Monday, December 23, 2019

My Thoughts On Magic, Science, And Religion - 849 Words

One of the first things that persuaded me to take this class was the interesting name: â€Å"Magic, Science, and Religion†. It seemed like a very whimsical class, and since I have never taken any anthropology class before, I decided to give it a shot. My thoughts on magic, science, and religion, have definitely changed from before I even took this class to now, after all the material has been presented. My academic career so far has been in the science and engineering field, so I was most familiar with the science aspect of this class. Throughout this essay, I will explain my initial thoughts about the terms, magic, science, and religion, and how they changed throughout the course. Then, I will discuss my final understanding of these terms and also why the course is named the way it is named. To begin with, I will start with what I first thought about the terms, magic, science, and religion. I first understood magic as something that was an act of illusion, used to trick or en tertain other people. Having seen YouTube videos and live shows of magicians performing magic tricks, and seeing a live hypnotist hypnotizing audience members, I thought I knew everything about magic. I believed that they were always just an illusion, and its main uses were for entertainment purposes. I also confused magic with voodoo, something I saw in the television series, The Vampire Diaries. In one particular episode, someone who is considered a witch summons someone who is dead and allows him to beShow MoreRelatedHistory Of Religion Collapsed Into Agnosticism1689 Words   |  7 PagesThere wasn t one particular moment that I lost my faith; no one died, I had no epiphany. It took years of suspicion, snowballing as I grew older, until finally my concept of religion collapsed into Agnosticism. The whole situation reminds me of the Great Santa Revelation of Third Grade, just on a much grander scale. I was born and raised Catholic... to a degree. We only really went to church as a family on Christmas and Easter, maybe a few other holidays throughout the year to curb the guilt. IRead More1.) â€Å"Multiculturalism† Is The Co-Existence Of Diverse Cultures,2012 Words   |  9 Pagesof such actions. For example, growing up in a Mexican family my siblings and I were only thought Mexican traditions such as â€Å"Dia de los muertos, navidad ( the birth of Jesus) , el rorro (a lullaby for the new born Jesus Christ), las posadas, los Reyes magos, dia de los inocentes (Mexicans play jokes pranks on friends and family members), etc. By attending school in the United States I quickly learned the American culture and so did my family. As I got older and I started to understand these traditionsRead MoreThe Incredible Mind of Sir Isaac Newton1664 Words   |  7 Pageswas an instrumental figure to the rise of modern science. Through his incredible mind, he was able to usher in a new age of science that revolved around logic and reason. He had redefined natural philosophy at the time and had enlightened the world with his mechanistic world view. However, Newton was not exactly as dedicated to logic and reason as many would like to think. Newton not only spent a significant amount of his time in the occult sciences such as alchemy, but was a deeply religious individualRead MoreEssay about Witchcraft, Magic and Rationality2265 Words   |  10 PagesWitchcraft, Magic and Rationality Social Anthropology seeks to gauge an understanding of cultures and practices whether they are foreign or native. This is achieved through the studying of language, education, customs, marriage, kinship, hierarchy and of course belief and value systems. Rationality is a key concept in this process as it affects the anthropologist’s interpretation of the studied group’s way of life: what s/he deems as rational or plausible practice. 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The soul, or mind, depending on your level of belief, was a complete and separate entity and was the center of a human being. The body was an ambulatory device that the soul directed. The idea that the mind is a separate entity and that it is independentRead MorePersonal Essay: The Purpose of Life, Religion and Other Sources1619 Words   |  7 Pagestherefore as a result creating hundreds of religions with different beliefs. Although we may never answer the question of our existence, we try to merge our past experience and basic knowledge to create a reasonable answer. Although Religions are diverse around the world, what they all have in common is they all provide hope that something lies beyond death, and they also provide wisdom for those currently living on earth. With the combination of philosophers, religions, and wisdom, we have witnessed differentRead MoreScience Vs. Religion : Harmony Within Discord1539 Words   |  7 PagesScience vs. Religion: Harmony within Discord Sebian Martinez-Escobar UC Mercedâ€Æ' For as long as mankind has had the curiosity to gaze at the stars, we have been constantly questioning our origin and place in the universe. From simple, yet elegant solutions (like our world being on the back of a large tortoise) to the more complex pantheons of gods and heavens, humanity’s dedication to classifying and comprehending our universe has enabled us to weave rich and complex mythologies and beliefs. HoweverRead MorePhysician and Hippocratic Corpus Hippocrates820 Words   |  4 PagesHippocratic Oath has religious background in it. Hippocrates is particularly known for the denial of religious influence in medicine. Before Hippocrates time, practitioners would use spiritual healings based on magic and ritual. Hippocrates based medical practice purely on rational thought through the use of observation and reason. This point is also repeated through primary and secondary sources. Hippocrates was the first to denounce the ideas of myth and superstition in medicine. All HippocraticRead MoreDurkheim s Vision Of Religion1604 Words   |  7 PagesReligion is one of the biggest functions in our society. (Kabamba, September 23) Religious rituals are also taught from the time one is born. Religion does not have to be one specific sect or group of people but religion is defined by the beliefs of the people and their ideologies. Beliefs in this day and age range on a continuum from having a God or higher being who is in charge of their lives to the other end of that continuum that there is no belief in a higher powe r or God. Emile Durkheim’s

