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What is the function of the salt bridge in a galvanic cell?
What is the function of the salt bridge in a galvanic cell?
What is the role of the anode in a galvanic cell?
What is the role of the anode in a galvanic cell?
What is a galvanic cell?
What is a galvanic cell?
What is the purpose of the salt bridge in a galvanic cell?
What is the purpose of the salt bridge in a galvanic cell?
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What is the function of the cathode in a galvanic cell?
What is the function of the cathode in a galvanic cell?
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What happens to the anode in a galvanic cell?
What happens to the anode in a galvanic cell?
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Study Notes
Galvanic Cell Overview
- A galvanic cell is an electrochemical device that converts chemical energy into electrical energy through redox reactions.
- It consists of two half-cells, each containing an electrode and an electrolyte solution.
Function of the Salt Bridge
- The salt bridge maintains electrical neutrality by allowing the flow of ions between the two half-cells.
- It prevents the mixing of the different electrolytes while completing the circuit.
- It helps balance the charge by providing ions that can move to counteract the buildup of charge at the electrodes.
Role of the Anode
- The anode is the electrode where oxidation occurs, releasing electrons into the external circuit.
- It is typically a negative electrode in galvanic cells due to the loss of electrons.
- The material of the anode gradually dissolves as the reaction proceeds, leading to a decrease in mass.
Function of the Cathode
- The cathode is the electrode where reduction takes place, gaining electrons from the external circuit.
- It is typically a positive electrode in galvanic cells and is where the discharge reaction occurs.
- Reduction at the cathode results in the deposition of material, which can increase its mass over time.
Changes at the Anode
- In a galvanic cell, the anode undergoes continuous oxidation, causing its material to gradually diminish.
- The specific reactions at the anode generate ions that migrate into the electrolyte and interact with the salt bridge.
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Description
Test your knowledge of galvanic cells with this quiz. Explore the function of the salt bridge and the role of the anode in galvanic cells. Challenge yourself with questions about electrochemistry and cell reactions.
