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Sia

青州's Question
Chemistry
Posted 6 months ago

2. A standard electrode XX when coupled with a standard H2\mathrm{H}_{2} electrode to make a cell gives a cell voltage of 0.34 . What is the potential of the standard electrode X?
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Answer from Sia
Posted 6 months ago
Solution
1
Understand the standard hydrogen electrode (SHE): The standard hydrogen electrode (SHE) is used as a reference electrode in electrochemistry and is assigned a potential of 0.00 volts
2
Determine the potential of electrode X: The cell voltage of 0.34 V is the difference between the potential of electrode X and the SHE. Since the SHE has a potential of 0.00 V, the potential of electrode X is equal to the cell voltage
Answer
The potential of the standard electrode X is 0.34 V.
Key Concept
Cell voltage and electrode potential
Explanation
The cell voltage is the difference in potential between two electrodes. When one electrode is the SHE with a potential of 0.00 V, the cell voltage is equal to the potential of the other electrode.

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