Galvanic Cells Flashcards
- Describe the function of a galvanic cell and its component. - Use cell notation to symbolize the composition and construction of galvanic cells.
What is galvanic cells / voltaic cells?
A device that turns chemical energy into electrical energy using spontaneous redox reactions.
What are half-cells?
A part of galvanic cell where either OXIDATION or REDUCTION happens. It includes an electrode and a solution.
What is an anode?
The electrode where oxidation (loss of electrons) happens.. In a galvanic cell, it is negative.
What is a cathode?
The electrode where reduction (gain of electrons) happens. In a galvanic cell, it is positive.
What is a salt bridge?
A device that allows ions to flow between two half-cells to keep the change balanced without mixing the solutions.
What is a cell notation / cell schematic?
A shorthand way to describe a galvanic cell, showing anode, cathode, and salt bridge.
- The notations help summarizes how the cell is set up and what reactions are happening at each electrode.
What is an inert electroode?
An electrode that doesn’t react, just conduct electrons.
What is an active electrode?
An electron that participate in the chemical reaction of the cell.
