record a thermogram. YOU CAN NOW MOVE ONTO THE STEPS TO RECORD AND DETERMINE THE CALORIMETER CONSTANT FOR EACH OF THE 4 PROVIDED CUPS. 1. Obtain two of the same cup types‚ in example two styrofoam cups‚ and a lid from your instructor or the lab stock room to serve as the calorimeter. Nest one cup inside the other to construct
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Causes and specific features of financial crisis in Russia at the end of 20th century. Economic and institutional background of crisis The process of economic transformation in Russia has been marked by a prolonged transitional depression and macroeconomic instability: seven years of continuing decline resulted in a cumulative drop of GDP by more than 40% between 1989 and 1996; in that period there were also several outbursts of near- hyperinflation. The first radical effort to tackle inflation
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During their second trimester‚ pregnant women have a high risk of perioperative pulmonary aspiration during surgical abortion. Aspiration is caused by an elevation of physiological changes in the fetus‚ which is characterized by gastroesophageal reflux disease‚ increased nausea‚ and vomiting. However‚ health practitioners advocate endotracheal intubation to expectant mothers receiving anesthesia during their first trimester. Most health practitioners prefer to intubate pregnant women during surgical
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Time and time again‚ it has been noted that there is an immigration problem in the United States. Whether it be through legal or illegal means‚ there is always a problem. Samuel F.B. Morse believed that the Irish Catholic immigrants were part of a big conspiracy with the Roman Catholics‚ to take over the United States. They were nothing but danger to native Americans. It is a belief that many Americans shared during 1835‚ but held no real base of truth. The Irish Catholic immigrants that were
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The neglect of Native American rights traces all the way back to 1830 and stems from the Indian Removal Act. The Indian Removal Act enabled the federal government to exchange Native lands east of the mississippi for land in the west. This land was called the “Indian colonization zone‚” which is located in present-day Oklahoma. Being a big advocate and supporter of what he called “Indian Removal‚” Andrew Jackson signed off on Act. The act explicitly said that the removal treaty negotiations had to
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Throughout American history‚ people of many identities have been ostracized and disrespected. This theme of marginalization can be observed in many countries and due to America’s past of mistreatment of its citizens‚ it is easily observed in the United States today. To this day‚ many people are not educated or do not have the capability to be educated. Also‚ many do not receive the health treatment that they need because of cost or lack of resources at hand. Even though the United States aims to
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Eric Bryan Period 4 Calorimetry Lab Theory: To most people heat and temperature are generally the same thing. But really in a scientific sense there is still a similarity between them but they are different concepts. Temperature is the measure of the average energy of molecular motion in a substance. Heat is the total energy of molecular motion in a substance. Temperature is not energy like heat is‚ it is just measure of it. Now there is also a difference between heat and thermal
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The purpose of this lab was to model the significant differences in density that oceans experience when glaciers and polar ice caps melt. It demonstrated that the variation in density greatly affects salt water. I discovered that the increase in freshwater causes a decrease in density. I made three claims. First‚ the higher the salinity of the water is‚ the denser it will be. This was shown in my data by the fact that‚ with 0mL of fresh water‚ the density was 1.108 g/mL For every milliliter of fresh
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CHM130 Lab 6 Exploring Density Name A. Data Tables Place your completed Data Tables here Part IIIa (3 points) Volume of water in graduated cylinder (mL)10 mlMass of rubber stopper (g)11.15Volume of water and rubber stopper (mL)16.5 Part IIIb (6 points) Volume of water in graduated cylinder (mL)20Mass of iron nail (g)3.66Volume of water and iron nail (mL)20.5 Part IV (20 points) Type of Aluminum FoilMass (g)Length (cm)Width (cm)Volume (cm3)Thickness (cm)Regular.63g15 cm 10.02 cm.21 cm3.0014
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Determining the accuracy of varieties of pipettes by weighing and finding the density of a liquid Abstract Different varieties of pipettes (P100‚ PR1000 pipettors and a serological pipette) along with a weighing balance was used in this investigation to check the density of an unknown liquid by first finding out what the liquid weighed and plotting a graph of the mass in grams against the volume of the liquid used in micro litres (µl) and finding the gradient of the graph (∆Y/∆X). Most of the
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