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can someone help? 11. What is AGº for the following electrochemical equation? (ered(Ag /Ag) - 0.800...
Hi can someone help me with these questions, Thank you: Question 8 (1 point) The standard potential of the cell Ni(s) Ni2+(aq) || Cl(aq) AgCl(s) Ag(s) is +0.45 V at 25°C. If the standard reduction potential of the AgCl|Ag|Ci couple is +0.22 V, calculate the standard reduction potential of the Ni2+INi couple. -0.45 V +0.23 V -0.67 v +0.67 v 0 -0.23 V Question 6 (1 point) The standard reduction potential of the Br2/Brand Sna/Sn couples are +1.07 and -0.14...
7. Electrochemical cell potentials can be used to determine equilibrium constants that would be otherwise difficult to determine because concentrations are small. What is K for the following balanced reaction, if E = +0.0218 V? 3Zn(s) + 2Cr3+(aq) - 32n+2 (aq) + Cr(s) E = +0.0218 V. Use Type equation here AGº= -nFE and A GºE-RTINK
For the following electrochemical cell: Co(s)/Co^2+(aq,0.0155M)//Ag^+(aq,2.50M)/Ag(s) Write the net equation:______________ Calculate the following values at 25 degrees celcius using the standard potentials: E standard cell ________V E cell _____________V
What is ΔG° for the following electrochemical equation? (E°red(K+/K) = –2.931 V, E°red(Ca2+/Ca) = –2.868 V) 2K(s) + Ca2+(aq) → 2K+(aq) + Ca(s) Select one: a. –12 kJ/mol b. –24 kJ/mol c. –6 kJ/mol d. 12 kJ/mol
Please circle final answer Calculate the change in free energy (AG) for the following standard cell between Barium and Copper. Recall AG = -nFEcell, and F = 9.65 x 10 C/mol Ba Ba2 (aq) + 2e, E red -2.90 V 2e+Cu2+ (aq) Cus), Ered = +0.337 V +625 kJ/mol +495 kJ/mol -625 kJ/mol 495 kJ/mol
Find Ecell for an electrochemical cell based on the following reaction with [MnO4−]=1.50M, [H+]=1.50M, and [Ag+]=0.0140M. E∘cell for the reaction is +0.88V. MnO4−(aq)+4H+(aq)+3Ag(s)→MnO2(s)+2H2O(l)+3Ag+(aq) Find for an electrochemical cell based on the following reaction with , , and . for the reaction is . 0.75 V 1.01 V 0.84 V 0.92 V
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...
Consider the following electrochemical cell. Ag(s) | Ag+(aq) || Cr3+(aq) | Cr(s) Determine the overall reaction and its standard cell potential (in V) at 25°C for this reaction. (Include states-of-matter under the given conditions in your answer. Use the lowest possible whole number coefficients.) Overall reaction (please provide)= standard cell potential V= Is the reaction spontaneous at standard conditions?
11. Consider the following chemical equation that describes the titration between Ag+ and Cl −; Ag+ (aq) + Cl − (aq) → AgCl (s) When adding Ag+ to Cl −, the equivalence point is reached when: A) no more AgCl can precipitate from solution. B) an excess of Ag+ has been added. C) Cl − has just started to be consumed by Ag+. D) half of the Cl − is consumed by Ag+. E) none of the above happens.
Please help me solve this An electrochemical reaction occurring in a galvanic cell is expressed using the standard cell notation: Zn(s) Zn2+ (aq) || Ag (aq) | Ag(s) The standard reduction potentials for the half-cell reactions are as follows: Zn2+(aq) + 2e_? Zn(s) E o=-0.76 V Ag (a)eAg(s) E +0.80 V Which of the following statements is correct regarding this electrochemical cell? A. Agt is reduced at the cathode; Zn is oxidized at the anode. B. Edell = +1.56 V...