Use the following half-reactions to write three spontaneous reactions, and calculate E cell for each reaction:...

Use the following half-reactions to write three spontaneous reactions, and calculate E cell for each reaction:

a. Au⁺ (aq) + e^- ----> Au (s) E= 1.69 V

b. N₂O (g) + 2H⁺ (aq) + 2 e^- ----> N₂ (g) + H2O (l) E= 1.77 V

c. Cr³⁺ (aq) + 3e^- ---> Cr (s) E= -0.74 V

Expert Solution

queen_honey_blossom answered 1 year ago

Write the cell reaction and electrode half-reactions and calculate the standard potential of each of the...

Write the cell reaction and electrode half-reactions and calculate the standard potential of each of the following cells: a) Zn/ZnSO4(aq)//AgNO3(aq)/Ag b) Pt/K3[Fe(CN)6](aq), K4[Fe(CN)6](aq)//CrCl3 (aq)/Cr Please show all steps and clear writing. Thanks

Calculate the cell potential for a reaction in a electrolytic cell with the following half-reactions if:...

Calculate the cell potential for a reaction in a electrolytic cell with the following half-reactions if: [U 3+] = 0.10 M, [MnO4 - ] = 0.20M, [Mn2+], and [H+ ] = 0.20 M U 3+ + 3e -> U o Ecell = - 1.642 V MnO4 - + 8H+ + 5e- -> Mn2+ + 4H2O Ecell = +1.51 V

Write the overall reaction and the half-cell reactions of the following cells, and clearly indicate the...

Write the overall reaction and the half-cell reactions of the following cells, and clearly indicate the anode and the cathode for each cell. c) Pb|Pb2+(0.10 M)||Cu2+(0.10 M)|Cu d) Pb|Pb2+(0.10 M)||Zn2+(0.10 M)|Zn e) Zn|Zn2+(0.10 M)||Fe2+(0.10 M)|Fe f) Pb|Pb2+(0.10 M)||Fe2+(0.10 M)|Fe

Use tabulated half-cell potentials to calculate ΔG∘rxn for each of the following reactions at 25 ∘C....

Use tabulated half-cell potentials to calculate ΔG∘rxn for each of the following reactions at 25 ∘C. Part A 2Fe3+(aq)+3Sn(s)→2Fe(s)+3Sn2+(aq) Express the energy change in kilojoules to two significant figures. Part B O2(g)+2H2O(l)+2Cu(s)→4OH−(aq)+2Cu2+(aq) Express the energy change in kilojoules to one significant figure. Part C Br2(l)+2I−(aq)→2Br−(aq)+I2(s) Express the energy change in kilojoules to two significant figures.

Calculate E∘ for each of the following reactions, and tell which are spontaneous under standard-state conditions....

Calculate E∘ for each of the following reactions, and tell which are spontaneous under standard-state conditions. Part A 2Fe2+(aq)+Pb2+(aq)→2Fe3+(aq)+Pb(s) Express your answer using two decimal places. E∘ = V SubmitMy AnswersGive Up Part B Mg(s)+Ni2+(aq)→Mg2+(aq)+Ni(s) Express your answer using two decimal places. E∘ = V SubmitMy AnswersGive Up Part C Tell which are spontaneous under standard-state conditions. Check all that apply. Check all that apply. 2Fe2+(aq)+Pb2+(aq)→2Fe3+(aq)+Pb(s) Mg(s)+Ni2+(aq)→Mg2+(aq)+Ni(s)

Use the following pair of reduction half-reactions to design a galvanic cell. Then write in the...

Use the following pair of reduction half-reactions to design a galvanic cell. Then write in the proper coefficient for each of the species involved in the overall reaction. Water molecules and protons are not shown in the half-reactions, but may be needed in the overall reaction. MnO4- (aq) ? MnO2 (s) ?o = 0.59 V NO3- (aq) ? NO (g) ?o = 0.96 V NO3- (aq) MnO4- (aq) NO (g) MnO2 (s) H+ (aq) H2O (l)

For the following redox reaction in a galvanic cell, write the oxidation half-reaction and the reduction-half...

For the following redox reaction in a galvanic cell, write the oxidation half-reaction and the reduction-half reaction, and calculate the standard cell potential of the reaction. Use Table 1 in the Background as needed. Explain how you identified which half-reaction is the oxidizer and which is the reducer. Balance the equation. Show your work. (8pts) Al(s) + Ag+1(aq)à Ag(s) + Al+3(aq) Please type your answer out please

Separate the following redox reactions into half-reactions, and label each half-reaction as oxidation or reduction. Part...

Separate the following redox reactions into half-reactions, and label each half-reaction as oxidation or reduction. Part A Oxidation half-reaction for 2Li(s)+2H+(aq)→2Li+(aq)+H2(g). Express your answer as a chemical equation. Identify all of the phases in your answer. SubmitMy AnswersGive Up Incorrect; Try Again; 5 attempts remaining; no points deducted Part B Reduction half-reaction for 2Li(s)+2H+(aq)→2Li+(aq)+H2(g). Express your answer as a chemical equation. Identify all of the phases in your answer. SubmitMy AnswersGive Up Part C Oxidation half-reaction for 2Ag+(aq)+Be(s)→Be2+(aq)+2Ag(s). Express your...

Balance the following skeleton reaction, calculate Eo cell, and state whether the reaction is spontaneous. AgCl...

Balance the following skeleton reaction, calculate Eo cell, and state whether the reaction is spontaneous. AgCl (s) + NO (g) --> Ag (s) + Cl- (aq) + NO3- (aq) [acidic]

Use the half reaction method to balance each of the following oxidation-reduction reactions. Identify the oxidizing...

Use the half reaction method to balance each of the following oxidation-reduction reactions. Identify the oxidizing agent and the reducing agent. A) Cu(s) + Ag+(aq) ---> Ag(s) + Cu2+ B) Al(s) + I2(s) ---> AlI3(s) C) Pb(s) + Fe3+(aq) ----> Pb2+(aq) + Fe(s)

Question