products that are insoluble in water. In the three of the four reactions a cloudy white or yellow formed. This indicated the formation of a precipitate‚ caused by the generally insoluble phosphate anion. Potassium chloride‚ Iron nitrate‚ and potassium sulfate where the products which were soluble in water. With these products there was no evidence of a precipitate forming. 2. Based on the results from reactions A and B for the first group of reactions‚ the generally insoluble anion is phosphate. In
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How did the amount of Sodium Citrate‚ an anticoagulant‚ added to a Calcium Chloride solution affect the volume of the clots formed when a sodium alginate solution‚ a blood simulation‚ was introduced? Mackenzie Keesor (Fall Semester 2017-2018) Purpose The purpose of this experiment was to observe the differences in the formation of simulated blood clots when different amounts of sodium citrate‚ an anticoagulant‚ was added to the coagulation process‚ which would help gain information about the process
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silicates in the glass are attacked by the HF(aq). Sodium silicate(Na2SiO3)‚ for example reacts as follows: 1 Na2SiO3(s) + 8 HF(aq) H2SiF6(aq) + 2NaF(aq) + 3H2O(l) a. How many moles of HF are needed to react with 0.300 mol Na2SiO3? b. How many grams of NaF form when 0.500 mol of HF reacts with excess sodium silicate? c. How many grams sodium silicate can react with 0.800 g of HF? 4. Automotive air bags inflate when sodium azide‚ NaN3‚ rapidly decomposes to its component
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an example of each of the following solutes: a. Ions/electrolytes Sodium b. Colloids Proteins c. Nonelectrolytes Glucose 6. List the major extracellular and intracellular cations and anions a. Extracellular cations: Sodium‚ Potassium‚ Calcium and Magnesium anions: Bicarbonate‚ Sulfate‚ Protein‚ Organic acids‚ Phosphates‚ and Chloride b. Intracellular cations: Sodium‚ Potassium and Magnesium anions: Bicarbonate‚ Sulfate‚ Protein‚ Phosphates and Chloride 7. Within a fluid compartment‚
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The mean data observed show a number of trends. The average weight and length tend to decrease as the amount of Ammonium Sulfate approaches the full recommended dose. On the other hand‚ the average amount of protein per gram of tissue tends to increase as the amount of Ammonium Sulfate approaches the full recommended dose. Our null hypothesis was that there is no difference between the mean weights or the mean lengths of the seedlings two different treatments. (A+B‚ A+C‚ and B+C) Each of these
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(objective/subjective) would you expect to find? What test(s) are done to help provide a definitive diagnosis? o Well to begin with‚ I would want to ask the patient to rate his/her pain. For an acute episode‚ the best medication to treat with is analgesia. Morphine sulfate is given to relieve pain and reduce ureteral spasm (LeMone‚ 2015‚ P.758). o Other assessment data I would expect to find is complaints of flank‚ back‚ or abdominal pain. Radiation‚ characteristics and timing‚ aggravating or relieving factors. Has
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heteropolysaccharides are the most important components of the extracellular matrix. Hyaluronic acid‚ condroitin sulfates and dermatan sulfates are important heteropolysaccharides in the extracellular matrix. These heteropolysaccharides usually are formed by the repetition of a disaccharide unit of an aminosugar and an acid sugar. A typical example Other common constituents are sulfate groups linked to certain monosaccharides. Usually heteropolysaccharides are associated with proteins forming proteoglycans
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A Synthesis of Safrole and o-Safrole W.H. Perkin & V.M. Trikojus J. Chem. Soc. 1663 (1927) HTML by Rhodium No direct synthesis of safrole has been recorded‚ the most recent attempt being that of Baker and Robinson (JCS‚ 1925‚ 127‚ 1424)‚ who distilled the product of the action of silver oxide and water upon gamma-piperonylpropyltrimethylammonium iodide‚ but obtained isosafrole‚ the double bond moving into the position of greater stability. Kawai (Sci. Papers Inst. Phys. Chem. Res.‚ 1925‚ 3‚ 263)
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condensation formed from the heptane flame. Reactants: C7H16 and O2 Products: CO2 and H2O Balanced chemical equation C7H16 + O2 7CO2 + 2H2O Table 8.3- Single replacement reaction of sodium Observations Test tube was hot after reaction; exothermic reaction took place; sodium was malleable; when sodium was added to diH2O it popped and fizzled; solution turned pink when phenolphthalein was added. Reactants: Na and H2O Products: H2 and NaOH Balanced chemical equation 2Na + 2H2O 2NaOH
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evaporated. * 27.30% evaporated H2O = 27.3gH2O 27.3gH2O1x1molH2O18gH2O=1.517molH2O 5) Determine the moles of ANHYDROUS copper II sulfate. (The white stuff in the dish) * 100gCuSO4gCuSO4*5H20 1002.052.82=72.7%CuSO4 (experimental) * 72.7gCuSO41x1molCuSO4160gCuSO4= 0.454 molCuSO4 6) What is your experimental ratio of copper II sulfate to water? * 0.454 CuSO4 : 1.517 H2O = 1 CuSO4 : 3 H2O .454
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