Sunday, December 15, 2019

H202 Decomposition Free Essays

Hydrogen Peroxide Decomposition Reaction Kinetics Purpose: In this experiment, you will determine the rate law and activation energy for the iodide-catalyzed decomposition of hydrogen peroxide. Overview: The decomposition of hydrogen peroxide is catalyzed by iodide according to the following reaction: 2H2O2 (aq) [pic] 2H2O (l) + O2 (g) The speed of the reaction is determined from the reactants being consumed or from products that are being formed. This must be determined experimentally by measuring the rate of change in the concentration of one of the reactants or one of the products. We will write a custom essay sample on H202 Decomposition or any similar topic only for you Order Now The change of concentration can be measured by such physical properties such as the volume of a gas or color intensity of a solution. The rate may be expressed, for example, as moles per liter of product being formed per minute, milliliters of gas being produced per minute, or moles per liter of reactant being consumed per second. During this experiment, you will determine the rate of decomposition of hydrogen peroxide in the presence of a catalyst, iodide. The goal in this experiment is to deduce a rate law for the reaction, showing the dependence of the rate on the concentrations of H2O2 and I-. Your rate law will be of the form: -[pic]= k[H2O2]x[I-]y k is the reaction rate constant and depends only on temperature. x is the reaction order with respect to the hydrogen peroxide concentration and y is the reaction order with respect to the iodide ion concentration. Your objective is to determine the numerical values for the exponents x and y and rate constant, k. You will also study the effect of temperature on the reaction. Materials: 0. 25M KI solution 3% H2O2 solution distilled water 125mL or 250mL Erlenmeyer flask 50mL gas collection tube ring stand test tube clamp one-hole rubber stopper eaker water bath 50mL graduate cylinder 5 and 10 mL pipets thermometer Procedure: 1. Fill one beaker about half full with water. Fill the gas collection tube with water and invert into this beaker. Clamp the gas collection tube to the ring stand. You will use this to measure the volume of gas generated in the reaction. 2. Place the Erlenmeyer flask into a water bath. Fill the waterbath two thirds full of water. Record the temperature of the water. Cap the Erlenmeyer flask with a one-hole rubber stopper. Insert a short piece of glass tubing into the one-hole rubber stopper. If necessary, cut a piece of glass tubing and fire polish the ends. Connect one end of the rubber tubing to the glass tubing and insert the other end into the gas collection tube. You are now ready to start the reaction. 3. Remove the rubber stopper from the 50 mL flask. Add 10 mL of the 0. 25 M KI solution and 15 mL of distilled water to the flask. 4. Add 5 mL of 3% H2O2 to the Erlenmeyer flask. Swirl to mix the solutions and immediately replace the rubber stopper. Begin taking oxygen volume readings immediately. 5. Record the time and oxygen volume (mL) every ten seconds for 240 econds or 30mL (whichever comes first). Swirl the flask during the reaction to prevent the solution becoming super saturated with oxygen. 6. Repeat the experiment, using a clean flask, with10mL of the 0. 25-M KI solution and 10mL of distilled water, then adding 10 mL of the 3% H2O2. 7. Repeat the experiment again, this time using 20mL of the 0. 25-M KI solution and 5mL of distilled water, then adding 5 mL o f the 3% H2O2. 8. Replace the water in the water bath containing the Erlenmeyer flask, with water that is 10-20(C warmer than previously used. Repeat the experiment using 10mL of 0. 25M KI, 15mL of distilled water and 5mL of the 3% H2O2. 9. For each of the three trials, plot the volume of oxygen in milliliters versus the time in seconds. Fit the data with the best-fit curve or straight line for each trial, ignoring the first sixty seconds of data. (Do not draw a line that connects point to point. ) 10. Calculate the slope (mL/sec) of each line. The slope of each line gives the rate of oxygen production in mL/seconds. 11. Use the slopes and the details from each trial to determine the reaction orders for the I- and H2O2. Note that the KI and H2O2 volume are proportional to their concentrations in the reaction solution. | |Slope (mL/sec) |KI |H2O2 | |Trial 1 | |10mL |5mL | |Trial 2 | |10mL |10mL | |Trial 3 | |20mL |5mL | 2. Calculate the rate constant, k, for the equation: -[pic]= k[H2O2]x[I-]y Substitute values for [H2O2], [I-], x,y and -[pic]/[pic]into the equation and solve for k. Use the reaction orders determined above for x and y. Using data from one of the trials, calculate the molarity of the H2O2 and I- in the reaction solution and the hydrogen peroxide disappearance rate. Use these values to substitute into the above equation. You can determine the hydrogen peroxide disappearance rate from the rate of oxygen production. Convert the rate of oxygen production to moles per second using PV=nRT. Remember to reduce the pressure of the oxygen by the water vapor pressure. Use stoichiometry to convert moles of oxygen to moles of hydrogen peroxide. Use the solution volume to convert the moles per second to molarity per second. Calculate the rate constant, k, to two significant digits. Be sure to include units. 13. Examine your results to determine the effect that temperature had on the reaction rate. 14. Calculate k for the higher temperature, and, using both k values determine the activation energy for this reaction[1]. Questions: 1. How would your calculated reaction rate constants and calculated activation energy have been affected if the nominally 3% hydrogen peroxide had a concentration of only 2%? 2. How would your results have been affected if extra water had accidentally been added to the reaction mixture? 3. If you do not agitate the reaction solution, it can become supersaturated with oxygen. How would this affect your results? . If you had been able to directly determine the concentration of hydrogen peroxide in the reaction solution, you would have been able to graph the concentration versus time. What would that graph look like? 5. If you had been able to directly determine the concentration of iodide in the reaction solution you would have been able to graph its concentration versus time. What would that graph look like? 6. What would you graph versus time to determine the reaction rate constant? How would you calculate k from the graph? dapted from a lab at Occidental College http://departments. oxy. edu/tops/Kinetics/kinetics. pdf ———————– [1] Activation energy, Ea, is related to the reaction rate constant, k, by the Arrhenius equation: k=Ae-Ea/RT. R is the ideal gas constant, 8. 314510 J/(K†¢mol). A is the frequency factor with units of L/mol†¢s, and is related to the fraction of collisions that have the correct geometry. The activation energy can be determined using reaction rate constants from two different temperatures using the Arrhenius Equation rearranged as: ln k2 – ln k1 = – [pic] How to cite H202 Decomposition, Papers

