What potential, in volts, is developed by the following electrochemical cell at 298 K? Al(s) | Al³*(0.00100 M) || Cu²*(0.00100 M) | Cu(s) 2+ A13+ *(aq) + 3e¯ = Al(s) E°red =-1.66V Cu2*(aq) + 2e¯ = Cu(s) E°. red = +0.34 V (Hint: balance the cell reaction before you proceed.) 2.01 O 1.95 2.00 O 1.97 O 2.07

If you said it was possible to calculate the cell voltage, do so and enter your answer here. Round your Ov answer to 3 significant digits.

Consider a galvanic electrochemical cell constructed using Cr/Cr** and Zn/Zn2* at 25 °C. The following half-reactions are provided for each metal: 3+ Cr**(aq) + 3 e → Cr(s) E°red = -0.744 V Zn2*(aq) + 2 e → Zn(s) E°red = -0.763 V What is the cell potential for this cell at 25 °C when [Zn2*] = 0.0323 M and [Cr3] = 0.1736 M?

20. A galvanic cell is constructed at 25°C as indicated in the shorthand cell notation: Determine the Eºcell, AG° and Kc. Eºcell = AGO = Au(s) | 1.0 M Au³+ (aq) || 1.0 M Au³+ (aq) | Au(s) Kc = ကိုယ် E° = +1.50 V cat-an

Calculate Ecell for the following cell: Pt(s) | H2(g) | H *(aq) || Pb2*(aq) | PBSO4(s) | Pb(s) given the following standard reduction potentials. 2H*(aq) + 2 e ® H2(g) PbSO4(s) + 2 e ® Pb(s) + SO42-(aq) Oa. +0.712 V Ob. +0.356 V Oc. -0.712 V Od.-0.178 V Oe. -0.356 V

Calculate the EcellValue at 298 K for the cell based on the reaction: Cu²+ (aq) + 2Ag(s) + Cu(s)+2Ag"(aq) - where [Ag*] = 0.00175 M and [Cu²+] = 8.75×10-4 M. The standard reduction potentials are shown below: Ag * (aq)+e → Ag(s) E° = 0.7996 V Cu²+ (aq) +2e → Cu(s) E° = 0.3419 V

Using the following standard reduction potentials, 34 Fe *(aq) + e - Fe2*(aq) Ni2*(ag) + 2 e -Ni(s) E° = +0.77 V E° = -0.26 V calculate the standard cell potential for the cell reaction given below, and determine whether or not this reaction is spontaneous under standard conditions 34, Ni 2*( aq) + 2 Fe 2*( aq) → 2 Fe *( aq) + Ni( s) E° = +1.03, nonspontaneous E° = + 1.03, spontaneous E° = -1.03 V, spontaneous E° = -1.03 V, nonspontaneous

Calculate the cell potential for the following reaction that takes place in an electrochemical cell at 25°C. Mg(s) ∣ Mg2+(aq, 1.74 M) || Cu2+(aq, 0.0053 M) ∣ Cu(s)

What is the cell potential of the following electrochemical cell? (Report your answer to 2 significant figures.) Co(s) | Co²+ (aq, 0.31 M || Co²+ (aq, 0.035 M) | Co(s) Co²+/Co(s) = -0.28 V Eºred 1 2 4 7 +/- 5 8 v 3 6 9 0 X с x 100

If you said it was possible to calculate the cell voltage, do so and enter your answer here. Round your Ov answer to 2 significant digits.