For each of the following chemicals, name the general class they belong to, discuss their solubility in water and explain why they are/are not soluble in water: a) CH3(CH2)26COOH b) KCl c) CH3
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For each of the following chemicals, name the general class they belong to, discuss their solubility in water and explain why they are/are not soluble in water:
- a) CH3(CH2)26COOH
- b) KCl
- c) CH3
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- For each of the following chemicals, name the general class they belong to, discuss their solubility in water and explain why they are/are not soluble in water (note the numbers are all subscripts): a) CH3(CH2)26COOH b) KCl c) CH3OHWhich one of the following substances would you expect to be most soluble in water?A) ButanolB) Butanoic acidC) 2-pentanoneD) PropaneMark the CORRECT alternative regarding the amino acid tyrosine: a) It can present anionic forms with two different charge magnitudes at pH values above the isoelectric point b) it is considered as a basic amino acid c) pH 7 migrates towards the cathode d) the side chain is not part of the acid-base equilibria that take place in aqueous solution e) exhibits minimal solubility in water at a pH value greater than 7
- What is the pH of the solution given the following information? Methyl orange = yellow Methyl red = yellow Bromothymol blue = green Note: use the provided reference table for color indicators below as a guide pH 5 pH 8 pH 7 pH 6the pH of a solution is decreased from 9 to 8, it means that the A) concentration of H+ has decreased to one-tenth (1/10) what it was at pH 9. B) concentration of H+ has increased 10-fold (10X) compared to what it was at C) concentration of OH- has increased 10-fold (10X) compared to what it was at D) concentration of OH- has decreased to one-tenth (1/10) what it was at pH 9. E) Both B and D are correct. pWhich lipid sample (butter/oil is soluble or miscible in water? Explain.
- Your protein has a pI of 8.34 and is in a pH 7 buffer. Which of the chromatographs below would you use to purify it. * a) cation exchange b) anion exchange c) hydrophobic interaction d) reverse phaseYou have a 1000X stock solution of sodium chloride (NaCl). The concentration of NaCl in the stock solution is 5M. a)How would you make 300mL of a 1X solution? b)What is the concentration of NaCl in your 1X solution?Which of these compounds is most soluble in water at pH 7.0? (Note that the non- ionized forms are shown, and remember that ionization will impact solubility!) ( CH3-CH2-CH2-CH2-NH2 CH3-CH₂-CH₂-CH₂-CH3 O CH3-CH2-CH2-CH2-CHO OCH3-CH₂-HCO-O-CH3 (an ester)