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- Amino acids, such as glycine, are the key buidling blocks of proteins. At the pH of the stomach, glycine exists predominantly in a protonated form in which there are two acidic protons of interest. The pka values for these protons are shown. Using this information, draw the form of glycine that will predomniate at physiological pH of 7.4. Include lone pairs and formal charges.Give a clear explanation handwritten in detailed of both subparts pleaseWhich of the underlined protons for molecule 1 and 2 is more acidic and why?
- Following is a structural formula for guanidine, the compound by which migratory birds excrete excess metabolic nitrogen. The hydrochloride salt of this compound is a white crystalline powder, freely soluble in water and ethanol. Q. Does proton transfer to guanidine occur preferentially to one of its -NH2 groups (cation A) or to its =NH group (cation B)? Explain.Thiocyanic acid (HSCN) is an inorganic acid (pKa = 1.1 at 25 °C) that can be classified as “strong” largely due to resonance stabilization of its conjugate base, thiocyanate (SCN– ). In the space provided below, draw Lewis electron dot structures of SCN- and all of its important resonance forms.Give a clear handwritten answer with explanation needed ..??
- Draw MO diagram of BHCL2 and state the HOMO and LUMO and discuss it's lewis acid / base behaviours.A justification for the rankings based on the factors that influence the relative stability of the different conjugate bases. I need to answer these for C3H5ClO2, ClCH2CO2, and CH3COOH. (Acetic acid, 3-chloropropanic, and chloroacetic acid). Pleaseeee help I will definitely rateReally hoping for solutions since I’m having a hard time with this. Pls. skip if unsure or not willing to answer the subitems (these are all connected for one item). Thanks in advanced. When the compounds analyzed by Robrob were passed on to the next test, anotherscientist, Kikoko, needed to determine the molecular weight of the active compound. They created a solution with a concentration of 20.0%w/w from the solid active compound and the solution had a density of 1.40 g/mL. From this solution, 10μL was taken and mixed with 190μL of reagent and water. It was analyzed and showed a concentration of 5x10-4 M compound.a. What is the concentration (in molarity) of the 20%w/w solution? b. Why was the concentration of the solution expressed as %w/w initially? c. What is the molecular weight of the active compound?