Find the emf of the following voltaic cell at 25.0 ºC
Cr(s) | Cr3+(1.30 x 10–4 M) || Ag+(0.170 M) | Ag(s)
given that Eºcell = 1.54 V.
A) 1.72 V B) 1.60 V C)1.57 V D)1.51 V E)1.63 V
Find the emf of the following voltaic cell at 25.0 ºC Cr(s) | Cr3+(1.30 x 10–4...
Find the emf of the following voltaic cell at 25.0 °C Fe(s)| Fe3+(2.10 x 10-4 M) || Agt(0.190 M)| Ag(s) given that E° cell = 0.84 V. 0.93 V 0.90 V 0.87 V 1.02 V 0.81 V
Table 20.2 Half-reaction E° (V) Cr3+ (aq) + 3e- → Cr (s) -0.74 Fe2+ (aq) + 2e- Fe () -0.440 Fe3+ (aq) + e- → Fe2+ (s) +0.771 Sn4+ (aq) + 2e- Sn2+ (aq) +0.154 The standard cell potential (Eºcell) for the voltaic cell based on the reaction below is V. Cr (s) + 3Fe3+ (aq) + 3Fe2+ (aq) + Cr3+ (aq) A) -1.45 B) +2.99 C) +1.51 D) +3.05 E) +1.57
A voltaic cell utilizes the following reaction and operates at 298 K: 3Ce4+(aq)+Cr(s)→3Ce3+(aq)+Cr3+(aq). emf=2.35 1. What is the emf of this cell when [Ce4+]= 1.1 M , [Ce3+]= 1.2×10−2 M , and [Cr3+]=1.1×10−2 M ? 2. when [Ce4+]= 0.40 M ,[Ce3+]= 0.75 M , and [Cr3+]= 1.6 M ?
A voltaic cell utilizes the following reaction and operates at 298 K. 3 Ce4+(aq) + Cr(s) 3 Ce3+(aq) + Cr3+(aq) (a) What is the emf of this cell under standard conditions? V (b) What is the emf of this cell when [Ce4+] = 1.1 M, [Ce3+] = 0.013 M, and [Cr3+] = 0.012 M? V (c) What is the emf of the cell when [Ce4+] = 0.54 M, [Ce3+] = 0.88 M, and [Cr3+] = 1.4 M? V
A voltaic cell utilizes the following reaction and operates at 298 K. 3 Ce4+(aq) + Cr(s) 3 Ce3+(aq) + Cr3+(aq) (a) What is the emf of this cell under standard conditions?_____ V (b) What is the emf of this cell when [Ce4+] = 1.3 M, [Ce3+] = 0.013 M, and [Cr3+] = 0.014 M?_____ V (c) What is the emf of the cell when [Ce4+] = 0.51 M, [Ce3+] = 0.88 M, and [Cr3+] = 1.2 M? _____V
A voltaic cell utilizes the following reaction and operates at 298 K : 3Ce4+(aq)+Cr(s)→3Ce3+(aq)+Cr3+(aq) Part A What is the emf of this cell under standard conditions? Express your answer using three significant figures. Part B What is the emf of this cell when [Ce4+]= 1.9 M , [Ce3+]= 0.13 M , and [Cr3+]= 1.6×10−2 M ? Express your answer using two significant figures. Part C What is the emf of the cell when [Ce4+]= 7.0×10−3 M ,[Ce3+]= 2.0 M ,...
Calculate the cell potential for this voltaic cell at 25 °C: Cr(s) Cr3 (aq, 0.43 M) || Cl2 (g, 0.771 atm) CI(aq, 0.133 M), Pt(s) Cas Ze (bp) Cl2(g)+2e 2CI (aq) Cos (aq)+e Co (aq) Co (aq)+2e Co(s) Cr3 (aq)+3e2 Cr(s) Cr3 (aq)+e Cr2 (aq) Cr2 (aq)+ 2e 2Cr(s) +1.358 3+ +1.83 -0.28 -0.744 -0.407 -0.913 AH 0 3e Cr(0H)-(s) C.o 2-(aa)
A voltaic cell utilizes the following reaction and operates at 298 K. 3 Ce4+(aq) + Cr(s) 3 Ce3+(aq) + Cr3+(aq) (a) What is the emf of this cell under standard conditions? _V (b) What is the emf of this cell when [Ce4+] = 1.8 M, [Ce3+] = 0.013 M, and [Cr3+] = 0.015 M? _V (c) What is the emf of the cell when [Ce4+] = 0.56 M, [Ce3+] = 0.85 M, and [Cr3+] = 1.4 M? _V
A voltaic cell utilizes the following reaction and operates at 298 K. 3 Ce4+(aq) + Cr(s) 3 Ce3+(aq) + Cr3+(aq) (a) What is the emf of this cell under standard conditions? _____V (b) What is the emf of this cell when [Ce4+] = 1.2 M, [Ce3+] = 0.010 M, and [Cr3+] = 0.012 M? ____V (c) What is the emf of the cell when [Ce4+] = 0.53 M, [Ce3+] = 0.89 M, and [Cr3+] = 1.0 M? ____V
Given: C+++ (aq) +3e" = Cr(s);E°=-0.74V Ag+ (aq) +e Ag(s); E° = 0.80 V What is the cell potential at 25°C for the following cell? Cr(s) | Cr3+(0.010 M) || Ag+(0.00025 M) | Ag(s) a) 1.71 V b) 1.51 V O c) 0.95 V d) 2.09 V e) 1.37 V