Chemistry Homework Help

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Cell Potential

Q. Calculate the expected Ecell for this reaction

Solved • Apr 20, 2020

Cell Potential

Q. Calculate E°cell of this electrochemical cell. (include units)

Solved • Apr 20, 2020

Cell Potential

Q. The E° values for two low-spin iron complexes in acidic solution are as follows: [Fe(-o-phen)3]^3+ (aq) + e^- ⇋ [Fe)o-phen)3]^2+ (aq) E° = 1.12V [Fe(CN)6]^3- (aq) + e^- ⇋ [Fe(CN)6]^4-(aq) E° = 0.36V Which complex is more difficult to reduce? a) [Fe(-o-phen)3]^3+ b) [Fe(CN)6]^3-

Solved • Apr 20, 2020

Cell Potential

Q. The E° values for two low-spin iron complexes in acidic solution are as follows: [Fe(-o-phen)3]^3+ (aq) + e^- ⇋ [Fe)o-phen)3]^2+ (aq) E° = 1.12V [Fe(CN)6]^3- (aq) + e^- ⇋ [Fe(CN)6]^4-(aq) E° = 0.36V Is it thermodynamically favorable to reduce both Fe(III) complexes to their Fe(II) analogs? a) yes b) no

Solved • Apr 20, 2020

Cell Potential

Q. Consider the following reaction at 298K. Co2+ (aq) + H2 (g) Co (s) + 2 H+ (aq) Which of the following statements are correct? Choose all that apply. K > 1 delta Go < 0 n = 5 mol electrons Eocell < 0 The reaction is reactant-favored.

Solved • Apr 19, 2020

Cell Potential

Q. Consider the following reaction at 298 K. 2 H+(aq) + Cd(s) H2(g) + Cd2+(aq) Which of the following statements are correct?

Solved • Apr 19, 2020

Cell Potential

Q. What is the value of the equilibrium constant at 25 oC for the reaction between the pair: I2(s) and Br-(aq) Use the reduction potentials for I2(s) is 0.535 V and for Br2(l) is +1.065 V. [a] When showing the steps, could you explain how I2 is the cathode? Also how would you form the equation if only Br2 and I2 is given?

Solved • Apr 19, 2020