tests in order to identify the species in question. The tests being: determining the boiling point using two methods (distillation and capillary tube)‚ determining the refractive index‚ and obtaining UV/VIS and FT-IR absorption spectra. After the results from the various tests are obtained‚ the boiling point and refractive index should be compared to literature data while the absorption spectra should be analyzed. Finally‚ this should allow the group to accurately identify the nature of the chemical species
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third index‚ the Marshall–Edgeworth index (named for economists Alfred Marshall and Francis Ysidro Edgeworth)‚ tries to overcome these problems of under- and overstatement by using the arithmetic means of the quantities: Marshall price index = ∑pnqo+∑pnqn ∑poqo+∑poqn * 100 Fisher’s index number: A fourth‚ the Fisher index (after the American economist Irving Fisher)‚ is calculated as the geometric mean of PP and PL: * 100 * 100 Fisher’s index is also
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I would like to express my deepest appreciation to all those who provided me the possibility to complete this report .Firstly‚ I would like to thank my additional mathematics teacher‚ Puan Rohana bt. Dalmen for her guidance and constant supervision as well as for providing necessary information regarding the project and also for her support in completing the project. I would like to express my gratitude towards my parents and family members for their kind co-operation and encouragement which helped
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Refractive index measurement is actually a measurement of the speed of light in a medium. The speed of light (usually denoted by c) is 299 792 458 m/s in vacuum. In other media the speed of light is lower than this value‚ and the refractive index‚ R.I.‚ of a medium is a measure of how much the speed of light is reduced in the medium. The refractive index (n) of a medium is defined as the ratio of speed of light in vacuum (c) in to that in the medium (v) The speed of light in a medium depends on
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dependence of the angle of refraction on the angle of incidence and the index of refraction. Simulation used “Refraction of light” (“bending-light_el.jar”): http://phet.colorado.edu/en/simulation/bending-light Additionally: Spreadsheet application (like Microsoft Excel) Theory / Definitions 1. Optical (or transparent) medium: A medium that allows the passage of light through I‚ just like glass. 2. Index of refraction: The ratio of the speed of light in vacuum over the speed
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just above the forehead right behind the person’s bangs. Divide the section into three even pieces. Place the left section between the left index finger and thumb. Place the right section between the right index finger and thumb. Let the middle section lie flat against the head. Pull the right section over the middle section‚ and place it between the left index and middle fingers. This will begin to form your French braid. The next step is to lead with the right thumb and separate about a 1-inch-wide
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into water‚ it slows down‚ causing it to change direction slightly. This change of direction is called refraction. When light enters a more dense substance (higher refractive index)‚ it ‘bends’ more towards the normal line. Refraction is a phenomenon that often occurs when waves travel from a medium with a given refractive index to a medium with another at an oblique angle. At the boundary between the media‚ the wave’s phase velocity is altered‚ usually causing a change in direction. Its wavelength
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strategy based on two portfolios; the Vanguard index and money market instruments. The goals of Beta Management were to enhance returns but reduce risks for clients via market timing. Ms. Wolfe would keep the vast majority of Beta’s funds in no-load‚ low-expense index funds; and‚ the rest of the money would go into money market instruments. Keeping the market exposure between 50% and 99%‚ she eventually established the limited use of Vanguard’s Index 500 Trust because it had a very low expense ratio
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Index of refraction The index of refraction of a medium is defined as the ratio of the speed of light in vacuum to the speed of light in the medium. [pic] By definition‚ n = 1 in vacuum. In all materials n > 1. The frequency of light does not change as it goes from one a medium of one index of refraction to another. This means that the wavelength changes with the speed. [pic] Thus‚ the wavelength is smaller in a medium than in vacuum. From the definition of the index of
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collected data being used to calculate importance values of species present‚ Sorenson’s index of similarity‚ Shannon-Weiner and Simpson’s Diversity index. The importance values and rankings of the species locations were found to be dissimilar‚ with grass being the most important species at the hilltop and lesser duckweed at the marsh. Only four of nineteen species were similar between the two areas‚ giving a Sorenson’s index of 0.381. With these results it was concluded that the composition and diversity
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