Homework Answers
Add Answer to:
number 6 and 7 please?
For the following problems, you must show your work to receive...
Calculate and fill in the following information and indicate whether the solution is acidic, basie, of...
Calculate and fill in the following information and indicate whether the solution is acidic, basie, of neutral (2 pts, each) You must show work in order to receive full credit. TH:0" рон scidi, boste or neutral TOH 0.34 6.77 x 10 [You must show work in order to receive full credit for mathematical problems) (8 pts.) Phenol (HOCH) is a weak acid used as a general disinfectant and in the manufacture of plastics Calculate the concentration of all species present...
(8 pts) Comparing dissociation constants, circle the strongest base in the following pairs. You must justify...
(8 pts) Comparing dissociation constants, circle the strongest base in the following pairs. You must justify your reasoning and show any calculations to receive credit. 5. Circle the strongest base in the pair: A. CsHsN and NHs and (pyridine and ammonia bases) Justification: B. PO. and AsO. and (phosphate and arsenate) Justification: 6. (10 pts) Calculate Ka of a weak acid given that a 2.3 M HA solution has a pH of 1.55. Ka: 7, (10 pts) Calculate the pH...
show work please! (they are two different problems & that is all im given/ asked for)...
show work please! (they are two different problems & that is
all im given/ asked for)
1. You are asked to prepare 10.00 mL of a buffer solution consisting of 0.10 M weak acid (HA) and 0.10 M conjugate base (A). The target pH of the buffer solution is 5.45. The K, of HA is 5.0 x 10-6. What volume of A is required to make the buffer? You must show your work to receive credit, (3 pts.) d. Aujus...
please help with these questions ! 2. Show how methylamine, CH,NH2 dissociates in solution and calculate...
please help with these questions !
2. Show how methylamine, CH,NH2 dissociates in solution and calculate the pH of a 0.25 M aqueous solution of the substance. Kb for CH,NH, is 1.8 x 10-4 3. Write a balanced equation to show how the following ions hydrolyze in water and write the acid or base dissociation constant for each: b) Al3 d0 HCO a) CN CH,СО, c) CO22 d)
You must show your work to receive credit. pH = -log[H₂O 1.(4 pts) For each [H3O+]...
You must show your work to receive credit. pH = -log[H₂O 1.(4 pts) For each [H3O+] below, give the pH. a. 8.7 x 10-8 M b. 7.9 x 100M 17.06 18. 2. (4 pts) For each [OH-] below, give the [H3O+] a. 10.0 x 10-6 M b. 8.4 x 10-M 1x 10 9 3. (4 pts) For each pH below, give the [H30“). 10 a. 8.5 b. 2.9 ..th 0:1.0*11- Сен 10 P7 13.16 *10-9 11.26 x 10-3 4. (4...
please show full work for understanding purposes:) 5. (4 pts) Calculate the pH of a 0.0025 M aqueous solution of s...
please show full work for understanding purposes:)
5. (4 pts) Calculate the pH of a 0.0025 M aqueous solution of strontium hydroxide, Sr(OH). Sr(OH)2 = Srz + 20H .0025 - x + x + 2x o rood .0025 - Kb = (2x² 4 = 6.5*103 0.0025 ) pH = 6. (6 pts) Calculate the pH of a 0.175 M NH; aqueous solution. K. for NH, is 1.8 x 10. pH = 180 7. (10 pts) Determine the pH of a...
To receive credit for these problems, you must show each step in a clear, neat, and...
To receive credit for these problems, you must show each step in a clear, neat, and organized manner using proper notation with each step. Each answer must be simplified as much as possible. Circle your final answer. Pencils only! 1. (5 pts) Estimate how much the function f(x)=x +4x-9 will change as x increases from 4 to 4.3. 2. (5 pts) Find y' by implicit differentiation. 3x4 + xy - x2 = 5 3. (5 pts) Find y' by implicit...
show all work 2. For the following 4 questions, you must show your work to receive...
show all work
2. For the following 4 questions, you must show your work to receive full credit: a. Calculate the frequency of a photon whose wavelength is 659 nm. b. What is the energy of a photon whose wavelength is 784 nm? c. Calculate the wavelength, in m, of a photon whose energy is 2.3 x 10-19 J. d. Calculate the energy of a photon whose wavelength is 637 nm/cycle.
Please show work 6. Determine the pH of a 0.35 M aqueous solution of (methylamine). The...
Please show work
6. Determine the pH of a 0.35 M aqueous solution of (methylamine). The kb of methylamine is 4.4 x 10-4 1. 10 2. 3.8 3. 12 4. 1.9 _-7. The solubility of manganese(l) hydroxide (Mn(OH)2) is 2.2 x 10-5 M. What is the Ksp of Mn(OH)27 1. 1.1 x 10-14 2, 4.3×10-14 3. 2.1 x 10-14 4, 4.8×10-10 8. For which salt should the aqueous solubility be most sensitive to pH? 1. CaF2 2. Ca(NO3)2 3. CaCI12...
Instructions: Complete all the problems in this assignment Show all your work and submit a PDF...
Instructions: Complete all the problems in this assignment Show all your work and submit a PDF with your answers through Husky CT for your lab section. Please e-mail me if you have an issues with the submission. Activity #1 Calculate the pH for the following acidic solutions 1. Calculate the pH and pOH for the following solutions: a. 0.200 M HNO3 b. 0.200 M H2SO4 2. Calculate the equilibrium concentration for [H], [A-], and [HA], the pH and pOH for...
Calculate and fill in the following information and indicate whether the solution is acidic, basie, of neutral (2 pts, each) You must show work in order to receive full credit. TH:0" рон scidi, boste or neutral TOH 0.34 6.77 x 10 [You must show work in order to receive full credit for mathematical problems) (8 pts.) Phenol (HOCH) is a weak acid used as a general disinfectant and in the manufacture of plastics Calculate the concentration of all species present...
