Project Specifications Project Title: Variable Pitch Constant Rotational Speed Wind Turbine Project Aims This project can be divided into 3 three parts. The first part is to develop a variable pitch propeller. Then second and the main aim of this project is to design a control mechanism by which the propellers would rotate at a constant speed‚ at varying wind speeds by adjusting their pitch. This would be achieved by using wind sensors (anemometer) and a microcontroller. The sensors would
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Kim Dec. 15‚ 2011 Abstract Two experiments were conducted to figure out the value of the formation constant of tetraamminecopper(II)‚ Kf‚ with different methods and which experimental method produces more accurate result. One was electrochemistry using a Daniel cell and the other one was spectrometry by estimating concentration of complex solution using a calibration curve. The formation constant of cupric ammine complex Cu(NH3)42+‚ Kf‚ came out with 1.93x10^15 using electrochemical cell method
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and has a density of 1.84 g/mL. Calculate the molarity of concentrated sulfuric acid. (A) 0.184 M (B) 9.20 M (C) 10.0 M (D) 15.6 M (E) 18.4 M 5. The activation energy of a reaction is 37.6 kJ/mol and the rate constant is 5.4 x 10-3 s-1 at 45°C. What is the rate constant at 145°C? (A) 0.16 (B) 5.4 x 10-3 (C) 8.4 x 10-3 (D) 0.38 (E) 0.56 6. Which of the following statements is correct for the reaction 2H2 + O2 → 2H2O(g)? (A) The rate of O2 disappearance is twice the rate of
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The impact of constant warfare on Roman society was that since there was an overexpansion of the empire. Because of the overexpansion‚ the dilution of the Roman society got many different cultures. When the Visigoths were conquered‚ the conditions of their “surrender” was that they had to join the Roman military service. They were trained and equipped by Romans that created the situation that allowed the successful. The family farms were devastated by the warfare. The farms were eventually replaced
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Bonfa only one main idea exist. In the beginning you are able to hear all the members of the ensemble playing and then you begin to hear soloist playing. At 1.20 you hear wind instrument /s come in for their solo‚ sounds like a saxophone. There is a constant steady tempo throughout. The piano solo comes in at approx. 2.20 and plays an upbeat tune until the main theme again which repeats about 3.20 and 3.48. The vivid picture that is created in this piece relies on unity that is created by repetition
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The argument that I am proposing is that Dr. Manhattan is in a constant state of nostalgia. As he experiences all of time at once‚ his past is becoming larger. As his past becomes larger‚ he values all those previous moments more so than his future. Dr. Manhattan values his past over his future so much so that he forces his responses in the present to be a product of his past and not his future. Perhaps a clearer way to say this is to suggest that Dr. Manhattan wants to be himself‚ and not care about
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Spectrophotometric Determination of the Equilibrium Constant of a Reaction DEPARTMENT OF MATERIALS‚ METALLURGICAL AND MINING ENGINEERING‚ COLLEGE OF ENGINEERING July 26‚ 2012 ------------------------------------------------- ABSTRACT ------------------------------------------------- Before proceeding to test the next solution‚ we must first clean the cuvette‚ using similar steps earlier. First‚ we rinse with water‚ then with the solution‚ and then we fill it up and test
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Ngoc Pham Chem162B Lab #2: Trends in Periodic Table Date: 01/10/2011 Lab partner: Ian Bauer Result Section: Table I: The solubility of the alkaline earth metal ions | SO42- | CO32- | C2O42- | IO32- | Mg2+ | S | I | S | S | Ca2+ | I | S | S | I | Sr2+ | S | S | S | I | Ba2+ | I | I | I | S | Key: I- insoluble‚ S-soluble Table II: Color of water (Halide) and Halogen (Hexane) layers | Cl2 | Br2 | I2 | Hexane layer | Clear | orange | Pink | Water layer | Clear‚
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Officer or Angel A theme of Sherman Alexie’s Flight is constant change‚ instability‚ and violence. The protagonist‚ Zits‚ has been shuffled from foster home to foster home since his mother passed and father abandoned him. The homes and people that Zits has been forced into are all unfamiliar. The only place that gives Zits stability and comfort is‚ oddly‚ jail. With that‚ the only person constantly in his life is Officer Dave‚ a city police officer who has arrested Zits multiple times. Officer Dave’s
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Determination of Gas Constant R through Mg and HCl Reaction ! ! ! ! ! !1 of !9 IB Chemistry SL (Jr) Candidate: Yunha Kim Objective ! Candidates will react Magnesium with Hydrochloric acid and collect Hydrogen. The grams of the produced Hydrogen will be calculated and compared to the theoretical yield of Hydrogen. ! Controlled Variables ! Mass of Magnesium Ribbon This will be kept constant as the objective is to determine the Gas Constant (R). If this is influenced
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