Sn2+ Sn half cell (E° red = -0.140V) and a standard C12 C1 half cell (E° red = 1.360V). (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: Sn(s) + The cathode reaction is: Cl2(g) + 2e- The spontaneous cell reaction is: Sn(s) + Cl2(g) The cell voltage is 2.76 V. 2e + Sn2+(aq) 2Cl(aq) + Sn2+(aq) + 2C1-(aq)

A voltaic cell is constructed from a standard Cr³+1 Cr half cell (E° red = -0.740V) and a standard Fe³+ | Fe2+ half cell (Eºred = 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. + + + [

A voltaic cell is constructed from a standard Cu²+ Cu half cell (E° red 0.337V) and a standard Br2 |Br half cell (E° 1.080V). red (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. + + ↑

Consider the galvanic cell based on the following half-reactions: Zn+ + 2e + Zn e° = -0.76 V Cd²+ + 2e → Cd e° = -0.40 V a. Determine the overall cell reaction and calculate e (Use the lowest possible coefficients. Be sure to specify states such as (aq) or (5). If a box is not needed, leave it blank.) b. Calculate AG° and K for the cell reaction at 25°C. AG kJ K = [Zn**] = 0.10 M and [Ca] = c. Calculate e cell at 25°C when Zn 1.2 x 10-5 M. Ecell =

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.

A voltaic cell is constructed from a standard Cd2+|Cd half cell (E°red = -0.403V) 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.

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 ↑ + + +

2. In the electrolysis of an aqueous Zn(NO3)2 solution, what reactions occur at the anode and at the cathode, assuming standard conditions? O, + 4H + 4e → 2H;O 6° = 1.23 V 2H,0 + 2e → H2 + 20H E° = -0.83V Zn2 + 2e → Zn ɛ° = -0.76 V NO, + 4H + 3e' → NO + 2H20 E° = 0,96 V ANODE: CATHODE:

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.