Lactose Intolerance Have you ever tried to drink milk or other dairy products and felt sick? The reason they get sick is because they are lactose intolerance and they are unable to digest large amounts of lactose. The reason this happens is because they have a shortage of lactase which is normally produced by the cells that line the small intestine. Lactase breaks down the sugars into a easier form that can then be absorbed into the bloodstream. When there is not enough lactase present
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Lactose IntolerancePeople who are lactose intolerance are unable to digest significant of lactose‚ the reason being is and inadequate amount of enzyme lactase2. Individuals with lactose intolerance believe that they are allergic to milk and a lot of other milk products. An estimated 30 million to 50 million American adults are lactose intolerant. However a milk allergy has something to do with the proteins in milk rather than the lactose. To determine that you have trouble digesting lactose you must
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Lactose intolerance is the inability to digest significant amounts of lactose‚ the predominate sugar in milk. This inability results from a shortage of the enzyme lactase‚ which is normally produced by the cells that line the small intestine. Lactase breaks down milk sugar into simpler forms that can then be absorbed into the bloodstream. While not all people deficient in lactase have symptoms‚ those who do are considered to be lactose intolerant. Common symptoms of lactose intolerance are: nausea
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Solubility and Functional Groups _______________________________________________________ You will recall from general chemistry that a solution has two components: the solvent‚ which is the substance present in greater amount‚ and the solute‚ which is dissolved in the solvent. Solubility is defined as the mass (in grams) of solute dissolved in 100 g of solute at saturation. Molar solubility is defined as the amount (in moles) of solute per liter of saturated solution. The solubility of one compound
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Lab 3: Solubility of Organic Compounds Objectives: Understanding the relative solubility of organic compounds in various solvents. Exploration of the effect of polar groups on a nonpolar hydrocarbon skeleton. Introduction: The solubility of a solute (a dissolved substance) in a solvent (the dissolving medium) is the most important chemical principle underlying three major techniques you will study in the organic chemistry laboratory: crystallization‚ extraction‚ and chromatography.
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affecting solubility 1. Effect of Temperature For some substances to dissolve in a given solvent‚ heat is absorbed. The reaction is endothermic. In this case‚ an increase in temperature increases solubility. For some substances‚ heat is released when they dissolve in a given solvent. The reaction is called exothermic. In this case‚ an increase in temperature decreases solubility. Generally‚ an increase in temperature in the solubility of solids in liquids increases solubility. But for solubility of gas
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solution that contains more dissolved substance than a saturated solution does. This occurs when a solution is prepared at a higher temperature and is then slowly cooled. This is a very unstable situation‚ so any disturbance causes precipitation. Solubility can be understood in terms of two factors: The natural tendency toward disorder favors dissolving. The relative forces between and within species must be considered. Stronger forces within solute species oppose dissolving. Stronger forces
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Megan Ly Chemistry 231L February 20‚ 2013 SOLUBILITY Purpose: To better comprehend solubility behavior by investigating the solubility of various substances in different solvents‚ looking at miscible and immiscible pairs of liquids‚ and observing the solubility of organic acids and bases. Reference: Pavia
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Lactose is a complex found in all milks that is commonly used as an ingredient in lots of foods. Some people are unable to digest this lactose and it causes many problems for them. This is known as being lactose intolerant. The people that are unable to digest lactose body’s do not contain enough of the enzyme lactase which breaks down the lactose into simple sugars (glucose and galactose). When a person that is lactose intolerant consumes lactose‚ the undigested lactose passes through the small
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general‚ solubility rules can be used to predict the outcome of double replacement reactions. I have come to this decision‚ because almost all of the data recorded from the lab‚ with the exception of number 13‚ agreed with the predictions made beforehand. 2. Out of the 15 combinations‚ the observations made for the combination of number 13 (the reaction of lead (II) nitrate and barium chloride)‚ did not agree with what was predicted‚ based on the solubility rules. The solubility rules that
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