30. Which of these will not give a blue solution with Ninhydrin test b. Phe d. Cys Pro 31. A neutral molecule with a positive and negative electrical charge. a. Isoelectric point a. C. Ala b. Zwitterions Buffer d. Amphoteric C. 32. 3 amino acids joined together by two peptide bonds. a. Dipeptide 33. An amino acid that can form disulfide bonds a. Cysteine b. Tripeptide c. Tetrapeptide d. Polypeptide b. Methionine c. Cystine d. Serine

Q: What is the difference between the endpoint of a titration and the equivalence point?

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: C10H12NO4N is a weak base and has a Kb of 1.58x10-10.  One, 0.650g, is dissolved in 235mL of…

A:

Q: For each of the following, determine a. what the buffer range is (use Ka or Kb tables) b. what the…

A: Answer: Solution of weak acid and its conjugate base or weak base and its conjugate acid will act…

Q: The acid solution is known to contain 3 moles of HA with a constant of Ka and 1 mol of Na. Of 1 mole…

A:

Q: NHINHS A mmonium ion + amnoonia Making a buffe. e aud 0-lDM 215omL of base The measure eta the…

A: The given case is a buffer solution. So, according to Henderson equation :  pH = pKa +…

Q: 02. A 10.00 mL sample of phosphoric acid was titrated to endpoint with a 0.2222 M NaOH solution. The…

A: Phosphoric acid reacts with sodium hydroxide to form sodium phosphate and water. The equation for…

Q: Sol'n MgCl soln Zine So4 Lead Nitrate Col Gre

A: " Since you have posted a question with multiple sub-parts,we will solve first three sub-parts for…

Q: A lake water is analyzed and found to have 1.2 mg NH4*/L, at pH = 7.8. a. Using pKa and ionization…

A: pKa for NH4+ ions is equal to 9.26.

Q: Question 28 Match the following redox titration methods to their corresponding titrants. ✓ KMnO4…

A: Titration is the process in which concentration of a compound is determined in a solution of unknown…

Q: 11. Which of the following pairs of compounds could be used to make a buffer solution? a. HNO3 and…

A: we have to select the pair of compounds that is a buffer solution.

Q: 10. A balloon that's inflated indoors and then taken outside on a cold day will: a. increase in…

A: Charles law:-           For a fixed mass of a gas at constant pressure, volume of a gas increase…

Q: 4. The equivalence point of an acid-base titration curve is at pH 8.1. Which dye can be used as the…

A: The indicator is a weak acid (HIn) which shows colour in its deprotonated form (In-).

Q: Which salt would increase in solubility if a strong acid is added to the solution? OA TIBr OB. KCIOA…

A: • Since we know that according to the Le Chatelier's principle, the solubility of those salts…

Q: How would the following error affect this lab? When completing the titration a dark pink endpoint…

A: Experiment: To measure antacid neutralising capacity.Observation given: end pointRight conclusion:…

Q: 9.Circle the pH value for each of the following 0.1 M solutions: a. NH,CI 1 between 1&7 between 7&13…

A: Given : Concentration of salts are 0.1 M. pH of any salt solution is decided by the nature of the…

Q: Match the following redox titration methods to their corresponding titrants. KMnO4 solution 12…

A: Match the following redox titration methods--

Q: Estimate AS for the following reactions: a. 2 C10H22 (1) +31 O2 (g) b. HCI (g) + NH3 (g) ---- NH4Cl…

A: Note : Since you have posted multiple questions, we are entitled to answer the first only. Please…