A voltaic cell is constructed from a standard Ag+|Ag half cell (E° red = 0.799V) and a standard A1³+ A1 half cell (E° red=-1.660V). (Use the lowest possible coefficients. Be sure to specify states such as (aq) or (s). If a box is not needed, leave it blank.) The anode reaction is: + The cathode reaction is: + The spontaneous cell reaction is: + The cell voltage is V. + + +

A voltaic cell is constructed in which the anode is a Pb|Pb2+ half cell and the cathode is a I-|I2 half cell. The half-cell compartments are connected by a salt bridge. (Use the lowest possible coefficients. Be sure to specify states such as (aq) or (s). If a box is not needed, leave it blank.) The anode reaction is:     +              +     The cathode reaction is:     +              +     The net cell reaction is:     +              +     In the external circuit, electrons migrate _(from or to?)__ the I-|I2 electrode _(from or to?)__the  Pb|Pb2+ electrode.In the salt bridge, anions migrate _(from or to?)__ the Pb|Pb2+ compartment _(from or to?)__ the I-|I2 compartment.

2+ 2+ A voltaic cell is constructed from a standard Sn²+ Sn half cell (E° red = -0.140V) and a standard Fe³+ Fe²+ half cell (E° red = 0.771V). (Use the lowest possible coefficients. Be sure to specify states such as (aq) or (s). If a box is not needed, leave it blank.) The anode reaction is: + The cathode reaction is: + The spontaneous cell reaction is: + The cell voltage is V. ↑ 1 ↑ + + +

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A voltaic cell is constructed from a standard = Sn2+ Sn half cell (E° red -0.140V) and a standard F2 F half cell (E° red = 2.870V). (Use the lowest possible coefficients. Be sure to specify states such as (aq) or (s). If a box is not needed, leave it blank.) The anode reaction is: + The cathode reaction is: + The spontaneous cell reaction is: + The cell voltage is V. ↑ + + +

A voltaic cell is constructed from a standard Ag+ | Ag half cell (E° red = .799V) and a standard Br2 | Br- half cell (E° red = 1.080V). (Use the lowest possible coefficients. Be sure to specify states such as (aq) or (s). If a box is not needed, leave it blank.) The anode reaction is:     +              +     The cathode reaction is:     +              +     The spontaneous cell reaction is:     +              +     The cell voltage is  V.

A voltaic cell is constructed from a standard Hg2* Hg half cell (E°red = 0.855V) and a standard Br2 Br half cell (E°red = 1.080V). (Use the lowest possible coefficients. Be sure to specify states such as (ag) or (s). If a box is not needed, leave it blank.) The anode reaction is: + The cathode reaction is: The spontaneous cell reaction is: The cell voltage is V.

A voltaic cell is constructed from a standard Cr+ Cr half cell (E°red = -0.740V) and a standard F2F half cell (E°. red = 2.870V). (Use the lowest possible coefficients. Be sure to specify states such as (ag) or (s). If a box is not needed, leave it blank.) The anode reaction is: per) Greek(lower) Arrows Other The cathode reaction is: + elp The spontaneous cell reaction is: The cell voltage is V.

A lithium battery is being developed. Its voltaic cell is constructed based on Li metal electrode and PbsO4 solid electrode. Their standard reduction potentials at 25 °C are given below. E°(Li* (aq) → Li (s)) = -3.040 Volt E°(PbSO4 (S) > Pb (s) + SO42 (aq) = - 0.356 Volt. Which of the following statements is true about this working (spontaneous) voltaic cell? a. The anode is PbsO4 (s) electrode. The standard cell potential of this voltaic cell is E°(cell) = 2.328 Volt O. PBSO4 (s) is a weaker oxidizing agent than Lit. To make a commercial product, the voltaic cell is adjusted to have [Lit] = 2.1 M and [SO42] = 3.5 M. The cell d. potential E under this condition should be less than the standard cell potential E°(cell). e. None of the above