Determine which species is more abundant at pH 10? The pKa value of alpha-NH3+ is 9.4
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:
Determine which species is more abundant at pH 10? The pKa value
of alpha-NH3+ is 9.4...
Determine which species is more abundant at pH 10? The pka value of alpha-NH3t is 9.4...
Determine which species is more abundant at pH 10? The pka value of alpha-NH3t is 9.4 :0 : 0 : 0 NH3 -NH :NH2 -ΝΗ The product is 4 times more abundant than the reactant The product is 0.6 times more abundant than the reactant The reactant is 4 times more abundant than the product The reactant is 0.6 times more abundant than the product
If one adds 0.1 mol of the weak acid HF (pKa = 32) to a solution...
If one adds 0.1 mol of the weak acid HF (pKa = 32) to a solution with a pH = 7, which species would be most abundant and how much more abundant under such conditions? O A HF and 1585 times more abundant than F- O B F -and 6310 times more abundant than HF O C HF and 6310 times more abundant than F- O D F and 1585 times more abundant than HF Unanswered Submit
Relative Abundance B Homework - Unanswered Ammonia NH3(pKb = 4.75) is a weak base. Which pair...
Relative Abundance B Homework - Unanswered Ammonia NH3(pKb = 4.75) is a weak base. Which pair of species is more abundant in a solution of ammonia with a pH = 8? OA NH3, OH O B NH , OH- OC NH3, H307 OD NH1, H30 Unanswered 2 attempts left 17 Submit
Question 15 (4 points) What is the correct structure of histidine at pH 1? The pKa...
Question 15 (4 points) What is the correct structure of histidine at pH 1? The pKa values are 1.8 (carboxylic acid), 9.2 (amine (conjugate acid)), and 6.0 (sidechain, the double bonded N in ring)? OH OC H2 NH CH NH, NH CH NH o NH CHC NH ON OH С NH H2 CH-C NH2 Question 16 (4 points) Which one is the major product of the following reaction sequence? NH2 1. excess CH31 2. Ag,0,H,O heat M my
it's a bio-chem problem. "I have attached a titration of a mock amino acid with OH-....
it's a bio-chem problem.
"I have attached a titration of a mock amino acid with OH-. I
have labeled the different charge states of the amino acid as I,
II, III, IV. I have labeled different points on the titration curve
as A, B,...G. I want you to tell me which form(s) of the species
I,II,III,IV predominates (is present at greatest concentration) at
each of the lettered points on the curve. I would also like you to
calculate the PI...
Question 6 1 pts A 10.0 mL sample of 0.25 M NH3(aq) is titrated with 0.20 M HCl(aq) (adding HCl to NH3). Determine whic...
Question 6 1 pts A 10.0 mL sample of 0.25 M NH3(aq) is titrated with 0.20 M HCl(aq) (adding HCl to NH3). Determine which region on the titration curve the mixture produced is in, and the pH of the mixture at each volume of added acid. Ko of NH3 is 1.8 x 10-5 Henderson-Hasselbalch equation: pH = pka + log og HCI NH, NH3- Parta): 1) After adding 10 mL of the HCl solution, the mixture is (Select] the equivalence...
Bleach is a common household cleaner that removes stains, disinfects, and can be used to whiten...
Bleach is a common household cleaner that removes stains, disinfects, and can be used to whiten clothes. The % ionization curve for hypochlorite is shown to the right. The primary ingredient of household bleach is sodium hypochlorite (NaCl), which is typically in a concentration around 0.67 M of the base OCI. What is the pH of household bleach? 1001.------- 1 1- % OCI ------- -- - - 1 ILI I - - 50 L 1 TT +- - - --...
0.75 / 1 point Question 10 Which of the following reactions will produce (5)-1-phenylethylamine in high...
0.75 / 1 point Question 10 Which of the following reactions will produce (5)-1-phenylethylamine in high enantiomeric purity as the major product? Check all that apply. Br NK - NH3 iii 1. O pH 5, NaCNBH3 2. NH NH2, heat ii 1. NaCN Br iy 2. LiAlH4, ether 3. H20 OTS 1. NaN, 2. LiAlH4, ether 3. H2O (Ts= para-toluenesulfonyl) i ii iii ✓iv
question 7 8 9 10 11 12 (7) Use HSAB theory to predict the following reactions...
question 7 8 9 10 11 12
(7) Use HSAB theory to predict the following reactions will go or not go (a) CH3-CH3 + H2O → CH,OH+CH (AH = 12 kcal/mol) (b) CH3COCH3 + H2O → CH3COOH + CH, (AH--13 kcal/mol ) (6%) (8) Predict the order of solubility: (9%) (a) MgSO4, CaSO4, SISOs, and Baso. (c) AgF, AgCl, AgBr, and Ag! (b) PbCI, PbBry, and Pbi! (9) List the following acids in order of acid strength in aqueous solution:...
