Question 25 (4 points) The standard cell potential (Eºcell) of the reaction below is +1.73 V....
6 pts Question 7 (25) The standard cell potential (Eºcell) of voltaic cell is +1.10 V. Calculate the value of AGⓇ (kJ/mol) for the voltaic cell if 2 electrons are transferred between two half cells. -388 -212 +388 -24.3 +212
For the balanced net redox reaction below, determine its standard cell potential (in V) at 25°C and whether the reaction is spontaneous at standard conditions. 3Ni2+(aq) + 2Cr(s) +3Ni(s) + 2Cr3+ (aq) -0.487, spontaneous 0.487 V, nonspontaneous -0.487, nonspontaneous 0.487 V, spontaneous
53-54 53) The standard cell potential (E®cell) of the reaction below is -0.55 V. The value of AGº for the reaction is J/mol. 12 (s) + 2Br- (aq) → 21- (aq) + Br2 (1) A) 0.55 B) 5.5 x 10-6 C) 1.1 x 105 D) 0.54 E) none of the above 54) The standard cell potential (Eºcell) of the reaction below is +1.34 V. The value of AGº for the reaction is kJ/mol 3 Cu (s) + 2 MnO4- (aq)...
Calculate the cell potential for the galvanic cell in which the given reaction occurs at 25°C, given that [Ni2+] = 0.00100 M and [Au?+] = 0.781 M. Standard reduction potentials can be found in this table. 3 Ni(s) + 2 Au?+ (aq) =3 Ni2+ (aq) + 2 Au(s) E = V
Question 7 6 pts (25) The standard cell potential (Eºcell) of voltaic cellis +1.34 V. Calculate the value of AGⓇ (kJ/mol) for the voltaic cell if 2 electrons are transferred between two half cells. -24.3 -388 +258 +388 -258
The standard cell potential (Eºcell) of the reaction below is -0.55 V. The value of AGº for the reaction is _ J/mol. 12 (s) + 2Br (aq) → 21+ (aq) + Brz (1) Select one: O a. 0.54 O b. 0.55 c. 5.5 x 10-6 O O d. 1.1 x 105 o e. none of the above The structure of 2,3-dimethylheptane is CH; Select one: CHCHZ O a. CH2 - CH2 - CH2 - CH2 H3C CH3 b. CHÚCH-C-CH-CH3 CH3...
please helpppp!!! 7) The standard cell potential (E cell) f for the reaction below i ls -0 43 V. The cell potential for this at best cong (6 polnts) Ag Acid 6 natch the H idding 6e e cancel e, pposite pposite (e) e ancel is the he por Poten 8) The standard cell potential (E-cell) of the reaction below is .0.126 V. The value of ΔG" for the reaction is Pb (o) 2H (aq)Pb2+ (aq) H2 (g) vith (6...
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...
2. Using the information provided, calculate the standard cell potential, Eºcell, for the reaction below: Half-reaction Cr3+ (aq) + 3e- → Cr(s) Fe2+ (aq) + 2e- → Fe(s) Fe3+ (aq) + e- + Fe2+ (s) Sn4+ (aq) + 2e- + Sn2+ (aq) E° (V) -0.74 -0.440 +0.771 +0.154 3Sn(aq) +2Cr(s) →2Cr" (aq) +35n²+ (aq)
Calculate the cell potential difference, Eºcell (Ecell = Eºcathode - Eanode), given the standard reduction potential below, Cut2 (aq) + 2 e. ----> Cu (s) ° = 0.337 volts Pb+2 (aq) + 2 e--...-> Pb(s) ° = -0.126 volts 0.211 V 0.463 V -0.463 V -0.211 V In Part III, to light up a white LED bulb will require forward voltage (VF) at 20 mA. • 5 1.2. 2.0 Calculate the cell potential difference, Eºcell ( cell = Eºcathode -...