(8 pts) Comparing dissociation constants, circle the strongest base in the following pairs. You must justify your reasoning and show any calculations to receive credit. 5. Circle the strongest base in the pair: A. CsHsN and NHs and (pyridine and ammonia bases) Justification: B. PO. and AsO. and (phosphate and arsenate) Justification: 6. (10 pts) Calculate Ka of a weak acid given that a 2.3 M HA solution has a pH of 1.55. Ka: 7, (10 pts) Calculate the pH...
show work please! (they are two different problems & that is
all im given/ asked for)
1. You are asked to prepare 10.00 mL of a buffer solution consisting of 0.10 M weak acid (HA) and 0.10 M conjugate base (A). The target pH of the buffer solution is 5.45. The K, of HA is 5.0 x 10-6. What volume of A is required to make the buffer? You must show your work to receive credit, (3 pts.) d. Aujus...
please help with these questions !
2. Show how methylamine, CH,NH2 dissociates in solution and calculate the pH of a 0.25 M aqueous solution of the substance. Kb for CH,NH, is 1.8 x 10-4 3. Write a balanced equation to show how the following ions hydrolyze in water and write the acid or base dissociation constant for each: b) Al3 d0 HCO a) CN CH,СО, c) CO22 d)
You must show your work to receive credit. pH = -log[H₂O 1.(4 pts) For each [H3O+] below, give the pH. a. 8.7 x 10-8 M b. 7.9 x 100M 17.06 18. 2. (4 pts) For each [OH-] below, give the [H3O+] a. 10.0 x 10-6 M b. 8.4 x 10-M 1x 10 9 3. (4 pts) For each pH below, give the [H30“). 10 a. 8.5 b. 2.9 ..th 0:1.0*11- Сен 10 P7 13.16 *10-9 11.26 x 10-3 4. (4...
please show full work for understanding purposes:)
5. (4 pts) Calculate the pH of a 0.0025 M aqueous solution of strontium hydroxide, Sr(OH). Sr(OH)2 = Srz + 20H .0025 - x + x + 2x o rood .0025 - Kb = (2x² 4 = 6.5*103 0.0025 ) pH = 6. (6 pts) Calculate the pH of a 0.175 M NH; aqueous solution. K. for NH, is 1.8 x 10. pH = 180 7. (10 pts) Determine the pH of a...
To receive credit for these problems, you must show each step in a clear, neat, and organized manner using proper notation with each step. Each answer must be simplified as much as possible. Circle your final answer. Pencils only! 1. (5 pts) Estimate how much the function f(x)=x +4x-9 will change as x increases from 4 to 4.3. 2. (5 pts) Find y' by implicit differentiation. 3x4 + xy - x2 = 5 3. (5 pts) Find y' by implicit...
show all work
2. For the following 4 questions, you must show your work to receive full credit: a. Calculate the frequency of a photon whose wavelength is 659 nm. b. What is the energy of a photon whose wavelength is 784 nm? c. Calculate the wavelength, in m, of a photon whose energy is 2.3 x 10-19 J. d. Calculate the energy of a photon whose wavelength is 637 nm/cycle.
Please show work
6. Determine the pH of a 0.35 M aqueous solution of (methylamine). The kb of methylamine is 4.4 x 10-4 1. 10 2. 3.8 3. 12 4. 1.9 _-7. The solubility of manganese(l) hydroxide (Mn(OH)2) is 2.2 x 10-5 M. What is the Ksp of Mn(OH)27 1. 1.1 x 10-14 2, 4.3×10-14 3. 2.1 x 10-14 4, 4.8×10-10 8. For which salt should the aqueous solubility be most sensitive to pH? 1. CaF2 2. Ca(NO3)2 3. CaCI12...
Instructions: Complete all the problems in this assignment Show all your work and submit a PDF with your answers through Husky CT for your lab section. Please e-mail me if you have an issues with the submission. Activity #1 Calculate the pH for the following acidic solutions 1. Calculate the pH and pOH for the following solutions: a. 0.200 M HNO3 b. 0.200 M H2SO4 2. Calculate the equilibrium concentration for [H], [A-], and [HA], the pH and pOH for...
Most questions answered within 3 hours.
-
Cash Payback Period
Primera Banco is evaluating two capital investment proposals for
a drive-up ATM kiosk,...
asked 5 minutes ago -
Create a button in Swift (Xcode) that will create a charge,
create a charge using Stripe's...
asked 5 minutes ago -
1A- Why don’t voters complain about U.S. tariffs on imported
sugar?
Because sugar is only a...
asked 7 minutes ago -
The reaction rate of CO and NO2 in the reaction
CO(g) + NO2(g) → CO2(g) +...
asked 7 minutes ago -
In
the last 3 months, mike never knows when he is going to get his
allowance...
asked 8 minutes ago -
Imagine that a chemist puts 6.40 mol each of
C3H8 and O2 in a 1.00-L container...
asked 24 minutes ago -
How much money should be invested today in order to have $8340
at the end of...
asked 28 minutes ago -
You are conducting research for a hospital and issue a survey to
patients.
Based on the...
asked 28 minutes ago -
What might be a negative mutation that would hinder the
bug population?
asked 38 minutes ago -
A company just paid a dividend of $1.50 per share. The consensus
forecast of financial analysts...
asked 33 minutes ago -
A mass of 0.50 g of an unknown acid HA required 20.0 mL of 0.25
M...
asked 43 minutes ago -
Mitch is a director and officer of Numero Uno, Inc. Mitch makes
a marketing decision that...
asked 44 minutes ago