18 Questions
What is the purpose of a salt bridge in a galvanic cell?
To separate the two half-cells
What type of reaction takes place in a galvanic cell?
Redox reaction
What is the name given to the Italian physicist after whom the galvanic cell is named?
Luigi Galvani
What is the function of the electrodes in a galvanic cell?
To facilitate the redox reaction
What is the purpose of the electrolytes in a galvanic cell?
To facilitate the redox reaction
What is another name for a galvanic cell?
Voltaic cell
What is the primary function of a salt bridge in a galvanic cell?
To prevent the mechanical mixing of the solutions
What reaction occurs at the anode in a galvanic cell?
Oxidation of zinc to form zinc ions
What is the purpose of the zinc metal electrode in a Daniel cell?
To act as an anode
What is the result of the reaction at the cathode in a galvanic cell?
Deposition of copper atoms on the cathode
What is the total cell reaction in a galvanic cell?
The sum of the anodic and cathodic reactions
What is the best example of a galvanic cell?
Daniel cell
What happens in an electrochemical cell?
Chemical energy is converted to electrical energy
What type of reaction occurs in an electrochemical cell?
Spontaneous reaction
How are the anode and cathode assigned in an electrochemical cell?
Anode is connected to the positive terminal, cathode is connected to the negative terminal
What is the purpose of the external electrical energy in an electrolytic cell?
To bring about a non-spontaneous chemical reaction
What is the difference in the setup of electrodes in electrochemical and electrolytic cells?
Electrochemical cells have two electrodes in separate vessels, electrolytic cells have two electrodes in one vessel
What is the electrode potential?
The potential difference between the metal electrode and the solution
Learn about the different types of electrochemical cells, including electrolytic cells and galvanic cells, and their functions. Understand how they work and the chemical reactions involved.
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