information (Petersen‚ 2007). The talking and listening process is complicated. Petersen explains each communication process of listening and talking individually to better understand. In this section he introduces the Talker-Listener Card (TLC). The TLC allows the person talking or listening to have their time to so do without interruption in order to facilitate a open dialogue (Petersen‚ 2007). The talker is either most
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which can be found among the debates on the Consequent Argument. The argument is introduced by Peter van Inwagen (1983) in An Essay on Free Will. Contemporary philosophers who participate in this argument are either support or reject this argument. Fischer presents the argument informally as follow: “Suppose that causal determinism obtains and I do X at time t. It follows from the definition of causal determinism that the facts about the past‚ together with the laws of nature‚ entail that I do X at
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CHEM 2018 Organic Lab Part 2 Experiment 7: Diethyl n- Butylmalonate Lab Partner: Reference: Williamson K.L.‚ & Masters
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from a group of others with acquired data. Experiment Summary: In this experiment‚ we use TLC to identify components of an unknown analgesic drug. We prepare a solution of the drug by dissolving part of a tablet in 1:1 ethanol/dichloromethane‚ then spotting a TLC plate with the solution along with standard solutions of all active substances the drug tablet is likely to contain. Once the TLC plate develops and dries‚ it is viewed under ultraviolet light to properly visualize and mark the
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Historians have heavily debated the causes of the First World War. Fritz Fischer‚ author of Germany’s Aims in the First World War‚ wrote that Germany was undeniably responsible for the war. Fischer argues that Germany took advantage of the Austro-Serbian conflict in order to stage a preventive war‚ and pull herself out of European isolation. His research showed that Germany had similar aims in both WWI and WWII‚ setting out to consciously to become a world power. He argued Germany’s aim to gain
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and the crystals formed where powdery in texture. On the other hand‚ the pure recrystallized product gave a shiny white colour appearance‚ with its crystals being needle like in texture. TLC results: Legend: i= acetaminophen standard ii= phenacetin standard iii = Recrystallized product Figure 1: TLC
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them fundamentals of life and to love themselves as they are. The picture above is from the show’s website on TLC online. All of the little girls are so beautiful before and look absolutely ridiculous after they are all done up. This type of show has made me shy away from watching anything of TLC because I don’t want to support a company that will exploit children in that way. TLC also has a spinoff of one of the contestants that is too old for the Toddlers and Tiaras show and she has her own
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Preparation of Dibenzalacetone by the Aldol condensation David o Neill Date of experiment: 14/12/2011 Apparatus Steam bath‚ ice bath‚ Buchner funnel‚ beaker‚ conical flask‚ filter paper‚ TLC apparatus‚ Melting point apparatus Materials / chemicals Benzaldehyde‚ acetone‚ ethanolic sodium hydroxide‚ ethanol Introduction The synthesis of dibenzalacetone is formed from an Aldol condensation reaction. An Aldol condensation reaction is a very effective way of forming a carbon – carbon bond reaction‚ in
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Biological chemistry 1B Experiment 1: Thin layer chromatography [TLC] Aim The aim of this experiment is to apply the technique of TLC to first separate out a mixture of coloured dyes and then to do the same for selected range of amino acids. Procedure 2 MMs of each different colour were collected into separate beakers. Approximately 5 drops of water is added to each of the beakers containing the MMs and the tablets were stirred until
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Recrystallization Experiment 2: Recrystallization & Melting Point • Most important method for the purification of organic solids • Separation of compounds based on differences in solubility between the compound of interest and its contaminants • Basic technique: 1. dissolve impure sample in an "appropriate" hot solvent Part A: Choosing a Solvent Part B: Purification of Phenacetin 2. cool solution slowly to induce crystal growth 3. filter resulting mixture to isolate crystals Reading:
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