20. Electrochemistry
Galvanic Cell
20. Electrochemistry
Galvanic Cell
1
concept
The Galvanic Cell
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2
example
Galvanic Cell Example
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3
concept
Galvanic Cell Components
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4
example
Galvanic Cell Example
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5
concept
Galvanic Cell Electrodes
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6
example
Galvanic Cell Example
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7
concept
Galvanic Cells and Spontaneity
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8
example
Galvanic Cell Example
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9
Problem
ProblemWhich of the following is false about a Voltaic cell?
A
Anode electrode dissolves while cathode electrode plates out.
B
It changes chemical energy into electrical energy.
C
Anode half-cell accumulates positive charge and cathode half-cell accumulates negative charge.
D
Half reaction with more negative reduction potential attracts electrons and undergoes reduction.
10
Problem
ProblemFor the redox reaction label: the anode, cathode, half-reactions occurring at each half-cell, direction of electron flow, and direction of neutral ions flow.
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Additional resources for Galvanic Cell
PRACTICE PROBLEMS AND ACTIVITIES (29)
- The diagram that follows represents a molecular view of a process occurring at an electrode in a voltaic cell....
- The diagram that follows represents a molecular view of a process occurring at an electrode in a voltaic cell....
- Assume that you want to construct a voltaic cell that uses the following half-reactions: A2+1aq2 + 2 e- ¡ A1s2...
- Indicate whether each statement is true or false: (c) A salt bridge or permeable barrier is necessary to allo...
- A voltaic cell similar to that shown in Figure 20.5 is constructed. One electrode half-cell consists of a silv...
- (b) Do all voltaic cells produce a positive cell potential?
- (c) Why is it impossible to measure the standard reduction potential of a single half-reaction?
- A voltaic cell that uses the reaction PdCl42-1aq2 + Cd1s2 ¡ Pd1s2 + 4 Cl-1aq2 + Cd2+1aq2 has a measured standa...
- Porous pellets of TiO2 can be reduced to titanium metal at the cathode of an electrochemical cell containing m...
- A voltaic cell consists of a strip of cadmium metal in a solution of Cd1NO322 in one beaker, and in the other ...
- Sketch a voltaic cell for each redox reaction. Label the anode and cathode and indicate the half-reaction that...
- Consider the voltaic cell: d. Indicate the direction of anion and cation flow in the salt bridge
- Why is the cathode of a galvanic cell considered to be the positive electrode?
- What is the function of a salt bridge in a galvanic cell?
- Describe galvanic cells that use the following reactions. In each case, write the anode and cathode half-react...
- Describe galvanic cells that use the following reactions. In each case, write the anode and cathode half-react...
- Determine whether or not each metal dissolves in 1 M HCl. For those metals that do dissolve, write a balanced ...
- Determine whether or not each metal dissolves in 1 M HNO3. For those metals that do dissolve, write a balanced...
- Determine whether or not each metal dissolves in 1 M HIO3. For those metals that do dissolve, write a balanced...
- An H2/H+ half-cell (anode) and an Ag+/Ag half cell (cathode) are connected by a wire and a salt bridge. (b) W...
- What conditions must be met for a cell potential E to qualify as a standard cell potential E°?
- In some applications nickel–cadmium batteries have been replaced by nickel–zinc batteries. The overall cell re...
- Make a sketch of a concentration cell employing two Zn/Zn2+ half-cells. The concentration of Zn2+ in one of th...
- Consider the concentration cell: b. Indicate the direction of electron flow.
- Consider the concentration cell: c. Indicate what happens to the concentration of Pb2+ in each half-cell.
- Consider the electrolytic cell: b. Indicate the direction of electron flow.
- Make a sketch of an electrolysis cell that electroplates copper onto other metal surfaces. Label the anode and...
- (a) Sketch a cell with inert electrodes suitable for the elec-trolysis of an aqueous solution of sulfuric acid...
- The half-reactions that occur in ordinary alkaline batteries can be written as In 1999, researchers in Israel...