pipets of cooked starch and amylase will diffuse through their dialysis bag into the beaker containing 2/3 water and four pipets of Lugol’s solution. Thus being stated, the null hypothesis would be, the four pipets of cooked starch and amylase will not diffuse through their dialysis bag into the beaker containing 2/3 water and four pipets of Lugol’s solution. In order to test our hypothesis, I set up a control beaker (Beaker
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away from the NaCl solution in every scenario, leading to the conclusion that it has the highest water potential of the solutions tested. Because a greater proportion of water diffused away from the sucrose than the glucose, it can be hypothesized that the sucrose has a lower water potential than glucose. Because water diffused to the glucose and away from the 5% ovalbumin solution, we can also hypothesize that the glucose has a lower water potential than the 5% ovalbumin solution. In order from greatest
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company providing web development, website design, Seo, Mobile Application, Internet marketing services. Clag Tech is leading IT Company for software solutions and provides top quality solution to their domestic and international clients. Our core motive is to become the appropriate IT partner for its customers by delivering them the best solutions, which are suitable for their requirements. We are well versed with the software product engineering life cycle and provide technical and functional resources
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Lantek Expert III, an integrated ERP solution aimed at companies operating in the metal and sheet metal, profile and tube processing sector. Lantek, a multinational leader in CAD/CAM software applications, has more than a decade’s experience in developing business management solutions, an area that it is currently booming and in which it is extending its international expansion strategy, in order to establish itself as one of the main world suppliers of ERP solutions for the sheet metal market. In this
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the following solutions? a) 25.2 g of a 4.25 % w/w solution of glucose 25.2 g solution x 4.25 g solute = 1.07 g solute 100 g solution b) 125 g of a 6.55% w/w solution of sodium sulfate 125 g solution x 6.55 g solute = 8.19 g solute 100 g solution 7.3 How many grams of KHCO3 must you add to 250 mL of water to prepare a 0.600% w/v solution? 0.600% w/v solution means grams of solute = 0.600 g = 0.006 mL of solution 100 mL
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graduated pipette 1 x 20 cm3 of stock NADH (80 g cm-3) 1 x 20 cm3 of 50 mM phosphate buffer pH 7.2 2 x semi micro cuvettes Distilled water wash bottle Access to a Whirly mixer Access to Novaspec digital spectrophotometer 1 x 5 cm3 of a solution of NADH of unknown concentration. Method: 1. Using the protocol depicted in Table 1 set up 6 standard concentrations of NADH in buffer ranging from 0 to 80 µg cm-3. Table 1: Protocol for NADH standard curve. Tube Number. | 1 | 2 | 3 |
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Buffer solutions and common ion effect A buffer solution resists (or buffers) a change in its pH. That is, we can add a small amount of an acid or base to a buffer solution and the pH will change very little. How to calculate pH of buffer solution containing both acid and conjugate base? Dissociation constant definition 1.1 can be rearranged into [pic] or [pic] (note that due to sign change [A-] was moved to nominator). This is so called Henderson-Hasselbalch equation (or buffer equation)
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the following mixture problem. Problem: What quantity (amount) of a 60% acid solution must be mixed with a 30% acid solution to produce 300 mL of a 50% acid solution? Analysis: In this analysis (an integral part of the solution process) I will state the steps in logical order. Beneath each step, in small blue indented type, I will state the reason/logic/explanation for that step. (1) Let x be the amount of the 60% solution to be added. Begin by assigning a variable to the quantity (not the rate) of
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Running head: PROBLEM SOLUTION: GLOBAL COMMUNICATIONS Problem Solution: Global Communications John Doe University of Phoenix Problem Solution: Global Communications Problem-based learning allows the student to develop his or her problem-solving skills by applying them to an authentic scenario that requires them to identify a problem, apply a problem-solving approach to develop and analyze alternative solutions, and recommend and defend an optimal solution (University of Phoenix, 2010
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Buffering Work and Family Conflict Cyndi Willis Author note: This assignment was made by Cyndi Willis on July 25, 2014 for Kathryn Chiplis’ Work and Family course at Rasmussen College. Buffering Work and Family Conflict There are many things that create conflict when one is trying to balance their work life and their family life. Sometimes it becomes increasingly overwhelming trying to keep a job and move up the ranks to a higher paying position while still pleasing your spouse, kids, and just
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