Please correct answer and don't use hand rating -1O 1 (strongest)02O 1 (strongest02-10303O 4 (weakest)O 4 (weakest)O 1 (strongest)-302O 1 (strongest)02-20303O 4 (weakest)-1O 4 (weakest)

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Answered: -1 O 1 (strongest) 02 O 1 (strongest 02…

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter15: Acid–base Equilibria

Section: Chapter Questions

Problem 82AP

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Use the equation in Exercise 79 to determine H and S for the autoionization of water: H2O(l)H+(aq)+OH-(aq) T(C) KW 0 1.141015 25 1.001014 35 2.091014 40. 2.921014 50. 5.471014
Complete each of these reactions by filling in the blanks. Predict whether each reaction is product-favored or reactant-favored, and explain your reasoning. (a) _________ (aq) + Br(aq) NH3(aq) + HBr(aq) (b) CH3COOH(aq) + CN(aq) ________ (aq) + HCN(aq) (c) ________ (aq)+H2O () NH3(aq) + OH(aq)
Consider the following statements. Write out an example reaction and K expression that is associated with each statement. a. The autoionization of water. b. An acid reacts with water to produce the conjugate base of the acid and the hydronium ion. c. A base reacts with water to produce the conjugate acid of the base and the hydroxide ion.
. Calculate the pOH value corresponding to each of the pH values listed, and tell whether each solution is acidic or basic. a. pH = 10.75 b. pH = 3.66 c. p1-I = 1.98 d. pH = 12.47
Consider the K, values for the following acids: Cyanic acid, HOCN, 3.5x 10+ Formic acid, HCHO, 17*10* Lactic acid, HC,H,O,, 13 x 10 Propionic acid, HC,H,O,, 1.3 × 10-5 Benzoic acid, HC-H502, 6.3 × 10 Given initially equimolar solutions of each weak acid, which solution will have the lowest pH once equilibrium is established? OHCHO2 HOCN HC3H5O3 HC3H5O2 HCH5O2
(Q9) The base ionization constant for (Kp) for acetate ion (CH3CO0') is equal to: O 4.75 9.25 O 1.8 x 10-5 O Is undefined (i.e., there is no such thing) 5.6 x 10-10
8:35 : Question 22 of 23 Submit Which one of the following correctly shows the weak acid equilibrium for trichloroacetic acid, CCl,COOH? A) CCl,COOH (aq) = CCl;CO* (aq) + OH- (aq) В) Cli,COOH (аq) + H,0 (I) — СCl,COOH, (aд) + ОН- (аф) C) CCl,COOH (aq) + H20 (1) = CCI,COO- (aq) + H30* (aq) D) CCl;COOH (aq) + H2O (I) CCl,CO(OH), (aq) + H* (aq) Tap here or pull up for additional resources
What is the approximate K for the following acid/base reaction? H25 (aq) +F (aq) ++ HF (aq) +HS (aq) ACID BASE HCI C H2SO4 HNO3 H30 (aq) HSO H3PO4 HSO NO3 H2O so, H,PO, F HF CH3COOH H,CO3 H,S H,PO, NH, CH;COO HCO, HS HPO, NH, CO PO OH HCO HPO. 1,0 OH H, CH CH, OA unable to determine OB. K.<1 Base strength increasing Acid strength increasing
l Verizon LTE 7:55 PM O 4% C Question 7 of 8 Submit The products of a strong acid/strong base reaction are A) Water B) Salt C) All of the above Tap here or pull up for additional resources
(b) What will happen if acetic acid (HC2H3O2) is added to water? O An equilibrium will form between its molecular form, HC2H3O2, and the species formed by removal of water, C2H2O. O An equilibrium will form between its molecular form, HC2H3O2, and the species formed by addition of water, H3C2H3O3. O Acetic acid is a strong acid and will ionize completely. O An equilibrium will form between its molecular form, HC2H3O2, and the ionized form, H* and C2H3O2. O Acetic acid is a weak acid and will not ionize completely. Hint Attempts: 1 of 15 used Submit Save for Later TIng I aI system, SOme of UIS energy Can De transieIICU To une su t ST國 ост 15 MacBook Air
3. A 0.0560 g quantity of acetic acid is dissolved in enough water to make 50.0 mL of solution. Calculate the concentrations of H;O*, CH;COO and CH;COOH at equilibrium. What is the pH of the solution? (Ka = 1.8x10) CH;COOH(aq) = CH;COO (aq) + H;O* (aq) a) Calculate the initial concentration of CH;COOH. (C:12; H:1; 0:16) b) Calculate the concentration of CH;CoO (aq) and H;O* (aq) at equilibrium. c) Calculate pH of the solution.
Calculate [H+] at 25°C for a solution having pOH = 12.35 4.47 x 10-13 M 2.24 x 10-2 M 2.35 x 10-11 M 7.24 x 10-10 M 9.14 x 10-8 M

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-1 O 1 (strongest) 02 O 1 (strongest 02 -1 03 03 O 4 (weakest) O 4 (weakest) O 1 (strongest) -3 02 O 1 (strongest) 02 -2 03 03 O 4 (weakest) -1 O 4 (weakest)