8) Calculate the cell potential for the following reaction that takes place in an electro chemical...
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
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
Calculate the cell potential for the following reaction that takes place in an electrochemical cell at 25°C. Sn(s) Sn2+(aq, 1.8 M) II Ag+(aq, 0.55 M)1 Ag(s) Sn2+ (aq) + 2 e Ag+ (aq) + e- Sn(s) Ag(s) E = -0.14 V E = 0.80 V -0.84 V +0.86 V 0 -0.93 V +1.12 V O 0.92 V
Calculate the cell potential (E cell) for the following reaction that takes place in an electrochemical cell at 25 ^C. 2 ClO2 (g) + Zn (s) ---> 2 ClO2 (aq) + Zn^2+ (aq) [Zn^2+]=0.46 M, P-ClO2=0.015 atm, [ClO2]=0.75 M ClO2 (g) + e- ----> ClO2^- (aq) E^o= 0.95 V
Draw the voltaic cell that will give the most positive cell potential choosing from the following half reactions: Eo (vs. SHE) Zn2+ (aq) + 2e- Zn (s), Eo= -0.76 Al3+ (aq) + 3e- Al (s), Eo= -1.66 Cr3+ (aq) + 3e- Cr (s), Eo= -0.74 Co2+ (aq) + 2e- Co (s), Eo= -0.28
Sample of solid aluminum (Al) and solid magnesium (Mg) are placed in a solution containing 1.0 M Al3+ ion and 1.0 M Mg2+ ions at 25 o C. For the mixture… (1) write the BALANCED spontaneous reaction, (2) determine the cell potential (Ecell) in volts, (3) the free energy (ΔG) in kJ, and (4) the equilibrium constant (Keq). Al3+ (aq) + 3 e– "Al (s) Eo = –1.66 V Mg2+ (aq) + 2 e– "Mg (s) Eo = –2.37 V
What is the reduction potential for the half-reaction AP(aq) + 36 Al(s) at 25°C if [A13+1 -0.18 M and E--1.66 V? a) -1.84 V Ob) -1.67 V OC) -1.65 V od) -1.72 V e) -1.66 V
What is the standard cell potential for a voltaic cell with the following line notation? Al(s)[A1+ (aq)||Fe3+ (aq) Fe(s) Give your answer to 3 significant figures. Half Reaction Eredº (V) Al3+ + 3e- → AI -1.66 Fe3+ + 3e- → Fe +0.771 Numeric Answer
Use measured cell potential to calculate concentration. When [ Hg2+ ]=1.35 M, the observed cell potential at 298K for an electrochemical cell with the reaction shown below is 2.582 V. What is the Al** concentration in this cell? 3 Hg2+ (aq) + 2 Al (s) — 3 Hg (1) + 2 A1+ (aq) [A13+]= M
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