Draw the product of the reaction shown below at physiological pH (pH = 7.4). Ignore inorganic byproducts. 1. NH4Cl, NaCN 2. HCI, H₂O, heat Drawing Dr Ma
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- 5. a) The Kw value that we normally use is for room temperature (25°C). Calculate the equilibrium H+ concentration and pH of pure, neutral water at 0.0°C (Kw= 1.14 x 10-15at 0.0°C) b) Methylamine (CH3NH2) is a derivative of the weak base ammonia. Write the equation for the ionization of methylamine in water, and use the I.C.E. method to find the pH of a 3.75 M CH3NH2 solution.(Kb= 4.37 x 10-4at 25°C)P 2, 5 4- 3. 2. %#3 MI 2 4. %24 5. 000 & 8. * F7 6. Reset DD Na LHO x H2O H. F11 1. Delete 4. (s) CI (1) 9. 3- n2- (g) (aq) 9. 8. a strong acid: Complete the balanced molecular reaction for the following weak base with + 6. 3+ O 4+ NaCIO(aq) + H2SOĄ(aq). Sona Psychology Research Pa X Question 2 of 9Yeni... O Ara Posta Gonderileri Gözden Geçir Görünüm Yardim 4- Write equations for the acid base reactions that would occur (if any) if ethanol were added to solutions of each of the following compounds In each reaction, label the stronger acid, the stronger base, and so forth.(Please consult the table given below) Ya) NaNH (c) (d) NaOH EGO 16 A 12 IA 17 & 5 8 K
- 1. Write the net ionic equation for the acid-base hydrolysiw equilbrium that is established when potassium nitrite is dissolved in water. ___ + H2O (L) --> ____ + ___ the solution is ___ 2. write the net ionic equation for the acid-base hydrolysis equilbrium that is established whem sodium fluoridebis dissolved in water. ___ + H2O (L) --> ___ + ____ the solution is ___Tartaric acid is found in many fruits including grapes. Tartaric acid is partly responsible for the dry texture of certain wines. Tartaric acid, H2C4H4O6, is a diprotic acid with the following Ką values: Ka1 = 1.00 x 10-3; Ka2 = 4.60 x 10-5 a. Write the equation for the 1st jonization of tartaric acid. b. Write the equation for the 2nd ionization of tartaric acid. c. Write the Ką expression for the 1st ionization. d. Write the Ką expression for the 2nd ionization. e. What is the equilibrium concentrations of the reactants and products from the 1st ionization of a 0.250M solution of tartaric acid? f. What is the equilibrium concentrations of the reactants and products from the 2nd ionization? g. What is the total [H30+] and the overall pH of the solution of tartaric acid?3. What are the concentrations of each of the following species in 0.100 M Ascorbic acid: H2C6H,O6, НС-Н.Об, СоН06", НзО* and ОН ? (3 роints each) For H2C6H6O6 Kal = 8.0 x 10-5 Ka2 = 1.6 x 10-12 [H2C6H6O6] = [HC6H6O6] = [CH,O²] = [H;O*] = [OH]= %3D
- 1. Which of the following is the best primary standard for the standardization of NaOH?a. KHPb. Glacial Acetic Acidc. Ascorbic Acidd. HCl acid solution 2. Which of the following is the best primary standard for the standardization of HCl?a. Na2CO3b. NaOHc. NaHCO3d. KHPDraw the product of the reaction shown below at physiological pH (pH = 7.4). Ignore inorganic byproducts. I 1. NH4Cl, NaCN 2. HCI, H₂O, heat I I I QFor the first dissociation of H,CO3: H,CO3(aq) + H,O = H;O Cag) + HCO3(aq) a. At what volume of added HNO, does the pH = pKg? b. What is the pH at this point? c. What is the pką for the first dissociation according to the literature? d. What is your percent error for this pka value? Show your work. Experimental value-Accepted value Accepted value :) × 100% Percent Error
- Which reagent(s) is/are needed to perform the following reaction (choose all that apply).CHOOSE ALL THAT APPLY a. H2O b. H2 c. Pt d. NaOH e. K2Cr2O7 f. H+ g. Cu^2+Not Secure- gmc.mrooms3.net nglish - United States (en_us) For the chemical equation below label the Lewis acid and Lewis base. Al(OH);(s) + OH (aq) Al(OH)4 (aq) BIEE Paragraph A US X x² 三三 三| T T土2田 Font family ▼ Tx 6 6 Font size B Path: pWhat do you call an aqueous solution that has a large amount of NH4Cl and NH3dissolved in it?Write a reaction to show how this solution resists pH change upon addition ofstrong base (OH-).Write a reaction to show how the solution resists pH change upon the addition ofstrong acid (H3O+).