Determine which species is more abundant at pH 10? The pka value of alpha-NH3t is 9.4 :0 : 0 : 0 NH3 -NH :NH2 -ΝΗ The product is 4 times more abundant than the reactant The product is 0.6 times more abundant than the reactant The reactant is 4 times more abundant than the product The reactant is 0.6 times more abundant than the product
If one adds 0.1 mol of the weak acid HF (pKa = 32) to a solution with a pH = 7, which species would be most abundant and how much more abundant under such conditions? O A HF and 1585 times more abundant than F- O B F -and 6310 times more abundant than HF O C HF and 6310 times more abundant than F- O D F and 1585 times more abundant than HF Unanswered Submit
Relative Abundance B Homework - Unanswered Ammonia NH3(pKb = 4.75) is a weak base. Which pair of species is more abundant in a solution of ammonia with a pH = 8? OA NH3, OH O B NH , OH- OC NH3, H307 OD NH1, H30 Unanswered 2 attempts left 17 Submit
Question 15 (4 points) What is the correct structure of histidine at pH 1? The pKa values are 1.8 (carboxylic acid), 9.2 (amine (conjugate acid)), and 6.0 (sidechain, the double bonded N in ring)? OH OC H2 NH CH NH, NH CH NH o NH CHC NH ON OH С NH H2 CH-C NH2 Question 16 (4 points) Which one is the major product of the following reaction sequence? NH2 1. excess CH31 2. Ag,0,H,O heat M my
it's a bio-chem problem.
"I have attached a titration of a mock amino acid with OH-. I
have labeled the different charge states of the amino acid as I,
II, III, IV. I have labeled different points on the titration curve
as A, B,...G. I want you to tell me which form(s) of the species
I,II,III,IV predominates (is present at greatest concentration) at
each of the lettered points on the curve. I would also like you to
calculate the PI...
Question 6 1 pts A 10.0 mL sample of 0.25 M NH3(aq) is titrated with 0.20 M HCl(aq) (adding HCl to NH3). Determine which region on the titration curve the mixture produced is in, and the pH of the mixture at each volume of added acid. Ko of NH3 is 1.8 x 10-5 Henderson-Hasselbalch equation: pH = pka + log og HCI NH, NH3- Parta): 1) After adding 10 mL of the HCl solution, the mixture is (Select] the equivalence...
Bleach is a common household cleaner that removes stains, disinfects, and can be used to whiten clothes. The % ionization curve for hypochlorite is shown to the right. The primary ingredient of household bleach is sodium hypochlorite (NaCl), which is typically in a concentration around 0.67 M of the base OCI. What is the pH of household bleach? 1001.------- 1 1- % OCI ------- -- - - 1 ILI I - - 50 L 1 TT +- - - --...
0.75 / 1 point Question 10 Which of the following reactions will produce (5)-1-phenylethylamine in high enantiomeric purity as the major product? Check all that apply. Br NK - NH3 iii 1. O pH 5, NaCNBH3 2. NH NH2, heat ii 1. NaCN Br iy 2. LiAlH4, ether 3. H20 OTS 1. NaN, 2. LiAlH4, ether 3. H2O (Ts= para-toluenesulfonyl) i ii iii ✓iv
question 7 8 9 10 11 12
(7) Use HSAB theory to predict the following reactions will go or not go (a) CH3-CH3 + H2O → CH,OH+CH (AH = 12 kcal/mol) (b) CH3COCH3 + H2O → CH3COOH + CH, (AH--13 kcal/mol ) (6%) (8) Predict the order of solubility: (9%) (a) MgSO4, CaSO4, SISOs, and Baso. (c) AgF, AgCl, AgBr, and Ag! (b) PbCI, PbBry, and Pbi! (9) List the following acids in order of acid strength in aqueous solution:...
Most questions answered within 3 hours.
-
Week 10 - Professional Memo Assignment
Professional Memo Assignment
Your mission for this week, should you...
asked 21 seconds ago -
Write a Python program that stores the data for each
player on the team, and it...
asked 10 minutes ago -
In
the last 3 months, mike never knows when he is going to get his
allowance...
asked 34 minutes ago -
Is Ca(OH)2 a Bronsted base, Lewis base, or both? Why?
asked 24 minutes ago -
1A- Why don’t voters complain about U.S. tariffs on imported
sugar?
Because sugar is only a...
asked 33 minutes ago -
Cash Payback Period
Primera Banco is evaluating two capital investment proposals for
a drive-up ATM kiosk,...
asked 31 minutes ago -
Create a button in Swift (Xcode) that will create a charge,
create a charge using Stripe's...
asked 31 minutes ago -
The reaction rate of CO and NO2 in the reaction
CO(g) + NO2(g) → CO2(g) +...
asked 33 minutes ago -
Imagine that a chemist puts 6.40 mol each of
C3H8 and O2 in a 1.00-L container...
asked 50 minutes ago -
How much money should be invested today in order to have $8340
at the end of...
asked 54 minutes ago -
You are conducting research for a hospital and issue a survey to
patients.
Based on the...
asked 54 minutes ago -
What might be a negative mutation that would hinder the
bug population?
asked 1 hour ago