1. In table format‚ provide the Rf values you recorded for each of the 3 compounds in Part I. List compound on one axis of your table and solvent system on the other. If multiple spots were present for a compound‚ give Rf value for each component and state if the component was major or minor. | 100% hexane | 25% EtOAc in hexane | 10% EtOAc in hexane | Fluorene | 0.34 cm | 0.94 cm | 0.67 cm | 9 - fluorenol | 0.00 cm | 0.49 cm | 0.05 cm | 9 - fluorenone | 0.00 cm | 0.69 cm | 0.21 cm |
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Extraction of DNA Science Fair Project 2013-2014 Produced by Nadia Walker Due Date: Monday January 20th 2014 Presented to Mr. Freimann Date Submitted: Monday January 20th 2014 Table of Contents Introduction page 1 Hypothesis and materials
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Spot-fixing/Match-fixing The great damage done to the Cricket is by match-fixing allegations every now and then. Spot-fixing means that player or the whole team accepts money from the bookies to intentionally play badly. Players also have been taking money to give information about the pitch and the weather conditions. Generally players deny any kind of charges put on them‚ but in some cases players have admitted their involvement in either spot-fixing or illegal activities. For instance
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sediments which pile up for long time that creates thick sediments‚! ! 10. How does sea floor spreading explain the movement of tectonic plates?! - Sea floor spreading in movement of tectonic plates is called divergent‚ the separation of two plate. This can be proved because magma comes out from the fault of ridge which means plate has open and it’s realising the magma. Other reason‚ if diverging is happening at one point‚ that means converging is happening at other end of plate‚ for example Himalayan
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Constructive boundaries occur when two plates move apart which causes new oceanic crust to be formed and mid-ocean ridges are created by the build-up of molten rock on the seafloor due to the mantle building up. This new crust pushes the old crust aside and forcing the plates apart at a very slow rate. Basaltic lava rises which means new crust is being added continuously. Rift valleys are formed at constructive boundaries‚ where convection current causes the crust to be pulled apart causing fractures
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Introduction Flash-Column Chromatography is another useful technique used to separate and purify complex mixtures of compounds. In this experiment‚ TLC is used to determine the best solvent system for the column. Due to Flash-Column Chromatography1 being an inexpensive technique‚ many scientist use this process for drug and natural product purification. Method By using the information from Experiment 6B‚ the TLC solvent system used was 30% EtOAc: 70% Hex. Experiment 7 was broken into two parts‚
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Research Question: What factors contribute to the economic gaps between First Nations living on reserve and First Nations living off reserve? Thesis: The lack of access to desirable educational opportunities‚ fundamental social services‚ as well as historical faults of colonialism has contributed to economic gaps for First Nations living on reserves compared to First Nations living off reserve. For an average Canadian citizen‚ the 21st century represents a hallmark in the improvement of overall lifestyle
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years. My first taste of high school was in the spring of my 8th grade year. My band director hosted a marching band clinic for rising freshman. Fresh off of a personal victory of being awarded the Director’s award for Musical Excellence‚ I eagerly attended. After getting the taste of high school marching band‚ earning a spot on the snare line my freshman year‚ and getting my music down‚ I was ready to march my first steps on the field. The following summer‚ on the first day of band camp‚ my
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CONSERVATIVE PLATE MARGINS (TRANSFORM FAULTS): When two plates slide past each other they create a conservative plate margin. The relative movement is horizontal‚ and classified as either sinistral (moving to the left) or dextral (moving to the right). Along these margins crust (lithosphere) is not being destroyed by subduction‚ neither is it being created. There is no melting of rock‚ and‚ therefore‚ no volcanic activity or formation of new crust. Despite the absence of volcanic activity‚ these
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Plate tectonics Intro: The word tectonic represents the meaning of plates and boundaries. As an example of activity is an earthquake‚ which is caused by two plates like the Eurasian and pacific plate pushing towards each other‚ pushing the land upwards causing a mountain as well as an earthquake. The plates are pieces of land that make up the outer crust‚ these could move together‚ move apart or move alongside each other resulting in mountains‚ volcanoes and earthquakes‚ this happens deep
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