Homework Answers
Request Answer!
We need at least 10 more requests to produce the answer.
0 / 10 have requested this problem solution
The more requests, the faster the answer.
Add Answer to:
Valine has pK, values of 2.32 and 9.62. At what pH will valine exist in the...
eurse Home <Post-class assignment - Week 9 Problem 21.49 - Enhanced - with Feedback Serine has...
eurse Home <Post-class assignment - Week 9 Problem 21.49 - Enhanced - with Feedback Serine has pK, values of 2.21 and 9.15. At what pH will serine exist in the indicated form? - Part A H₂N. LÓ HEN HO 50% HO 50% Express your answer using two decimal places. V AEO O ? pH = 5.68 Submit Previous Answers Request Answer o RH ost-class assignment - Week 9 oblem 21.49 - Enhanced - with Feedback Part B H₂ď i o...
TABLE 5.1 PK values for amino acids 2.36 Amino acid Alanine Arginine Asparagine Aspartic acid Cysteine...
TABLE 5.1 PK values for amino acids 2.36 Amino acid Alanine Arginine Asparagine Aspartic acid Cysteine Glutamic acid Glutamine Glycine Histidine Isoleucine Leucine Lysine Methionine Phenylalanine Proline Serine Threonine Tryptophan Tyrosine Valine PK, PK₂ 2.34 9.69 2.17 9.04 2.02 8.80 1.88 9.60 1.96 10.28 2.19 9.67 2.17 9.13 2.34 9.60 1.82 9.17 9.60 9.60 2.18 8.95 2.28 1.83 9.13 1.99 10.60 2.219.15 2.09 9.10 2.83 9.39 2.20 9.11 2.32 9.62 2.36 9.21 5.56. Of the amino acids listed in Table...
2. Using the reference pk values provided below (assuming that pk values can be applied to...
2. Using the reference pk values provided below (assuming that pk values can be applied to ionazable R groups in peptides) a) Draw the complete structure of the peptide IDKSMH that exists at physiological pH 7.4 b) What is the charge of the peptide at pH 7.4? c) What is the charge of the peptide at pH 10? PR, es pkk ) Rougl Amino acid COOH) Nonpolar, aliphatic Rgroups Glycine Alanine Proline Valine 1.99 10.98 Loucine 236 2.35 921 8.13...
Determine the pH and pOH for each of the following solutions:Determine the pH and pOH for...
Determine the pH and pOH for each of the following solutions:Determine the pH and pOH for each of the following solutions: Part A [H3O+] = 2.1×10−8 M Express your answer using two decimal places. pH = SubmitRequest Answer Part B [H3O+] = 2.1×10−8 M Express your answer using two decimal places. pOH = SubmitRequest Answer Part C [H3O+] = 5.8×10−2 M Express your answer using two decimal places. pH = SubmitRequest Answer Part D [H3O+] = 5.8×10−2 M Express your...
Part A What is the pH of a buffer solution containing 0.10 M H2CO3 and 0.10...
Part A What is the pH of a buffer solution containing 0.10 M H2CO3 and 0.10 M NaHCO3 ? Express your answer using two decimal places pH- Submit Request Answer Part B ,co, and 0.053 M NaHCO? What is the pH of a buffer solution containing 0.25 M Express your answer using two decimal places. pH - Request Answer Submit
Determine the pH for the following solutions: Part A [OH-] = 2.7x10-7M Express your answer using...
Determine the pH for the following solutions: Part A [OH-] = 2.7x10-7M Express your answer using two decimal places. ANSWER: pH = Part B H3O+] = 4.7x10-3M Express your answer using two decimal places. ANSWER: pH = Part C [H3O+] = 2x10-4M Express your answer using one decimal place. ANSWER: pH = Part D [OH-] = 8.0x10-9 M Express your answer using two decimal places. ANSWER: pH = Problem 10.92 Calculate the [H3O+] and [OH-] for a solution with the...
([conjugate base). pH=pK,+log (weak acido A weak acid has pk - 5.10. A student mixes 0.0300...
([conjugate base). pH=pK,+log (weak acido A weak acid has pk - 5.10. A student mixes 0.0300 mole of this weak acid with 0.0200 mole of its conjugate base. She then adds 0.0100 mole of H to this buffer. What is the pH (Enter the pH to 2 decimal places) after adding the H? Answer: -0.88
4. A diprotic acid has the following pK values: pKa1 = 5.50, pKa2 = 9.50 A....
4. A diprotic acid has the following pK values: pKa1 = 5.50, pKa2 = 9.50 A. At what pH does [H2A] = [HA- ]? B. At what pH doe [HA- ] = [A2- ]? C. Which is the principal species at pH = 3.50, H2A, HA- , or A2- ? Justify your answer using the Henderson-Hasselbach equation. D. Which is the principal species at pH = 7.5, H2A, HA- , or A2- ? Justify your answer (don’t use Henderson-Hasselbach equation,...
Determine the pH of each of the following solutions. A, B, C, D, E Part A...
