
(a)
Interpretation: The overall cell reaction and standard electrode potential for the voltaic cell with the following half-reactions need to be determined.
Concept Introduction: In a
(a)

Explanation of Solution
The reduction electrode potentials for the given two half-reactions are as follows:
Since the reduction electrode potential for the first reaction is higher than the second reduction of
The reactions at the cathode and anode will be as follow:
Cathode-Reduction reaction:
Anode-Oxidation reaction:
The overall cell reaction will be as follow:
Thus, the overall cell reaction will be:
The standard electrode potential of the cell is calculated as follows:
Substitute the values,
Thus, the standard electrode potential for the voltaic cell is
(b)
Interpretation: The overall cell reaction and standard electrode potential for the voltaic cell with the following half-reactions need to be determined.
Concept Introduction: In a redox reaction, reduction and oxidation take place simultaneously. Here, oxidation takes place at the anode and reduction takes place at the cathode.
(b)

Explanation of Solution
The reduction electrode potentials for the given two half-reactions are as follows:
Since, the reduction electrode potential for the second reaction is higher than the first, reduction of
The reactions at the cathode and anode will be as follow:
Cathode-Reduction reaction:
Anode-Oxidation reaction:
The overall cell reaction will be as follow:
Thus, the overall cell reaction will be:
The standard electrode potential of the cell is calculated as follows:
Substitute the values,
Thus, the standard electrode potential for the voltaic cell is
Chapter 21 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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- Write the systematic name of each organic molecule: H structure H OH OH H OH name ☐ OHarrow_forwardDetermine whether each of the following molecules is a hemiacetal, acetal, or neither and select the appropriate box in the table. CH3O OH OH OH hemiacetal acetal neither hemiacetal acetal neither Xarrow_forwardWhat is the missing reactant R in this organic reaction? N N དལ་ད་་ + R • Draw the structure of R in the drawing area below. • Be sure to use wedge and dash bonds if it's necessary to draw one particular enantiomer. Click and drag to start drawing a structure. ㄖˋarrow_forward
- Draw the condensed structure of 4-hydroxy-3-methylbutanal. Click anywhere to draw the first atom of your structure.arrow_forwardUsing the bond energy values, calculate the energy that must be supplied or is released upon the polymerization of 755 monomers. If energy must be supplied, provide a positive number; if energy is released, provide a negative number. Hint: Avogadro’s number is 6.02 × 1023.arrow_forward-AG|F=2E|V 3. Before proceeding with this problem you may want to glance at p. 466 of your textbook where various oxo-phosphorus derivatives and their oxidation states are summarized. Shown below are Latimer diagrams for phosphorus at pH values at 0 and 14: Acidic solution -0.93 +0.38 -0.51 -0.06 H3PO4 →H4P206 H3PO3 H3PO2 → P→ PH3 -0.28 -0.50 → -0.50 Basic solution 3-1.12 -1.57 -2.05 -0.89 PO HPO →→H2PO2 P PH3 -1.73 a) Under acidic conditions, H3PO4 can be reduced into H3PO3 directly (-0.28V), or via the formation and reduction of H4P2O6 (-0.93/+0.38V). Calculate the values of AG's for both processes; comment. (3 points) 0.5 PH, 0.0 -0.5- 2 3 9 3 -1.5 -2.0 Pa H,PO H,PO H,PO -3 -1 0 2 4 Oxidation state, N 2 b) Frost diagram for phosphorus under acidic conditions is shown. Identify possible disproportionation and comproportionation processes; write out chemical equations describing them. (2 points) c) Elemental phosphorus tends to disproportionate under basic conditions. Use data in…arrow_forward
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