Dimethylamine, (CH4)2NH, is a base with many industrial applications. a. Write the balanced equation and the...
Dimethylamine, (CH4)2NH, is a base with many industrial applications.
a. Write the balanced equation and the K% expression for the reaction of dimethylamine and water (K% = 5.9 x 10-4).
b. Calculate the pH of 0.050 M dimethylamine
Homework Answers
![Now we will put the value of concentration in this equation then we get 10.050] [ 0.0508) (0.050 - 010504] - (0.080) 2 & 2 0.](http://img.homeworklib.com/questions/d26a6ad0-cc67-11ea-89b0-81e7431dcbaf.png?x-oss-process=image/resize,w_560)
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Dimethylamine, (CH4)2NH, is a base with many industrial
applications.
a. Write the balanced equation and the...
dimethylamine (CH3)2NH, is a weak base with a Kb of 5.95*10-4. It is titrated with hydrochloric...
dimethylamine (CH3)2NH, is a weak base with a Kb of 5.95*10-4. It is titrated with hydrochloric acid (HCl). A. Write the reaction with proper substances, arrows, and states of matter. B. If 25.00mL of a 0.130 M (CH3)2NH are mixed with 8.00mL of 0.200 M HCl, what is the pH? C. At what volume of 0.200 M HCl is required to reach the equivalence point?
a)Calculate the pH of a weak base solution ([B]0 > 100 • Kb). Close Problem Calculate...
a)Calculate the pH of a weak base solution ([B]0 > 100 • Kb). Close Problem Calculate the pH of a 0.289 M aqueous solution of triethanolamine (C6H15O3N, Kb = 5.8×10-7) and the equilibrium concentrations of the weak base and its conjugate acid. pH = [C6H15O3N]equilibrium = M [C6H15O3NH+]equilibrium = M b) Calculate the pH of a 0.0338 M aqueous solution of dimethylamine ((CH3)2NH, Kb = 5.9×10-4) and the equilibrium concentrations of the weak base and its conjugate acid. pH =...
A)Calculate the pH of a weak base solution ([B]0 > 100 • Kb). Close Problem Calculate the pH o...
a)Calculate the pH of a weak base solution ([B]0 > 100 • Kb). Close Problem Calculate the pH of a 0.289 M aqueous solution of triethanolamine (C6H15O3N, Kb = 5.8×10-7) and the equilibrium concentrations of the weak base and its conjugate acid. pH = [C6H15O3N]equilibrium = M [C6H15O3NH+]equilibrium = M b) Calculate the pH of a 0.0338 M aqueous solution of dimethylamine ((CH3)2NH, Kb = 5.9×10-4) and the equilibrium concentrations of the weak base and its conjugate acid. pH = ...
2. For each of the following species, write a balanced chemical equation for its reaction with...
2. For each of the following species, write a balanced chemical equation for its reaction with warden and calculate K. or ki for its conjugate acid or base from the information given. (a) CO32-, ks = 1.8 x 10-4 (b) NH2OH (hydroxylamine), ks = 1.1 x 10-8 (c) CsHsNH(pyridinium), K. = 5.88 x 10-6 3. Calculate [OH-], [H], por, and pH of a 0.0020 M Ba(OH)2 solution at 25 °C.
Calculate the pH of a Weak Base Question The weak base dimethylamine, NH(CHs)2, has a molar...
Calculate the pH of a Weak Base Question The weak base dimethylamine, NH(CHs)2, has a molar mass of 45.09 g/mol and a base-dissociation constant K, 5.4 x 10. What is the pH of an aqueous solution of dimethylamine that contains 2.04 g of dimethylamine in 0.100 L of solution? Use pK 14.0 for the ion-product of water. Round your answer to one decimal place. Provide your answer below pi-14.0 FEEDBACK MORE INSTRUCTION Content attribution
13. (25 pts total) Dimethylamine, or (CH3)2 NH, is a weak base with a Ko of...
13. (25 pts total) Dimethylamine, or (CH3)2 NH, is a weak base with a Ko of 5.95 x 104. It is titrated with hydrochloric acid (Hc) (a) (5 pts) Write the reaction with proper substances, arrows, and states of matter. Note: I may accept several versions of this reaction, but use the entire chemical formula of the weak base. (b) (13 pts) If 25.00 mL of 0.130 M (CH3)2NH are mixed with 8.00 mL of 0.200 M HCI, what is...
1. Write a balanced equation for the reaction of HCN in water. Identify the acid, base, conjugate acid and conjugate base.
