become the hot topic in business. However‚ much of the talk is not comprised of all types of business it involves primarily the large corporations. Large corporations such as Enron have caused much grief to those around them and everyone that they employed. Due to this reason regulations such as the Sarbanes- Oxley Act have been enforced to hold large
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Combustion of Alcohols Purpose: The purpose of this investigation is to use calorimetry to determine the molar enthalpy change in the combustion of each of a series of alcohols. Question: How do the enthalpies of combustion change as the alcohol molecules become larger? Prediction: I predict the bigger the molecule the more the energy will be released. Materials: On lab sheet Procedure: On lab sheet Observation: On other page Analysis: b) i) Ethanol – q=(100g)(4.18J/g/C)(25.5C) q=10659J
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predict changes in the atmosphere and in the Earth’s climate Answer: c 4) The persistent trend of increasing temperatures over three decades is an indication that global warming is really happening. What was the warmest decade since temperatures have been recorded? a) the 1990s b) the 1980s c) the 1970s d) the 1960s e) the 1950s Answer: a 5) Which of the following is an example of carbon-dioxide sequestration? a) smoke-stack emissions b) the injection of carbon dioxide into subsurface geologic
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must you do to push this automobile a distance of 5.0 m? W=FΔd F= 300 N Δd=5 m W=(300)(5) W=1500 J In an overhead lift‚ a champion weightlifter raises 254 kg from the floor to a height of 1.98 m. How much work does he do? W=FΔd=Eg Eg=mgΔh m=254 kg Δh=1.98 m Eg=(254)(9.8)(1.98) Eg=49528.62 J W=49528.62 J A child drags a 20-kg box across a lawn for 10 m and along a sidewalk for 30 m the coefficient of friction is 0.25 for the first part of the trip and 0.55 for the second. If the child always pulls horizontally
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Ext. History Revision History- What historians chose to interpret from the surviving evidence of the past Source + Historians = Histories All historians have their own views and interests due to their upbringing hence that the process of selection and interpretation distorts our ‘knowledge’ further. Issues in historiography Training of historians Objectivity in history Oral societies and history Problems of historical research Universal history Evidence- selection Source- How? Truth-
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basic health‚ is safe and cost effective (WHO‚ 2010). According to WHO‚ Advil is safe for children and pregnant women in their second and third trimester of pregnancy. Advil works faster‚ and more accurately than traditional and herbal methods that have been used by doctors in the past. Ibuprofen was discovered by Drs. Stewart Adams‚ John Nicholson‚ Colin Burrows and their team of scientists at the Boots Company. The company worked on a drug to relive rheumatoid arthritis in the 1960’s. They started
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Just imagine being forced into a rail car knowing that you are on your way to the place you are going to die‚ the scared feeling that you may never see your family or friends again is the way that millions of Jewish people felt during the Holocaust on their way to the Auschwitz concentration camps. Auschwitz polish prisoner Pavel Stemin said‚ “Death‚ death‚ death. Death at night‚ death in the morning‚ death in the afternoon. Death. We lived with death. How could a human feel?” (Laurence‚ 2005)
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Optical telescopes are divided into two basic categories: refracting telescopes and reflecting telescopes. Refracting Telescopes Refracting telescopes utilize a system of lenses that collect and refract light to magnify the image (Figure ). They have a larger diameter lens called the objective lens and a small lens called an eyepiece. Good refracting telescopes utilize multiple lens systems to correct for color aberrations. Chapter discusses lenses in the section on “Stations for Sight”. Reflecting
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Lesson 5 Review: Networking Models‚ Traffic and Devices The purpose of this activity is to reinforce what you have learned so far about local area networks technologies. 1. Describe the three modes of communication available on a network. Simplex Data travels in only one direction‚ similar to a public address (PA) system. Half-duplex Data travels in two directions‚ but in only one direction at a time‚ similar to a walkie-talkie. Traditional shared Ethernet uses half-duplex transmissions.
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condition u people always faces in life... We can say life a little bit a collection of such good-bad & sweet-sour situations which just enters and change our life forever. Mostly the condition teaches us a lot of ethics and morals just about the relationship. Such a relationship which we don’t want to loose or which we want to loose... CONFUSED..!!!??(About last lines...?); Don’t get confused…lets clear it here… Look guys‚ I use the word “the relationship which we don’t
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