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The purpose of this lab was to determine the effect of temperature on the volume of gas when the pressure is consistent and to verify Charles’ Law. The data from the experiment reveals that as temperature increases, so does volume. This also indicates that as temperature decreases, the volume decreases as well.…
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Gay Lussac’s Law is concerned with the properties of gases. It is the principle that, for relatively low pressures, the density of an ideal gas at constant pressure varies inversely with the absolute temperature of the gas.…
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Archimedes a Greek mathematician in the third century B.C. originally determined the relationship between the amount of matter that is within a particular space. He used this knowledge to determine if a crown made for the King was in fact made of pure gold, which as happens was not. He discovered such knowledge when he realized that the volume of an object could be determined by the displacement of the liquid. Density is a property that will be consistent for any substance. For pure substances it is the same concept as concentration. For solutions of material density increases as the concentration increases. Many substances can be found by density alone, and concentration can be identified if the density is known.…
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This element was discovered by Friedrich ernst Dorn a German Chemistry. It was founded in 1900. It was discovered while studying Radion Dk chain.…
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Explain how scientific observations led to the development of, and changes to, the periodic table.…
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But element 85 gives our study a greater depth than has yet been revealed by the already covered elements. What this story shows is that the nationalistic prejudices persist to this day in many respects and that the identity of the “discoverer” of the element very much depends on the nationality of the textbook that one might consult. It is also an element for which the majority of sources give an incorrect account in declaring Corson, MacKenzie, and Segrè as the true discoverers. The account I will detail owes much to the recent work of two young chemists, Brett Thornton and Shawn Burdette, whose 2010 article I have drawn heavily from.…
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He created the reflecting goniometer, improved the Gravesand heliostat, and Fahrenheit’s aerometer (“Jacques” Britannica). His works with ballooning lead to his discovery that the volume of a gas is a direct function of its temperature (“Jacques” Physics). He called this Charles law and it is considered the second fundamental property of gasses (Schueller). He never published his works but later his student found the same thing, published it, and gave him the…
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medical researchers Philip Drinker and Louis Agassiz Shaw in 1927. The inventors used an iron box…
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in 1865. His cell had a liquid electrolyte, but in the modern version the electrolyte is ammonium…
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Avogadro proposed, correctly, that any gas in a container of the same size, with the same temperature and pressure, would have roughly the same number of molecules in it, no matter what the gas was. So any difference in mass between two flasks of the same size full of two different gases would be because of a difference in the actual physical mass of the molecules. And thus, Avogadro basically figured…
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Dmitri Mendeleev- first periodic table, organized 63 known elements according to properties, organized into rows and columns. He wrote names, mass and chemical properties on each.…
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It took many scientists and philosophers hundreds even thousands of years to come up with an accurate atomic theory. For nearly 2,000 years science was unable to come up with experiments that were able to test and put forth the theories made up by Democritus which was a fifth century B.C. Greek philosopher. In 1803, John Dalton, who viewed the atom as a small solid sphere, and is credited for the developing of the first coherent atomic theory was now in the picture. This all led to the the first periodic table of the elements, and the history of the atom.…
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Hearing early in 1609 that a Dutch optician, named Lippershey, had produced an instrument by which the apparent size of remote objects was magnified, Galileo at once realized the principle by which such a result could alone be achieved, and, after a single night devoted to consideration of the laws of refraction, he succeeded in constructing a telescope which magnified three times, its magnifying power being soon increased to thirty-two.…
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The three gas laws include: Gay-Lussac’s law, Boyle’s law and Charles’ law. When combined with Avogadro’s law the three laws can be generalized by the ideal gas law. Gases possess observable properties which include, mass, pressure (P), thermodynamic temperature (T) and volume (V). These properties are related to each other and the state of a gas is determined by their values. The three laws are derived from these properties.…
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Joseph Priestly, an English scientist who found out about oxygen. The element of oxygen was discovered by him during his experiment. Joseph Priestly discovered that plants gave off oxygen in the year 1774. He did this by an experiment involving plants, fire and sunlight, and isolating oxygen. Joseph Priestly discovery of oxygen was significant by revealing the process of Photosynthesis.…
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