Project Report Worksheet (4 pages max.) Experiment title: How Do We Identify an Unknown Substance? Guiding questions: State the question or questions that that you were trying to answer in this lab. How do you determine the two unknown types of plastic? What are the two unknown plastics? Safety considerations: Briefly describe the safety measures you had to take to perform the experiments. Before entering the lab‚ I put on my lab coat and practiced using
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To perform the experiment‚ first the calorimeter was filled with 100 mL of water using a graduated cylinder‚ and the temperature of the water was found and recorded. Next‚ the beaker was filled 3/4 full with water and placed on the stand of the ringstand above a gently burning
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Introduction In this experiment I aim to find out if caffeine has an effect on the heart rate of daphnia. Daphnia are water fleas that have a sort of heart that we can see in magnification. We can count the number of heart beats in a minute of a regular daphnia and try and get a new one with the same specifications as the old one that may have died. It is also a good idea to get a new one as we want to see how much it affects it from ordinary instead of adding the caffeine one after another
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Use the words to match the function of the following organelles. |M___ Membrane separating the contents of the nucleus from the rest of the cell |a. cilia | |J___ Protein synthesis |b. microtubules | |L___ Helps in animal cell division |c. lysosomes | |E___ Contains DNA
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Settled a shareholder class-action suit for $457 million. SEC fined ArthurAndersen $7 million. Fun fact: After the scandal‚ new CEO A. Maurice Meyers set up an anonymous company hotline where employees could report dishonest or improper behavior. Enron Scandal (2001) Company: Houston-based commodities‚ energy and service corporation What happened: Shareholders lost $74 billion‚ thousands of employees and investors lost their retirement accounts‚ and many employees lost their jobs. Main players: CEO
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Wal-Mart Group Case Study Team A Westley Bisson‚ Leah Bond‚ Ken Chrapkowski‚ Lisa Cochran‚ Christopher Cooper MGMT560PA – Ethics in a Global Marketplace June 17‚ 2012 Dr. Roger Fuller Southwestern College Professional Studies Wal-Mart Group Case Study Team A’s paper will provide an in-depth review of Wal-Mart’s ethical challenges at home and abroad along with how Wal-Mart continues to make corporate social responsibility a priority in its business across the globe. The teams review begins
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Are you looking for a fun experiment that you can perform for a psychology class? This experiment on gender and memory is relatively quick and easy to perform‚ which is a bonus if you are short on time and resources. Could gender differences play a role in short-term memory? We often hear women complain that their husbands can’t remember important dates like anniversaries or birthdays‚ but could this phenomenon be due to something like memory differences between men and women. Some previous research
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The importance of following orders in a time of war. 1. Team member 2. Discipline 3. Causalities Conclusion: Following Orders in the Armed Services in a Time of War By: Pv2 Beasley Imagine being in an authoritative position in a war. Sounds cool right? Now imagine if your subordinates didn’t follow the orders you put out to them
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Title Antimicrobial properties in different type of plants. Introduction A substance that kills or prevents the growth of microorganisms for example bacteria‚ fungi or protozoans is called an antimicrobial. This substance has 2 major roles which are to either kill microbes (microbiocidal) or prevent the growth of microbes (microbiostatic). Disinfectants are antimicrobial substances used on non-living objects outside the body. This substance included antibiotics‚ antifungals‚ antiprotozoals and
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Design of a Psychological Experiment Psyc 100 (0110-0129) Fall‚ 1996 Dr. Sternheim Report #1 (10 points) Problem: Suppose you are a psychologist who is interested in the effects of caffeine on the eye-hand coordination of students enrolled at UMCP. Design an experiment to test the hypothesis that caffeine enhances a student’s ability to hit a baseball. Describe your experiment by answering the following questions: 1) What are the independent and dependent variables? The independent variable
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