bridge. (Use the lowest possible coefficients. Use the pull-down boxes 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 v the NiNi2* electrode |the Cu Cu2+ electrode. In the salt bridge, anions migrate v the Cu*|Cu2* compartment the Ni Ni?* compartment. Prew Submit Answer Retry Entire Group 1 more group attempt remaining + + +

bridge. (Use the lowest possible coefficients. Use the pull-down boxes 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 v the NiNi2* electrode |the Cu Cu2+ electrode. In the salt bridge, anions migrate v the Cu|Cu2 compartment the Ni Ni?* compartment. Prew Submit Answer Retry Entire Group 1 more group attempt remaining + + +

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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A voltaic cell is constructed from a standard Cu2+ | Cu half cell (E° red = .337V) 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.
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. 3Br2(1) + 2Cr(s) – 6B1°(aq) + 2Cr*(aq) The anode reaction is: + The cathode reaction is: In the external circuit, electrons migrate v the Cr|Cr* electrode the Br|Br2 electrode. In the salt bridge, anions migrate v the Cr|Cr** compartment v the Br|Br2 compartment.
Out of the following statements about galvanic cells that you use in a laboratory determine which one is false 1 . you need a salt bride to determine electroneutrality 2. If you switch the voltmeter leads between the cathode and anode it will change the sign of the observed charge 3. In a Cu^2+ / Cu(s) (aq) half cell, Cu(s) would be the electrode 4. Eocell=Eoanode+Eocathode
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.3Br2(l) + 2Al(s) ----> 6Br-(aq) + 2Al3+(aq)The anode reaction is: +      + The cathode reaction is: +      + In the external circuit, electrons migrate _(from or to?)__ the Al | Al3+ electrode _(from or to?) the Br- | Br2 electrode.In the salt bridge, anions migrate _(from or to?) the Br- | Br2 compartment _(from or to?) the Al | Al3+ 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.
A voltaic cell is constructed in which the anode is a Cd|Cd2+ 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 the Cd|Cd2+ electrode the Cu|Cu2+ electrode.In the salt bridge, anions migrate the Cd|Cd2+ compartment the Cu|Cu2+ compartment.
A particular galvanic cell has a redox reaction in which a magnesium metal displaces nickel (II) ion from aqueous solution, as shows in the redox reaction below Mg (s) + Ni"(ag) → Mg*+ Ni(s) Determine the half-cell reaction for both the anode and cathode electrodes.
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.
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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.
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
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. Cl2(g) + 2Br (aq) → 2CI(aq) + Br2(1) The anode reaction is: + The cathode reaction is: + In the external circuit, electrons migrate the Cl|Cl, electrode v the Br|Br, electrode. In the salt bridge, anions migrate v the Cl|Cl2 compartment v the Br|Br2 compartment. 1