1. Write a balanced equation for the reaction of HCN in water. Identify the acid, base, conjugate acid and conjugate base.2. Write a balanced equation for the reaction of NH3 in water. Identify the acid, base, conjugate acid and conjugate base. 3. Write a balanced equation for the reaction of HPO42- in water (where HPO42- is acting as the acid). Identify the acid, base, conjugate acid and conjugate base.4. Write a balanced equation for the reaction of HPO42- 2 in...
23/24/25 Write the K, expression for an aqueous solution of hypochlorous acid: (Note that either the...
23/24/25
Write the K, expression for an aqueous solution of hypochlorous acid: (Note that either the numerator or denominator may contain more than one chemical species. Enter the complete numerator in the top box and the complete denominator in the bottom box. Remember to write the hydronium ion out as H2O+, and not as H) rap Write the K expression for an aqueous solution of hydrocyanic acid: (Note that either the numerator or denominator may contain more than one chemical...
2. Calculate the pH of the following solutions: (a) [H3O+] = 1.4 x 10-'M (b) [OH-]...
2. Calculate the pH of the following solutions: (a) [H3O+] = 1.4 x 10-'M (b) [OH-] = 3.5 x 10-2M (c) pOH = 10.5 3. What is the pH of a 0.10 M solution of HCIO4? (A strong acid) 4. Write the dissociation reaction and the corresponding K, expression for the following acids in water. (a) H3PO4 (b) C&H OH 5. Write the reaction and corresponding Ko expression for each of the following bases in water. (a) NH3 (b) PO4...
At 40.0 C, pKa for the conjugate acid diethylamine, (C2H5)2NH IS 11.02 . A. Write the...
At 40.0 C, pKa for the conjugate acid diethylamine, (C2H5)2NH IS 11.02 . A. Write the balanced chemical equation for the dissociation of diethylamine in water. B. Calculate Kb at 40.0 C for diethylamine. Kw is 3.0 X10^-14 at 40.0 C C. Calculate delta G standard at 40.0 C for the dissociation of diethylamine in water. D. What is delta G at 40.0 C when [(C2H5)2NH] = 0.285 m, [OH-]= 0.00989 m? E. At what pH will delta G at...
2. For each of the following species, write a balanced chemical equation for its reaction with warden and calculate K. or ki for its conjugate acid or base from the information given. (a) CO32-, ks = 1.8 x 10-4 (b) NH2OH (hydroxylamine), ks = 1.1 x 10-8 (c) CsHsNH(pyridinium), K. = 5.88 x 10-6 3. Calculate [OH-], [H], por, and pH of a 0.0020 M Ba(OH)2 solution at 25 °C.
Calculate the pH of a Weak Base Question The weak base dimethylamine, NH(CHs)2, has a molar mass of 45.09 g/mol and a base-dissociation constant K, 5.4 x 10. What is the pH of an aqueous solution of dimethylamine that contains 2.04 g of dimethylamine in 0.100 L of solution? Use pK 14.0 for the ion-product of water. Round your answer to one decimal place. Provide your answer below pi-14.0 FEEDBACK MORE INSTRUCTION Content attribution
13. (25 pts total) Dimethylamine, or (CH3)2 NH, is a weak base with a Ko of 5.95 x 104. It is titrated with hydrochloric acid (Hc) (a) (5 pts) Write the reaction with proper substances, arrows, and states of matter. Note: I may accept several versions of this reaction, but use the entire chemical formula of the weak base. (b) (13 pts) If 25.00 mL of 0.130 M (CH3)2NH are mixed with 8.00 mL of 0.200 M HCI, what is...
23/24/25
Write the K, expression for an aqueous solution of hypochlorous acid: (Note that either the numerator or denominator may contain more than one chemical species. Enter the complete numerator in the top box and the complete denominator in the bottom box. Remember to write the hydronium ion out as H2O+, and not as H) rap Write the K expression for an aqueous solution of hydrocyanic acid: (Note that either the numerator or denominator may contain more than one chemical...
2. Calculate the pH of the following solutions: (a) [H3O+] = 1.4 x 10-'M (b) [OH-] = 3.5 x 10-2M (c) pOH = 10.5 3. What is the pH of a 0.10 M solution of HCIO4? (A strong acid) 4. Write the dissociation reaction and the corresponding K, expression for the following acids in water. (a) H3PO4 (b) C&H OH 5. Write the reaction and corresponding Ko expression for each of the following bases in water. (a) NH3 (b) PO4...
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