Saturday, December 7, 2019

Woodrow Wilson free essay sample

At the same time he communicates the message that Americans as a new nation in the high and honorable hope should show mankind the way to liberty. President Wilson states that present war must be ended and Americas participation is aimed by a concern of future peace. He describes it as a peace that is worth guaranteeing and preserving, a peace that will win the approval of mankind, not merely a peace that will serve the several interests and immediate aims of the nations engaged.Without Americas participation secure peace in Europe would be impossible, and a new balance of power would be created. Wilson also points out that balance of power In Europe should be substitute for a community power; not organized rivalries but an organized, common peace He suggests that America would guarantee the stable equilibrium of the new arrangement. Also, to assure the stably of the peace In Europe it must be a peace without victory. We will write a custom essay sample on Woodrow Wilson or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page Wilson was against peace forced upon the loser with it humiliation.. . ND a bitter memory, because he believed that only a peace between equals can last. It was Willows hope that the various warring powers could agree to end the war without carrying out to the point where one side was clearly defeated and had no choice but to surrender. Fairly obviously, this hope was not ultimately realized. The Entente powers, who were the victors, enforced such harsh conditions on the Central powers (particularly Germany) that they essentially ensured World War II, which is more or less what Wilson meant when he said only a peace without victory can last. Woodrow Wilson, War Message to Congress, 2 April 1917 In this address to Congress, asking for a declaration of war against Germany, how does Wilson explain the necessity of war? What will be the American peoples goal or war aim? The presidents purpose of this address was not only to convince the Congress that American participation In the final stages of the war would indefinitely Horton it and provide Wilson with the opportunity to establish the peace in Europe, but to change the American peoples opinion about isolationism.This war against mankind Wilson defined as the intent of German submarines to take the lives of innocent citizens, who were supplying aid or exporting goods on merchant ships. Wilson calls it a war against all nations, and makes his address seemed more convincing by associating the united States with other friendly (neutral) countries who are also suffered from German attacks. The president expressed his regret in having to make such a move but found it as his constitutional duty to so.Wilson the war for democracy, for the right of those who submit to authority to have a voice in their own governments, for the rights and liberties of small nations, for a universal dominion of right by such a concert of free peoples as shall bring peace and safety to all nations and make the world itself at last free. With the statement the world must be made safe for democracy, Wilson ruled out any questions as to why he was leading his country into combat and it became evident that his words pointed to principle, not selfish ends, as the motive for war.He proclaimed America wasnt sighting against the German people, but we were engaged in a battle opposing the government of which the people had no control over. We have no feeling towards them but one of sympathy and friendship. It was not upon their impulse that their government acted in entering this war. It was not with their previous knowledge or approval. Wilson summarizes his war aims into one sweeping goal: to make the world safe for democracy. He ended with, God helping her she can do no other. With this closing sentence Woodrow Wilson left America with no choice but to defend her honor.