Mg(s) | Mg2+(aq)Au+(aq) | Au(s)
1.05 V
The stranded cell notation for a galvanic cell made with magnesium (Mg) and gold (Au) is written as: [ \text{Mg(s)} | \text{Mg}^{2+}(aq) || \text{Au}^{3+}(aq) | \text{Au(s)} ] In this notation, the anode (Mg) is on the left side, while the cathode (Au) is on the right, with a double vertical line (||) representing the salt bridge that separates the two half-cells.
The voltage of a galvanic cell made with magnesium (Mg) and gold (Au) can be calculated using their standard reduction potentials. Magnesium has a standard reduction potential of about -2.37 V, while gold has a standard reduction potential of +1.50 V. The overall cell potential can be calculated by subtracting the reduction potential of magnesium from that of gold, resulting in a voltage of approximately +3.87 V. This indicates that the galvanic cell can produce a significant amount of electrical energy.
Ni(s) | Ni2+(aq) Ag+(aq) | Ag(s)
0.92V
Al | Al^3+ Zn^2+ | Zn
Mg(s) | Mg2+(aq)Au+(aq) | Au(s)
Mg(s) | Mg2+(aq) Au+(aq) | Au(s)
Zn(s)/Zn2+(aq)//Au+(aq)/Au(s)
Al(s) | Al3+(aq) Ni2+(aq) | Ni(s)
Zn(s)/Zn2+(aq)//Au+(aq)/Au(s)
Mg(s) | Mg2+(aq) Au+(aq) | Au(s)
Zn(s)/Zn2+(aq)//Au+(aq)/Au(s)
Zn(s)/Zn2+(aq)//Au+(aq)/Au(s)
The standard cell notation for a galvanic cell made with zinc and aluminum is represented as: Zn(s) | Zn²⁺(aq) || Al³⁺(aq) | Al(s). In this notation, the anode (zinc) is listed on the left, followed by its ion in solution, then the double vertical line representing the salt bridge, and finally the cathode (aluminum) and its ion in solution. This format clearly indicates the direction of electron flow from zinc to aluminum.
The standard cell notation for a galvanic cell made with silver and nickel can be expressed as: ( \text{Ag} | \text{Ag}^+ || \text{Ni}^{2+} | \text{Ni} ). In this notation, the vertical line "|" represents a phase boundary, while the double vertical line "||" indicates the salt bridge separating the two half-cells. Silver (Ag) is the cathode, where reduction occurs, and nickel (Ni) is the anode, where oxidation takes place.
Zn(s)/Zn2+(aq)//Au+(aq)/Au(s)