What is the function of the electrolyte in an electrochemical cell?
AP Chemistry Unit 9 - Applications of Thermodynamics

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Chemistry
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11th - 12th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
The electrolyte provides soluble anions that migrate to the anode and soluble cations that migrate to the cathode, maintaining a balance of charge in the cell.
2.
FLASHCARD QUESTION
Front
What is standard molar entropy?
Back
Standard molar entropy is a measure of the amount of disorder or randomness in a system at standard conditions (1 atm and 25°C). It is typically expressed in J/(mol·K).
3.
FLASHCARD QUESTION
Front
Which state of matter generally has the highest standard molar entropy?
Back
Gaseous substances generally have the highest standard molar entropy compared to liquids and solids due to their greater freedom of movement and higher disorder.
4.
FLASHCARD QUESTION
Front
What is the relationship between current, charge, and time in electrochemistry?
Back
The relationship is given by the equation Q = I × t, where Q is the charge in coulombs, I is the current in amperes, and t is the time in seconds.
5.
FLASHCARD QUESTION
Front
What is the half-reaction occurring at the anode during electrolysis of water?
Back
2 H_2O(l) → O_2(g) + 4 H^+(aq) + 4 e^-.
6.
FLASHCARD QUESTION
Front
What is the oxidation state of Sn in Sn^2+?
Back
The oxidation state of Sn in Sn^2+ is +2.
7.
FLASHCARD QUESTION
Front
How do you balance redox reactions?
Back
To balance redox reactions, separate the oxidation and reduction half-reactions, balance the atoms and charges, and then combine them.
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