Explain the difference in the melting points of the linoleic acid and linolenic acid:
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Explain the difference in the melting points of the linoleic acid and linolenic acid:
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- A glucosamine solution of unknown concentration was diluted as follows: 1 mL of the solution was diluted to 5.0 mL. A 0.3 mL aliquot of this solution was diluted with 0.7 mL of water; the absorbance of this was measured and found to be 0.440 (uncorrected, must subtract blank). What is the concentration of the original undiluted glucosamine hydrochloride solution in µmol/mL? Given: Corrected absorbance = 0.395 y= 1.165x+0.055 Standard equationDraw the dominant form(s) AND indicate the percent composition of each form of glutamic acid when the pH is adiusted to 4.25.Refer to the following titration curve below: 13 12 11 10 7 5 4 3 2 8 10 12 14 16 18 20 22 24 26 28 30 Volume of Titrant / mL Unknown Acid 0.10 mol/L - titrant = NaOH 0.1 mol/L How many buffering regions are present in the titration curve of the amino acid?
- What is the pH of a 0.25 M solution of acetic acid, Ka = 1.8 x 105. What percentage of the acid is dissociated?If 10x TBE contains 0.89 M Tris-borate, 0.89 M Boric acid, and 0.02 M EDTA, what is the Molar concentration of Tris-borate in 100 ml of 1x TBE?Indicate whether a solution will have more OH- or H+if the value of the solution is 10.
- Normal arterial pH is 7.35 to 7. 45. Both metabolic and respiratory alkalosis have pH more basic compare to the normal arterial pH. The difference is 0.5 units. What is pH value in alkalosis? Niemann-Pick type C disease is a progressive neurological disease; symptoms include unsteady walking with uncoordinated limb movements, slurred speech, a difficulty in swallowing, epilepsy and tremor. This condition is due to the abnormal functioning of a lysosome. State the normal functions performed by this organelle.Sketch a titration curve and the structures of the major ionic forms of glutamic acid that exist in solution at the noted parts of the titration curve. Refer to the fully pronated glutamic acid and the pKa.What would be the working stock concentration (in molarity) if you diluted 250 uL of a stock concentration of 10 uM in a total volume of 1 mL?
- Define the following:- pH- Buffer- pKaDiscuss the color changes that occurred in EDTA titration. Show the formula if necessary.What mass of sodium glycolate (NaC2H3O3) should be added to 400.0 mL of 1.00 M glycolic acid to produce a buffer solution with a pH of 4.00? Ka = 1.47 x 10-4. Please indicate the full solutions.