Given the half reactions below, what would be the standard cell potential (E° cell) in volts...
Consider the following half-reactions and their standard reduction potentials then give the standard line (cel notation for a voltaic cell built on these half reactiors, Mn2+(aq) +26° <=> Mn(s) E° = -1.18V Cr3+(aq) +3 € <=> Cr(s) E° = 0.41 V O A. Cr(s)/C3+(aq, 1.0 M) || Mn2+(aq, 1.0M) | Mn(s) B. Cris) Cr3+(aq, 1.0 M) || Mn (s) | Mn 2+(aq, 1.0 M) OC. Mn (s) | Mn 2+(aq, 1.0 M) || C-3+(aq, 1.0 M) | Cr(s) D. Mn...
1) Based on the half reactions given below, what is the E°cell, in volts, for the reaction performed in Experiment 22 (2Fe3+(aq) + 2I-(aq) ⟶ 2Fe2+(aq) + I2(aq))? Enter your answer to the thousandths place. Fe3+(aq) + e- ⟶ Fe2+(aq) E°red = 0.771 V I2(aq) + 2e- ⟶ 2I-(aq) E°red = 0.621 V
Consider the following half-reactions and their standard reduction potentials then give the standard line (cell) notation for a voltaic cell built on these half reactions. Mn2+(aq) + 2 e- <=> Mn(s) E° = -1.18 V Fe3+(aq) + 3 e- <=> Fe(s) E° = -0.036 V Correct answer: Mn (s) | Mn 2+(aq, 1.0 M) || Fe3+(aq, 1.0 M) | Fe(s) looking for an explanation on how to work this problem, i get confused with the order of the elements. for...
pleaae do all, please please please QUESTION 3 Consider the following half-reactions and their standard reduction potentials then give the standard line (cell) notation for a voltaic cell built on these half reactions. Mn2+(aq) + 2 e <-> Mn(s) E = -1.18 V Cr3+ (aq) + 3 e <-> Cris) - 0.41 V A Mn (s) | Mn 2+(aq, 1.0 M) 1 Cr3+(aq. 1.0 M) | Cris) B. Mn (s) Mn 2+(aq, 1.0 M) || Cris) | Cr3+(99, 1.0 M)...
please help the standrad reduction provided down What is the calculated value of the cell potential at 298K for an electrochemical cell with the following reaction, when the Cu2+ concentration is 9.24x10 + M and the Cr3+ concentration is 1.47 M? 3Cu2+ (aq) + 2Cr(s) Answer: 3Cu(s) + 2Cr +(aq) v The cell reaction as written above is spontaneous for the concentrations given: What is the calculated value of the cell potential at 298K for an electrochemical cell with the...
Standard (reduction) potentials are given below for several half-reactions. Use them to answer the following. Mn2+ (aq) + 2e- → Mn(s) Cr3+(aq) + 3 e- → Cr(s) Sn2+(aq) + 2 e--> Sn(s) Cu2+ (aq) + 2 e → Cu(s) A13+ (aq) + 3 e- → Al(s) Co2+(aq) + 2 e- → Co(s) Cd2+ (aq) + 2 e- → Cd(s) Ered = -1.185 V Ered = -0.744 V Ered = -0.138 V = +0.342 V Ered = -1.662 V Ered =...
Standard (reduction) potentials are given below for several half-reactions. Use them to answer the following. Cd2+ (aq) + 2 e- → Cd(s) Mn2+(aq) + 2 e- → Mn(s) Cu2+ (aq) + 2 e- → Cu(s) Cr3+(aq) + 3 e- → Cr(s) Sn2+(aq) + 2 e- → Sn(s) A13+(aq) + 3 e- → Al(s) Co2+ (aq) + 2 e- → Co(s) Ered = -0.403 V Ered = -1.185 V Ered = +0.342 V Ered = -0.744 V Ered = -0.138 V...
Given the following half reactions what is the voltage of the galvanic cell that would result from their combination [maximum positive voltage and spontaneous reaction). Show work. E° (volts) -0.74 Cr3+ (aq) + 3e Cu2+ (aq) + 2e → → Cr (8) Cu (s) +0.34 And what is the overall reaction that results after the half reactions are combined to cancel all electrons. Show work. And fill in the following abbreviated cell to represent the actual galvanic cell from above.
use tabulated standard electrode potential to calculate the standard cell potential for the reaction occurring in an electrochemical cell at 25 C. (The equation is balanced.) 3Ni^2+(aq)+2Cr(s)--->3Ni(s)2Cr^3+(aq) Express your answer to two significant figures and include the appropriate units. em 26 E (V) -0.45 -0.50 -0.73 -0.76 -1.18 Standard reduction half-cell potentials at 25°C Half-reaction E° (V) Half-reaction Aul+ (aq) + 3e +Au(s) 1.50 Fe2+ (aq) + 2eFe(s) Ag+ (aq) +e-Ag(s) 0.80 Cr3+ (aq) + Cr²+ (aq) Fe+(aq) + 3e...
A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential Cl 2 (g) + 2 e − → 2 Cl − (aq) = E 0 red + 1.359 V MnO − 4 (aq) + 2 H 2 O (l) + 3 e − → MnO 2 (s) + 4 OH − (aq) = E 0 red + 0.59 V cathode half reaction anode half reaction overall reaction cell potential at standard state