(in the second centrifuge tube). Now wash (microscale) the combined extracts with saturated NaCl solution (5mL)‚ then with 10% aqueous potassium carbonate (5mL)‚ then with saturated NaCl solution (5 mL) again. Dry the organic layer with anhydrous sodium sulfate. Decant the organic layer into a small beaker and concentrate to roughly 0.2 mL by evaporation in the hood (do not apply heat!). If the sample goes to dryness‚ re-dissolve in hexane (0.2 mL). *Set aside a small amount of your crude
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Secret Life of Bees In-class writing assignment How would you describe Lily’s feelings about her mother? Do they change throughout the novel? Lily loves her mother very much and misses her lot‚ especially when she can’t sleep. The guilt she feels for her role in Deborah’s death haunts her. Later when Lily learns that her perfect‚ fantasy mother abandoned her she quickly grows to resent her mother for leaving her with T. Ray. Finally she comes to terms with her real mother‚ a flawed‚ complex‚ very
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5 Beautiful Examples of Organic Architecture Ads by Google ’India Is’ Video Contest Show Us What India Is in a 5 min Video. Submit & Win Great Prizes! youtube.com “…in an organic architecture‚ that is to say an architecture based upon organic ideals‚ bad design would be unthinkable.” -Frank Lloyd Wright What is Organic Architecture? Frank Lloyd Wright incorporated the term "organic" into his architectural philosophy in about 1908. But he wasn’t thinking about farmer’s markets and pesticide-free
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Exercising Just Got Better and Healthier Written By Alexis Bower Exercising has improved majorly‚ by our new technology in the world. It’s to the point where you don’t even need to go outside or to the gym. You have the power to do it in your own house. We have devices that can monitor your steps you take‚ what your heartbeat is‚ how far you have ran‚ and to how much calories you have lost within your workout. I sat down
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Case Study: Anima Adventure DRAFT OVERVIEW As our company provides viral marketing services with Anima Adventure‚ there are some aspects of this project which is beyond our control. No matter how effective our Marketing strategy is‚ if the game itself and its features are not sufficient to the users’ taste‚ changes should be made in the developer’s side. This study focuses on the game itself and the features that can be added to further improve the overall revenue attraction. Aside from the general
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A Season Or A Lifetime --Reflection on Walking Away People come into your life for a season‚or a lifetime. As seasons change ‚time stands still in a lifetime. C. Day Lewis wrote this poem reminiscing his boy’s childhood at the time that his son was leaving home and becoming a man.He starts out by using the image of changing leaves‚ which is a reference to change‚ literally change in season but actually in life. By recalling his son’s first football game‚he feels
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quality time together‚ but our schedules don’t always accommodate each other. Over Christmas break when my sister was visiting‚ she was very persistent on planning an exemplary day of shopping. Unfortunately‚ I ended up making plans with my friends to go on a lively excursion. I tried to be positive in telling her I would not be able to carry out our plans‚ yet she was disappointed. My generous sister understood even though she was looking forward to our day together. Looking back on that time‚ I’ve
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CLASSIFICATION TESTS A. Acids There are relatively few suitable tests for carboxylic acids. Classification is based mostly upon solubility tests. If the compound is water soluble‚ test the aqueous solution of your compound with pH paper (also check the pH of the original water). If the compound is water-insoluble and it dissolves in 5% (1.5M) sodium hydroxide and 5% NaHCO3 solutions as performed in your solubility tests‚ it can be classified as a carboxylic acid. Establish an equivalence value
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no consistency in staff applying the boundaries and rules then there will be chaos in the setting‚ and this will not help positive behaviour in children. But if there is consistency then every child in the setting will know that no matter whom they go to in the setting‚ they will always get one answer. The importance of all staff being fair‚ and consistent are: It helps children to develop a sense of responsibility for their own
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Stopper pH paper Small test tubes and rack Graduated cylinder (10 ml) Evaporating dish DISCUSSION Organic chemistry is the study of compounds containing carbon (excluding CO2‚ CO‚ carbonates‚ elemental carbons‚ and others). The two primary sources of organic compounds are oil and coal. Other sources of organic compounds are plants‚ animals‚ and microorganisms. Hydrocarbons are organic compounds that contain only carbon and hydrogen. There are various classifications of hydrocarbons.
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