

22) Given the following redox reaction conducted in an acidic electrochemical cell, calculate ΔG®...
Given the following redox reaction conducted in an acidic electrochemical cell, calculate ΔGo, ΔG, Eocell, and Ecell using the conditions provided. Al (s) + VO2+ (aq) → Al3+ (aq) + VO2+ (aq) VO2+(aq) + 2H+(aq) + e- → VO2+(aq) + H2O(l) Eo = 1.00V Al3+(aq) + 3e- → Al (s) Eo = -1.66V [VO2+] = 1.2M [Al3+] = 0.025M [VO2+] = 0.05M [H+] = 2.1M
A) Use tabulated electrode potentials to calculate ΔG∘ for the reaction. 2K(s)+2H2O(l)→H2(g)+2OH−(aq)+2K+(aq) B) (Refer to the following standard reduction half-cell potentials at 25∘C: VO2+(aq)+Ni2+(aq)2H+(aq)++2e−e−→ →Ni(s)VO2+(aq) +H2O(l)E∘=−0.23V E∘=0.99V) An electrochemical cell is based on these two half-reactions: Oxidation:Reduction:Ni(s)VO2+(aq,0.024M)+2H+(aq,1.4M)+e−→→Ni2+(aq,1.8M)+2e−VO2+(aq,1.8M)+H2O(l) Calculate the cell potential under these nonstandard concentrations. C) Standard reduction half-cell potentials at 25∘C Half-reaction E∘ (V ) Half-reaction E∘ (V ) Au3+(aq)+3e−→Au(s) 1.50 Fe2+(aq)+2e−→Fe(s) − 0.45 Ag+(aq)+e−→Ag(s) 0.80 Cr3+(aq)+e−→Cr2+(aq) − 0.50 Fe3+(aq)+3e−→Fe2+(aq) 0.77 Cr3+(aq)+3e−→Cr(s) − 0.73 Cu+(aq)+e−→Cu(s) 0.52 Zn2+(aq)+2e−→Zn(s) − 0.76...
Using the equation: ΔG° = -nFE°cell calculate ΔG° and indicate if the reaction below is spontaneous or non spontaneous: Al(s) | Al3+ (0.0020 M) | | Cu2+ (0.10 M) | Cu(s) The reduction potentials for the half reactions are Al3+(aq) + 3e- --> Al(s) = -1.662 V Cu2+(aq) +2e- --> Cu(s) = +0.3419 V
8) Calculate the cell potential for the following reaction that takes place in an electrochemical cell at 25°C. 8) 10 Al(s) Al3+(aq, 0.1 15 M) I Al3 (aq, 3.89 M) I Al(s) A13+(aq)+3 e Al(s) E =-1.66 V A) 0,030 V B) 0.090 V 9,1.66 V D) 0.00 V E) 0.060 V
calculate ecell for the following electrochemical cell at 25 C. Pt(s)| H2 (g,1.00 atm) | H+ (aq, 1.00 M) || (Pb2+ (aq, 0.150 M) | Pb (s) Pb^2+(aq) + 2e- ---> Pb (s) Eo=-0.126 V 2H^+ (aq) + 2e- ---> H2 (g) Eo=0.00 V Thank you!
1)Calculate the cell potential for the following reaction that
takes place in an electrochemical cell at 25°C.
Al(s) Al3+(aq, 0.115 M) Al3+(aq, 3.89 M) Al(s)
Question options: a) +0.090 V b)+1.66 V c)+0.030 V d)+0.060 V
e)0.00 V
2) Determine the identity of the daughter nuclide from the
positron emission of F.
Question options:
a)
N
b)
Na
c)
Ne
d)
O
e)
F
Answer the following questions related to the given
electrochemical cell.
Answer the following questions related to the given electrochemical cell 2NO(g) H20(l) 2e N20(g) 20H (aq) 0.760 V NO aq) H2O(l) 2e NO2 (aq) 20H (aq) Eo 0.010 V 1. Answer the following questions under standard conditions (a) The half cell containing N20/NO is the (b) The half cell containing NO3 /NO2 s the (c) What is Eocell (in V)? Report your answer to three decimal places in standard notation...
D Question 14 3 pts The following redox reaction is conducted with [A13+] = 0.80 M and [Mn2+] = 0.30 M. 2 Al(s) + 3 Mn2+(aq) + 2 A13+(aq) + 3 Mn(s) Ecell = 0.48 V Determine the moles of electrons transferred for the reaction as written (n), Q, and the cell potential (cell) at 298 K. n= (Select] Q = (Select] Ecell = (Select)
1.) Given the following notation for an electrochemical cell Pt(s) | H2(g) | H+(aq) || Ag+(aq) | Ag(s), what is the balanced overall (net) cell reaction? A. H2(g) + 2Ag(s) ® H+(aq) + 2Ag+(aq B. H2(g) + 2Ag+(aq) ® 2H+(aq) + 2Ag(s) C. H2(g) + Ag+(aq) ® H+(aq) + Ag(s D. 2H+(aq) + 2Ag(s) ® H2(g) + 2Ag+(aq) E. 2H+(aq) + 2Ag+(aq) ® H2(g) + 2Ag(s) 2.) Calculate E°cell for the following (nonspontaneous) reaction: Cd(s) + 2Fe3+(aq) ® 2Fe2+(aq) + Cd2+(aq) → A. -0.37...
Given the following result from balancing this redox reaction in acidic solution, carry on with the last two steps to balance the redox reaction in basic solution. 2H+ (aq) + 2MnO4 (aq) + Br" (aq) → 2MnO2(3) + Br03 (aq) + H20(1) Once completed, choose the sum of the coefficients below: a) 7 b) 10 c) 13 d) 9 e) 12