Correct Part C The reaction of Cr+ (aq) and Cr(s) to form Cr²+ (aq). [The reduction potential of Cr+ (ag) to Cr(s) is -0.91 V.] Calculate AG - Express your answer using two significant figures. AGm - -79 kJ Submit Previous Answers Correct Part D Calculate K. Express your answer using one significant figure. ? K = Submit Request Answer

Correct Part C The reaction of Cr+ (aq) and Cr(s) to form Cr²+ (aq). [The reduction potential of Cr+ (ag) to Cr(s) is -0.91 V.] Calculate AG - Express your answer using two significant figures. AGm - -79 kJ Submit Previous Answers Correct Part D Calculate K. Express your answer using one significant figure. ? K = Submit Request Answer

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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a Search Close Activity Chat Teams Assignments 26 Calendar Consider the standard electrode potentials of the following reactions. Cr3+(aq) + 3e- -Cr(s) Cd2+(aq) + 2e- → Cd(s) What is the approximate value of the electrical energy(E) in kilojoules? The value of Faraday's constant is 96,500 J/v.mol.e- * -0.75 V -0.40 V Calls Files 2Cr(s) + 3Cd 2Cr + 3Cds) 200 KJ 201 KJ 202 KJ 203 KJ 00 Apps (? Help >> 1:49 PM W Desktop 12/13/2021
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23. Consider the following standard reduction potentials. E° (volts) - 2.38 Reduction Half-Reaction Mg*(aq) + 2e→ Mg(s) Zn* (aq) + 2e→ Zn(s) Cu*(aq) + 2e→ Cu*(aq) - 0.76 0.16 Which reaction A-D will proceed spontaneously as written from left to right? a. Mg**(aq) + Zn(s) → Mg(s) + Zn* (aq) b. Mg*(aq) + 2Cu*(aq) → Mg(s) + 2Cu*(aq) c. Zn* (aq) + 2Cu*(aq) → Zn(s) + 2Cu?*(aq) d. Zn(s) + 2Cu*(aq) → Zn" (aq) + 2Cu*(aq) e. None of these will proceed spontaneously.
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A) 1) Cr202-(aq) + 14 H3O* (aq) + 6 1 2Cr*(aq) + 3 12(s) + 21 H2O(1), 2) 0.697, 3) -403.5, 4) 4.4 x 1070 16) Given the following reduction equations and their associated standard reduction potentials, E, determine the following: 1) The overall redox reaction, 2) Eeu (V), 3) AG" (k) mol-1), and 4) Kc- (170) Cr207-(aq) + 14 H3O*(aq) + 6 e- 2C3+(aq) + 21 H20() E' = 1.232 V 12(s) + 2 e - 21(aq) E' = 0.5355 V ntion is
1:18 Question 12 of 17 Which pairs of species will spontaneously react? Standard Reduction Potentials 2H*(aq) + 2e → H₂(S) Sn²+ (aq) + 2e → Sn(s) Cd²+ (aq) + 2e → Cd(s) A) Cd and Sn²+ B) Cd with Sn Sn²+ with Cd²+ D) Sn with Cd²+ E) Sn²+ with H* E° (V) 0.00 -0.15 -0.40 Submit Periodic Table
Using standard reduction potentials from the ALEKS Data tab, calculate the standard reaction free energy AGO for the following redox reaction. Round your answer to 4 significant digits. 2Fe²+ (aq) + 2H₂O (1)→2Fe³+ (aq) + H₂(g) +20H¯ (aq) olo Data Cr₂O7²- (aq) +14H* (aq) +6e2Cr³+ (aq)+7H₂O(l) Cu (aq) +e→Cu(s) Cu2+ (aq) +eCu*(aq) Cu²+ (aq) +2e →Cu(s) F₂(g) +2e →2F (aq) Fe²+ (aq) +2e →Fe(s) Fe³+ (aq) +e-Fe²+ (aq) Fe³+ (aq) +3e-Fe(s) 2H(aq) +2e H₂(g) 2H₂O(1)+2e →H₂(g) +20H (aq) H₂O₂(aq) +2H*(aq) +2e → 2H₂O(l) Hg²+ (aq) +2e →Hg(1) 2Hg2+ (aq) +2e →Hg₂²+ (aq) Hg₂²+ (aq) +2e-2Hg(1) 1₂(s)+2e →21 (aq) 2103 (aq) +12H+ (aq) +10e12₂(s) + 6H₂O(1) K*(aq)+e →K(s) Li (aq) +eLi(s) 1.36 0.521 0.153 0.342 2.866 -0.447 0.771 -0.037 0.000 -0.828 1.776 0.851 0.92 0.797 0.536 1.195 -2.931 -3.040
Balance the following redox reaction if it occurs in acidic solution. What are the coefficients in front of H+ and Mn²+ in the balanced reaction? Fe2+ (aq) + MnO4¹-(aq) A.H+ = 8, Mn2+ = 1 B.H+ = 5, Mn2+ = 1 C.H+ = 8, Mn2+ = 3 D.H+ = 2, Mn2+ = 3 OE.H+ = 3, Mn2+ = 2 + (aq) + Mn²+ (aq) Fe3+
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Use standard reduction potentials to calculate the standard free energy change in kJ for the reaction:Zn2+(aq) + 2Fe2+(aq)Zn(s) + 2Fe3+(aq)Answer: ___kJK for this reaction would be___ (GREATER/LESS) than one.