Redox potential – CV Acetonitrile Adjusted sensitivity Each ;line represents diff scan rates all been overlayed on one digarm Scan rates ranged from 0 .1 s-1 to 1 Peak due to iodide oxidation is read from +peak to – peak bottom line. Iodide to triiodide Glycol Didn’t work Using equation ip = 2.69 ×105 n3/2 A D1/2 C ν1/2 compare to linear equation y = mx+c y = peak current x = V1/2 c = zero Therefore m is = everything else C = concentration 0.05 M ethylene glycol (acetonitrile
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THE WORK DONE BY A CONSERVATIVE FORCE ALWAYS HAS FOUR PROPERTIES: 1. It can be expressed as the difference between the initial and final values of a potential-energy function. 3. It is independent of the path of the body and depends only on the starting and ending points. 2. It is reversible. 4. When the starting and ending points are the same‚ the total work is zero. The total mechanical energy ME = K + U is constant. Object moving in a uniform gravitational field gravitational a
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which cell has the larger resting membrane potential? Explain. If the permeability to K is higher in A than in B‚ then the resting membrane potential (rmp) will be closer to the equilibrium potential in cell A‚ which means the rmp will be more negative in cell A than in cell B; or in other words‚ the potential difference will be LARGER in cell A. 2. Predict the effect of a reduced extracellular concentration of Na+ on the magnitude of the action potential in an electrically excitable cell. If there
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a free morning paper called the Metro. Metro started in Sweden targeting urban transit riders. Their sole means of dispersal was through the metro system; both on the trains as well as the platforms. Their main target markets were two-fold: employed readers with high income‚ as well as younger readers with disposable income. These are the two groups advertisers were eager to reach. The results were staggering. One analyst of the media‚ Alan Wilson‚ felt that Metro had single handedly changed the
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Potential Energy • Definition and Mathematics of Work • Calculating the Amount of Work Done by Forces • Potential Energy • Kinetic Energy • Mechanical Energy • Power An object can store energy as the result of its position. For example‚ the heavy ball of a demolition machine is storing energy when it is held at an elevated position. This stored energy of position is referred to as potential energy. Similarly‚ a drawn bow is able to store energy as the result of its position. When assuming
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UNIVERSITY ENTRANCE EXAMINATION PHYSICS Duration : 2 hours Please read the following instructions carefully. 1. This paper is made up of 50 Multiple-Choice questions and comprises ELEVEN (11) printed pages. 2. Do not write on the question paper. 3. Answer all questions and indicate your answers on the answer sheet provided. Marks will not be deducted for wrong answers. 4. Do not take any paper‚ including the question paper or unused answer sheets‚ out of the examination
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One of the major hazards that many communities have dealt with in the recent past is flooding. The Memphis metropolitan area is no different. In fact‚ The Memphis metro area dealt with severe flooding as recently as 2011. With this being said‚ the overall goal of mitigation is an important factor in the preparation and response to disasters such as these. That goal being‚ to create economically secure‚ socially stable‚ better built‚ and more environmentally sound communities that are out of harm’s
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PSYC 100 6380 Introduction to Psychology (2145) Class Project 06/20/2014 Faces in the Face of Death Soldiers in war zones often experience life-threatening events that put their lives at stake. The present study examined how these exposures shape soldiers’ social behavior‚ manifested by recognition of facial expressions. In addition‚ we investigated how explicit awareness of one’s eventual death affects sensitivity to facial expressions. Veterans of elite military combat units were exposed
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10 Rules of Crisis Management By Brian Ellis‚ EVP/Crisis Communications & whatcanbe Lab After 10 years in the news business and 20 years counseling clients how to stay out of headlines when a crisis strikes‚ I’ve developed 10 basic rules of crisis management. 1. Being Unprepared Is No Excuse. My father was an officer of the U.S. Army. Although I was never an active Boy Scout‚ their motto “Be Prepared” was drilled into my head at an early age. As I’ve toiled in this industry for the past two
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vocational class‚ they are certified! Metro Tech High School has a variety of programs to choose from nursing‚ banking finance‚ engineering‚ to a variety of programs. There are some that take two years to finish and there are some that take a year. How amazing would it be to be in high school while getting certified? Then‚ once they’re finished with school‚ they get to get a job in what they study for or continue to go to school and already have experience in it. Metro Tech High School is a great high
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