... to break down or neutralize any remaining impurities, increasing their solubility in the aqueous phase. The components of the solution which are miscible in water dissolve into an aqueous layer, while the immiscible components remain within the organic phase of the solution. Reflux is used to condensate the vapors from the solution for an extended time period, and when the immiscible components are inseparable from ... was heated to a gentle boil for 65 minutes. After the 65 minutes of cooking the mixture, the heat was removed and the solution was left to cool down. Then the mixture was...

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• Has Bibliography

... more substances. The substance in the greater (greatest) quantity is called the solvent and the other component(s) is (are) called the solute(s). When water is the solvent, the solution is called an aqueous solution. In an aqueous solution, most of the water is in its molecular form, H2O. However, a small amount of the water will dissociate into ions - one hydrogen ion (H+) and one hydroxide ion ... (OH-) per molecule dissociated. The pH scale is used to measure the concentration of hydrogen ion in an aqueous solution. With pH measurements, the letter p indicates negative log and H indi...

• Word Count: 10700
• Approx Pages: 43
• Grade Level: High School

... What are ion-dipole attractions and how are they involved in the process of solvation What does crystallization or precipitation mean? What is a supersaturated solution? How is this kind of solution made? What happens to the boiling point and freezing point of water when salt is added? How can you increase the rate at which ... is the solvent Types of Solutions Solid Solutions Alloys = How are alloys formed? Gaseous Solutions Liquid Solutions Miscible Immiscible: Example Aqueous Solutions Aqueous solution = water as solvent Electrolyte = substance that dissolves in water to form solutio...

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• Grade Level: High School

... bond; a medium for chemical reactions, due to its properties as a solvent; the diffusion and osmosis of substances, e.g. gaseous exchange, which need to be moist as the exchange takes place in solution, therefore there is water in the lungs or in mesophyll cells (in plants) . It is also used on a much larger scale for transport. Blood is mostly water, and is used ... surrounds many internal organs to give protection and lubrication like the pleural fluid around the lungs, the pericardial fluid around the hear and the brain contains cerebro-spinal fluid. The aqueous and vitreous humours ...

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... bond; a medium for chemical reactions, due to its properties as a solvent; the diffusion and osmosis of substances, e.g. gaseous exchange, which need to be moist as the exchange takes place in solution, therefore there is water in the lungs or in mesophyll cells (in plants). It is also used on a much larger scale for transport. Blood is mostly water, and is used ... surrounds many internal organs to give protection and lubrication like the pleural fluid around the lungs, the pericardial fluid around the hear and the brain contains cerebro-spinal fluid. The aqueous and vitreous humours o...

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... able to move through selective permeable cellular membranes. They must regulate moving necessary materials in and out of the cell in order to maintain homeostasis. Because of a cell's aqueous environment, it allows water to pass by osmosis or aquaporins. With osmosis, water can move throughout the membranes of a cell, down its concentration gradient. Water moves from areas ... solute with a smaller volume to diffuse into. More solutes enter the cell with a larger surface area to volume ratio. Materials: - 2% agar containing NaOH and the pH-indicator dye phenolphthalein - 1% phenolphtha...

• Word Count: 2017
• Approx Pages: 8
• Grade Level: High School

... the filtering device with the water that does. After digestion is finished, the solution is filtered; in this experiment filter paper was used. Then deionized water or dilute acids are used to wash the precipitate to ensure that all aqueous ions are removed from the surface of the precipitate. The precipitate is then dried ... an uncertainty of .002g. The filter paper was wetted with deionized water to make sure that it touched all sides of the funnel. The precipitate and solution were filtered through the paper so that all of the BaSO4 was left on the filter paper. This was then left t...

• Word Count: 1417
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• Grade Level: High School

... released from primary minerals are prone to leaching if they do not form complexes. According to Schaetzl and Anderson, Carbonation is a general term for weathering processes associated with CO2 in aqueous solution. In soils and regolith, CO2 quickly combines with water to form a weak acid, i.e carbonic acid. CO2 + H2O H2CO3. This weak acid reacts with rocks that are composed of calcium carbonate ... ...

• Word Count: 953
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• Has Bibliography
• Grade Level: Undergraduate

... of its polarity water is a good solvent, attracting both the positive and negative charges of other solutions. This is very important because all chemical reactions in cells take place in aqueous solution. Water has a pH of 7, which makes it a neutral liquid medium. It's neutrality ensures that reactions taking place within living organisms are not disturbed by being too acidic or basic. Blood ... ...

• Word Count: 564
• Approx Pages: 2
• Grade Level: High School