9001-9009 9001 Improving Carbon Dioxide Solubility in Ionic Liquids Mark J. Muldoon‚† Sudhir N. V. K. Aki‚‡ Jessica L. Anderson‚ JaNeille K. Dixon‚ and Joan F. Brennecke* Department of Chemical and Biomolecular Engineering‚ UniVersity of Notre Dame‚ Notre Dame‚ Indiana 46556 ReceiVed: March 8‚ 2007; In Final Form: May 4‚ 2007 Previously we showed that CO2 could be used to extract organic molecules from ionic liquids without contamination of the ionic liquid. Consequently a number of other
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primarily from the sun. It generally enters the system through photosynthesis‚ a process that also captures carbon from the atmosphere. By feeding on plants and on one another‚ animals play an important role in the movement of matter and energy through the system. They also influence the quantity of plant and microbial biomass present. By breaking down dead organic matter‚ decomposers release carbon back to the atmosphere and facilitate nutrient cycling by converting nutrients stored in dead biomass back
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a) Describe the physico-chemical qualities of water that are important to aquaculturists. Aquaculture can be defined as the high-density production of fish‚ shellfish and plant forms in a controlled environment. Stocking rates for high-density aquaculture are typically thousand fold greater than wild environments. Modern fish culturists employ both open and close systems to raise fish. Open systems‚ such as‚ the raceways are characterized by rapid turnover of water. Closed systems are commonplace
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Lab report for Experiment #2: Extraction Your Name: Name of TA: Lab Partner’s Name: Lab Section: Title: Experiment #2: Extraction Purpose: What is the purpose of this lab? In your OWN words! Observations: Weighed out 3.2568 grams of chemical mixture that was yellow in color. Dissolved dry chemicals in 38 ml CH2Cl2 with gentle heating. Poured the yellow solution into sep funnel. Added 10 ml CH2Cl2 to flask to rinse‚ poured solution into sep funnel. Added 15 ml 3 M
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Ju Young – Arctic Ice Investigation ****************************************************************************************** Research Question: How do greenhouse gas emissions give an impact to the Arctic sea ice? Hypothesis: 1. A statement that predicts what will happen. Use the structure: ‘If…then…because…’ 2. For the ‘because’ part you need to give scientific reasoning so after you have done your research‚ state in parentheses ( ) the author of the source that helped you decide on your
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Carbon dioxide is both a vital requirement for producers – the first organisms in any food chain‚ and at times a dangerous waste product. Where plants use carbon dioxide during the Calvin cycle of photosynthesis‚ at night they also produce small quantities due to respiration. Fundamentally‚ carbon dioxide reacts with ribulose bisphosphate to produce glycerate 3-phosphate in the light independent reaction. In turn glycerate3-phosphate is reduced to triose phosphate using reduced NADP
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Each tablet contains aspirin (acetylsalicylic acid)‚ citric acid‚ and sodium bicarbonate. As the tablet dissolves in water‚ the bicarbonate ions in the tablet react with the hydrogen ions from the acids that are also contained in the tablet. The carbon dioxide gas produced by the reaction is what causes the bubbling that can be observed. HCO3- (aq) + H+ (aq) → H2O (l) + CO2 (g) In this investigation‚ you will design two experiments which will compare two different factors that may affect the rate
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Liquid CO2 Extraction of D-Limonene This convenient‚ effective and inexpensive liquid CO2-based extraction of a natural product (D-limonene) provides an engaging example of natural products extraction using an alternative solvent (liquefied CO2). Because the procedure can be carried out in a polypropylene centrifuge tube and uses crushed dry ice as its CO2 source‚ it provides an inexpensive alternative to the equipment-intensive extraction with supercritical CO2. A short video clip is available
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Dracca became aware that one of its competitors‚ TrendBaby‚ Inc.‚ was soliciting information from one of Dracca’s employees‚ Bob Shumaster. Shumaster was apparently detailing product assembly information that was unique to Dracca and explaining to TrendBaby how this assembly strategy saved Dracca thousands of dollars each month. Dracca discovered that TrendBaby actually hired Shumaster to provide this information‚ and that Shumaster was using Dracca company computers to relay the proprietary information
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researchers wanted to make citrus peels as a main ingredient for insect repellent because we can also get the fruit in our own tree or backyard and get only the peel. The lemon peel contains Vitamin C and citric acid which are also good for our skin. While an orange peel also contains Vitamin C. These peels can ward off mosquitoes. It’s said that mosquitoes are totally repulsed by either scent. The essential oils that can be extracted from lemon and orange peel are the one that makes the mosquitoes
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