Calculate the standard potential for the reaction shown below at
25º?
6 Hg+2 (aq) + 2 Cr (s) ⟶ 3
Hg2+2 (aq) + 2 Cr+3
(aq)
Eº = Answer V
Calculate the standard potential for the reaction shown below at 25º? 6 Hg+2 (aq) + 2...
Calculate the standard potential for the reaction shown below at 25º? Sn+4 (aq) + Cl – (aq) + 2 OH – (aq) ⟶ Sn+2 (aq) + ClO – (aq) + H2O (l) Eº = Answer V
Use standard reduction potentials to calculate the standard free energy change (ΔGº) for the reaction below at 25º. Report your answer in kilojoules. 2 Cr+3 (aq) + 3 Co (s) ⟶ 2 Cr (s) + 3 Co+2 (aq)
Question 5 Calculate Eº cell for the reaction below, 2 AgBr(aq) + 2 Hg(1) 2 Ag(s) + Hg2Br2(5) given the following standard reduction potentials. Hg2Br2(s) + 2 - 2 Hg(1) + 2 Br"(aq) E = +0.140 V AgBr(aq) + e - Ag(s) + Br" (aq) E = +0.071 V O a. -0.211 V O b. +0.069 V O C. +1.97 v O d. -0.069 V O e. +0.211 V Question 6 Given the following substances and their vapor pressures at...
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
Use standard reduction potentials to calculate the equilibrium constant for the reaction: 2Cr2+(aq) + Hg(1) –>2Cr2+(aq) + Hg2+(aq) Hint: Carry at least 5 significant figures during intermediate calculations to avoid round off error when taking the antilogarithm. Equilibrium constant: AGº for this reaction would be than zero. Submit Answer Retry Entire Group 3 more group attempts remaining Use standard reduction potentials to calculate the equilibrium constant for the reaction: Agt(aq) + Cr2+(aq) Ag(s) + Craq) Hint: Carry at least 5...
Calculate the standard potential, Eº, for this reaction from its AGⓇ value. X(s) + y4+ (aq) — X4+ (aq) + Y(s) AGⓇ = 74.0 kJ E = V
Predict cell potential under nonstandard conditions. What is the calculated value of the cell potential at 298K for an electrochemical cell with the reaction shown below, when the [Hg2+ ]= 1.13 M and the [ Cr3+ ] = 9.02x10-4 M? 3 Hg2+ (aq) + 2 Cr (5) —— 3 Hg (1) + 2 Cr3+ (aq) Cell Potential: V
Use the standard half-cell potentials listed below to calculate the standard cell potential for the following reaction occurring in an electrochemical 3 C12(a) + 2 Fe(s) - 6 Cr(aq) + 2 Fe3+ (aq) Cl2(g) + 2 + 2 Cl(aq) Fe3+ (aq) + 36 - Fe(s) E' = +1.36 V E' = -0.04 V +1.40 V O-1.40 V 0 +4.16 V O +1.32 V O-1.32 V Submit Resvest Answer
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)
1. Consider the reaction below: 3Ag2S(s) + 8H+(aq) + 2NO3-(aq) ? 6Ag+(aq) + 3S(s) + 2NO(g) + 4H2O(l) In this reaction, which species is reduced? 2. Calculate Ecell for the following electrochemical cell which is operating under nonstandard conditions: Cr | Cr3+(0.010 M) || Ag+(0.00010 M) | Ag The relevant standard reduction potentials are: Cr3+(aq) + 3e- ? Cr(s) Eº = ?0.74 V Ag+(aq) + e- ? Ag(s) Eº = +0.80 V