A voltaic cell is constructed in which the anode is a Cu* | Cu²+ half cell and the cathode is a Cu | Cu²+ 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 [ In the salt bridge, anions migrate [ + + the Cu Cu²+ electrode [ the Cu* | Cu²+ compartment [ the Cu* | Cu²+ electrode. the Cu Cu²+ compartment.

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.

Enter electrons as e". A voltaic cell is constructed in which the anode is a Co|Co2+ half cell and the cathode is a Sn|Sn2+ 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 e the Sn|Sn2+ electrode e the Co|Co2+ electrode. from or to ? from or to? In the salt bridge, anions migrate e the Co|Co2+ compartment e the Sn|Sn2+ compartment. from or to? from or to? ↑

A voltaic cell is constructed in which the anode is a Hg Hg²* half cell and the cathode is a CICl, half cell. The half-cell compartments are connected by a salt bridge. (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 net cell reaction is: In the external circuit, electrons migrate | the Cl|Cl, electrode ]the Hg|Hg* electrode. 2+ In the salt bridge, anions migrate v the Hg Hg*t compartment v the CI|Cl, compartment.

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. ↑ + + +

Enter electrons as e A voltaic cell is constructed in which the anode is a Fe2+|Fe3+ half cell and the cathode is a F|F, 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 the Fe2+|Fe3+ electrode the F|F, electrode. from to In the salt bridge, anions migrate the F|F, compartment 3- the Fe2+|Fe+ compartment. +. +. 1

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 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

Use the References to access Enter electrons as e. Use smallest possible integer coefficients for ALL reactions. If a box is not needed, leave it blank. A voltaic cell is constructed in which the following cell reaction occurs. The half-cell compartments are connected by a salt bridge. Br,(1) + Sn(s) → 2Br (aq) + Sn2+(aq) The anode reaction is: The cathode reaction is: - In the external circuit, electrons migrate the SnISn2+ electrode the Br |Br, electrode. from to In the salt bridge, anions migrate the Sn Sn²+ compartment Vthe Br |Br, compartment. (Previous Tarhnical Sunnart