12/14/2016 RWW11 AcidBase Reactions and the pScalehttp://www.webassign.net/web/Student/AssignmentResponses/last?dep=14314092 1/3Current Score : – / 100 Due : Monday, October 17 2016 11:59 PM EDT1. –/40 pointsWrite net Bronsted equations and determine the equilibrium constants for the acidbase reactions thatoccur when aqueous solutions of the following are mixed.Instructions:Enter all substances in the order listed at the top of the column.Use a carot to indicate a superscript, but do nothing for subscripts.Use a hyphen + greater than (>) for yields.Click on the eye symbol to check your formatting.Report K to three sig figs even though it is good to only two.Group 1A and 7A ions (except fluoride) are spectator ions.ReactantsRxn: Acid(1) + Base(2) = Base(1) +Acid(2)K (three sig figs)hydrocyanic acid + sodiumnitrite(No Response) HCN+NO2^1=CN^1+HNO2 (No Response) 1.00e06perchloric acid + sodiumcyanide (No Response) H3O^1+ + CN^1 = H2O + HCN (No Response) 2.50e9hydrazoic acid + sodiumhypochlorite (No Response) HN3+ClO^1=N3^1+HClO (No Response) 543KHCO3 + KCN (No Response) HCO3^1+CN^1=CO3^2+HCN (No Response) 0.118H2CO3 + KHS (No Response) H2CO3+HS^1=HCO3^1+H2S (No Response) 4.3RWW11 AcidBase Reactions and the pScale (Homework)Paddy SheehanCH 201, section 002, Fall 2016Instructor: Robert WarrenWebAssignThe due date for this assignment is past. Your work can be viewed below, but no changes can be made.12/14/2016 RWW11 AcidBase Reactions and the pScalehttp://www.webassign.net/web/Student/AssignmentResponses/last?dep=14314092 2/32. –/10 pointsWhat are the hydronium and hydroxide ion concentrations in a solution with a pH of 10.50?[H3O1+] = (No Response) 3.15e11M[OH1] = (No Response) 3.18e04M3. –/10 pointsWhat is the pKa of an acid if its Ka is 2.40E06?pKa = (No Response) 5.624. –/10 pointsWhat is the pKb of a base whose conjugate acid has a pKa of 5.17?pKb = (No Response) 8.835. –/10 pointsWhat is the pH of a solution whose pOH = 2.74?pH = (No Response) 11.266. –/10 pointsDetermine the pH and pOH of a solution in which [H3O1+] = 1.82E03 M.pH = (No Response) 2.74pOH = (No Response) 11.2612/14/2016 RWW11 AcidBase Reactions and the pScalehttp://www.webassign.net/web/Student/AssignmentResponses/last?dep=14314092 3/37. –/10 pointsThe pH of pure water at some temperature is 5.64. What is the value of Kw at this temperature?Hint: Kw = [H3O1+][OH1], but its value is 1.0E14 only at 25 oC. You cannot use that value inthis problem.Kw = (No Response)
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