Effect of light on Silver Halide Salts Aim: To investigate the effect of sunlight and UV light on silver salts and to identify an application of this reaction. Hypothesis: The compounds exposed to sunlight (which already contains UV light) will decompose. The compounds which are not exposed to light (put in a dark place) will not decompose. Theory: Equipment: * 4 x petri dishes * 1 x glass stirring rod * 0.1 mol/L silver nitrate in a dropper bottle * 0.1 mol/L Sodium chloride
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Fonash Prof. Feenstra MKT-310-01 February 27‚ 2013 After checking out www.optimo-it.com‚ I noticed a couple of things right away. First‚ there is a strong emphasis on the different technology solutions that the company offers its clients. These include‚ but are not limited to IT strategy‚ systems engineering and integration‚ mobile application development‚ and database design‚ development and administration. Each one of these
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the objects picture a description of what happens when light ray is shone on it. The source of light is a light bulb from a ray box. If a beam of light of one colour is shone through a prism‚ the direction of the beam is changed by the prism. This is because the two faces of the prism through which the light passes are not parallel. If white light is used the prism splits up the light into a series of colours. This shows that white light is actually made up of many other colours - a fact first
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was to determine the fundamental effects that temperature has on the growth and survival of bacteria. During the first experiment five different bacterial broth cultures of Escherichia coli‚ Pseudomonas fluorescens‚ Enterococcus faecalis‚ Bacillus subtilis and Bacillus stearothermophilus were individually incubated at temperatures of 5‚ 25‚ 37‚ 45 and 55°C for one week in an aim to distinguish the effect temperature has on growth and survival of the five different species. After one week they were
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the photons (or wavelengths) you get what is commonly known as a visible light wave. Light is very common in the Universe. Light is so common that everything on Earth has evolved to us life to its advantage to survive. If you were to take a prism and put light to it‚ it can slow light down by a fraction by revealing its much more colourful side. This is commonly known as the visible light spectrum. On one end of the spectrum you have red and on the other you have Violet. Red is red because its wavelengths
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THE EFFECT OF SALINE ON BEAN GERMINATION AUTHOR: Erik Motyka Lab-partner: MWCC Biology I-109 Professor: Dr. Atryzek ABSTRACT: The response of Phaseolus vulgaris to increased levels of saline solution at germination and seedling growth was investigated. Seeds were germinated in paper towels placed in plastic Ziploc bags with varying concentrations of saline solution and incubated at 25°C. At the end of 14 days the seeds
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separation and purification‚ an Infrared Spectrum will be run to determine the composition of the recovered material. Infrared Spectroscopy is a very powerful technique used in the determination of molecular structure and the identification of unknown organic materials. The infrared spectrum yields direct information about the presence or absence of key functional groups. "The region of the infrared spectrum which is of greatest interest to organic
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Introduction: The rate of photosynthesis varies greatly with changes in wavelengths of light. Light’s colour is determined by its wavelength of light‚ and thus it is possible to devise an experiment to determine which wavelengths of light are most productive for photosynthesis than others. In this experiment I use a plant called Elodea (pond weed). Elodea is native to North America and it is also widely used as aquarium vegetation. The basic structure of these plants are whirls of leaves around
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MASARYK UNIVERSITY BRNO FAKULTY OF INFORMATICS Effects of Different Project Management Methods on Team Performance Master’s Thesis Bc. Tibor Szabó Brno‚ 2012 Declaration I declare that this Master’s thesis is my original work and that I have written it independently. All sources and literature that I have used during elaboration of the thesis are correctly cited with complete reference to the corresponding sources. Tibor Szabó Supervisor: doc. RNDr. Tomáš Pitner‚ Ph.D. i
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The Effects of Different Parenting Styles Mayra A. Gomez July 15‚ 2014 Dr. Daniel Malloy Child Psychology 231 Trinity University THE EFFECTS OF DIFFERENT PARENTING STYLES Most parents want the best for their children and try to lead by example. As a parent‚ I strive to be the most ideal parental figure for my children. Nonetheless‚ I have to admit at times it’s become difficult to not mimic the same negative parenting styles that I was raised with. This is the case for some people in which
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