Determine the pH of each of the following solutions. A, B, C, D, E
Part A 1.50x10-2 M HC104 Express your answer using three decimal places. IV ALQ R 0 = ? pH = Submit Request Answer Part B 0.105 M HClO2 Express your answer using two decimal places. VALD ROO? pH = Submit Request Answer Part C 4.5x10-2 M Sr(OH)2 Express your answer using two decimal places. IVO ALO O O ? pH- Submit Request Answer Part D 8...
please answer part (ii) (b) The amino acid lysine has the following values of pK :...
please answer part (ii)
(b) The amino acid lysine has the following values of pK : PK1 =2.2, pK2 = 8.9, PKR = 10.5 (the pK, of the amino group in the side chain). At pH 7 it has the structure shown below (6). Draw the structure that you would expect for lysine at pH 9.7, indicating the charges as appropriate. HZN 0 HINA (2 marks) (c) Phenol (C6H5OH) and 2,4,6-trichlorophenol (C6H2C13OH) are both weak acids with pK, values of...
eurse Home <Post-class assignment - Week 9 Problem 21.49 - Enhanced - with Feedback Serine has pK, values of 2.21 and 9.15. At what pH will serine exist in the indicated form? - Part A H₂N. LÓ HEN HO 50% HO 50% Express your answer using two decimal places. V AEO O ? pH = 5.68 Submit Previous Answers Request Answer o RH ost-class assignment - Week 9 oblem 21.49 - Enhanced - with Feedback Part B H₂ď i o...
TABLE 5.1 PK values for amino acids 2.36 Amino acid Alanine Arginine Asparagine Aspartic acid Cysteine Glutamic acid Glutamine Glycine Histidine Isoleucine Leucine Lysine Methionine Phenylalanine Proline Serine Threonine Tryptophan Tyrosine Valine PK, PK₂ 2.34 9.69 2.17 9.04 2.02 8.80 1.88 9.60 1.96 10.28 2.19 9.67 2.17 9.13 2.34 9.60 1.82 9.17 9.60 9.60 2.18 8.95 2.28 1.83 9.13 1.99 10.60 2.219.15 2.09 9.10 2.83 9.39 2.20 9.11 2.32 9.62 2.36 9.21 5.56. Of the amino acids listed in Table...
2. Using the reference pk values provided below (assuming that pk values can be applied to ionazable R groups in peptides) a) Draw the complete structure of the peptide IDKSMH that exists at physiological pH 7.4 b) What is the charge of the peptide at pH 7.4? c) What is the charge of the peptide at pH 10? PR, es pkk ) Rougl Amino acid COOH) Nonpolar, aliphatic Rgroups Glycine Alanine Proline Valine 1.99 10.98 Loucine 236 2.35 921 8.13...
Part A What is the pH of a buffer solution containing 0.10 M H2CO3 and 0.10 M NaHCO3 ? Express your answer using two decimal places pH- Submit Request Answer Part B ,co, and 0.053 M NaHCO? What is the pH of a buffer solution containing 0.25 M Express your answer using two decimal places. pH - Request Answer Submit
Determine the pH for the following solutions: Part A [OH-] = 2.7x10-7M Express your answer using two decimal places. ANSWER: pH = Part B H3O+] = 4.7x10-3M Express your answer using two decimal places. ANSWER: pH = Part C [H3O+] = 2x10-4M Express your answer using one decimal place. ANSWER: pH = Part D [OH-] = 8.0x10-9 M Express your answer using two decimal places. ANSWER: pH = Problem 10.92 Calculate the [H3O+] and [OH-] for a solution with the...
([conjugate base). pH=pK,+log (weak acido A weak acid has pk - 5.10. A student mixes 0.0300 mole of this weak acid with 0.0200 mole of its conjugate base. She then adds 0.0100 mole of H to this buffer. What is the pH (Enter the pH to 2 decimal places) after adding the H? Answer: -0.88
Determine the pH of each of the following solutions. A, B, C, D, E
Part A 1.50x10-2 M HC104 Express your answer using three decimal places. IV ALQ R 0 = ? pH = Submit Request Answer Part B 0.105 M HClO2 Express your answer using two decimal places. VALD ROO? pH = Submit Request Answer Part C 4.5x10-2 M Sr(OH)2 Express your answer using two decimal places. IVO ALO O O ? pH- Submit Request Answer Part D 8...
please answer part (ii)
(b) The amino acid lysine has the following values of pK : PK1 =2.2, pK2 = 8.9, PKR = 10.5 (the pK, of the amino group in the side chain). At pH 7 it has the structure shown below (6). Draw the structure that you would expect for lysine at pH 9.7, indicating the charges as appropriate. HZN 0 HINA (2 marks) (c) Phenol (C6H5OH) and 2,4,6-trichlorophenol (C6H2C13OH) are both weak acids with pK, values of...
Most questions answered within 3 hours.
-
Atmospheric Mass
Venus and Earth have about the same mass and radius, but the
atmospheric pressure...
asked 38 minutes ago -
5. Discuss the use of fault tree analysis (FTA) for risk
assessment (maximum one paragraph).
asked 1 hour ago -
Given that a sample of aluminium oxide has a Young's modulus of
393 GPa and a...
asked 3 hours ago -
At a certain temperature, the equilibrium constant, Kc, for this
reaction is 53.3.
H2(g)+I2(g)−⇀↽−2HI(g)Kc=53.3
At this...
asked 4 hours ago -
Question1 ) The STL provides similiar classes called stack and
queue, both of which gave functions...
asked 5 hours ago -
For Questions 1-4, assume you have 5 bits available:
1. For (positive) integers: What is the...
asked 5 hours ago -
convert grams into vloume with the density of water being at
.997514 g/cm^3 at 23.1 Celsuis...
asked 7 hours ago -
Foreman company obtained a $20,000, 6% loan on May 1, 2018.
Principal and interest will be...
asked 7 hours ago -
5. Problem 11.05 (Discounted Payback)
eBook
Project L costs $60,000, its expected cash inflows are $14,000
per...
asked 8 hours ago -
1. Which of the following is true about politics and health
organizations?
A. Health organizations are...
asked 8 hours ago -
A space vehicle is coasting at a constant velocity of 18.1 m/s
in the +y direction...
asked 9 hours ago -
5) Use the following balanced equation to answer questions
(a)-(i).
3 Cu(s) + 8 HNO3(aq) →...
asked 9 hours ago