Part A For the hatl-reaction Cr"eCr, E- 0.424V excess Fe(s) is added to a solution in which (Cr"] 1.00 M, what will be Fe when equilbrium is reached at 298 K? Fe (s) + 2Cr Fet + 2Cr Express your answer to two significant figures and include the appropriate units. Fe")- Value Units Submit Previous Answera Bequest Answer X Incorrect; Try Again; 5 attempts remaining

Part A For the hatl-reaction Cr"eCr, E- 0.424V excess Fe(s) is added to a solution in which (Cr"] 1.00 M, what will be Fe when equilbrium is reached at 298 K? Fe (s) + 2Cr Fet + 2Cr Express your answer to two significant figures and include the appropriate units. Fe")- Value Units Submit Previous Answera Bequest Answer X Incorrect; Try Again; 5 attempts remaining

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Cu | Cu"(1,0M) || Ag'(1,0M) | Ag Cu 1.0 M Ae 1.0 M Cu2+ 2) a-) When the iron rod was dipped into 5 % CuSO, solution, indicate the changes that will occur and the related reaction. b-) The zinc rod was immersed into 10% HCl solution, indicate the changes that will occur and the related reaction. c-) The copper rod was immersed into 10% HCl solution, indicate the changes that will occur and the related reaction. d-) The copper rod was immersed in the AGNO; solution, indicate the changes that will occur and the related reaction. Fe 2" (aq)+ 2e → Fe (k) E= -0,440 Cu" (aq) + 2e - Cu (k) E=+0,340 Zn" (aq)+ 2e → Zn(k) E=-0,763 2H' (aq) +2e H2(g) E= 0,00 Ag" (aq) + e Ag(k) E=+0,800 Fe * (aq+e' Fe (aq) E=+0,771
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Which is the correct expression for the solubility produ (A) Ksp = [Au?) (02) (B) Ksp = [Au?] (0212 (D) Ksp = (2Au? 7 [3021 (E) Ksp = (2Au'] [302] (C) Ksp = Au1-TO-1 I constant expression for Au2O3
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Solid cobalt (II) acetate is slowly added to 125 mL of 0.0945 M ammonium chromate solution. What is the concentration of cobalt required to just initiate precipitation? The Ksp of CoCrO4 is 7.1 * 10 -4. Report answer in scientific notation to two sig figs.
Submit Part B Consider the reaction, which takes place at a certain elevated temperature CO(g) + NH3(g)= HCONH2 (g), K. = 0.880 If a reaction vessel initially contains only C0 and NH3 at concentrations of 1.00 M and 2.00 M, respectively, what will the concentration of HCONH2 be at equilibrium? Express your answer with the appropriate units. • View Available Hint(s) HÀ [HCONH2] = Value Units Submit Next> Provide Feedback MacBook Air
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In the determination of K and G for an Fe complex lab, What would be the effect on the value of the molar concentration of FeSCN2+ at equilibrium,if the stock solution used to prepare the standard curve had not reacted comp
Look at sample problem 19.14 in the 8th ed Silberberg book. In black-and-white film developing, excess AgBr is removed from a film negative with "hypo," an aqueous solution of sodium thiosulfate (Na2S203), which forms the complex ion Ag(S203)23-. Calculate the solubility of AgBr in 0.67 M hypo. Kf of Ag(S203)23- is 4.7x1013 and Kgp of AgBr is 5.0x10-13 Write the overall equation for the Ksp of AgBr and then the Kf of Ag(S203)23-, add the 2 equations thus multiplying the two K values. Do an ICE chart, Enter a number to 2 decimal places.
Which of the following expression can be used to calculate the equilibrium constant involving the reaction: Fe(CN), + 2+ 4- 3+ Cr + Fe(CN)," + cr" Select one: log Keq = {2(E "G }/0.0592 [Fe(CN)6] O log Keq = (E, - E [Fe(CN)6] "/0.0592 O log Keq = (E- E°, [Fe(CN)67/0.0592 Cr log Keq = {2(E°c, - E°Fe(CN)6}/0.0592