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3 cards from this section. Quick, good the night before a test.
What is the formula to calculate standard cell potential?
Identify which electrode is the cathode and anode.
In a Daniell cell, which electrode serves as the anode?
Consider which component is losing electrons.
What is the correct expression for standard cell potential?
Remember the role of anode vs. cathode.
Which condition leads to a negative Gibbs Free Energy (ΔG)?
Think about the relationship between Gibbs Free Energy and spontaneous reactions.
A galvanic cell consists of a Zn/Zn^2+ half-cell and a Ag/Ag^+ half-cell. The standard reduction potentials are Zn^2+ + 2 e− → Zn(s) (E° = -0.76 V) and Ag+ + e− → Ag (E° = +0.80 V). Calculate the standard cell potential and discuss the spontaneity.
Identify which half-reaction has the higher potential.
For a concentration cell formed with a salt solution containing different ion concentrations, calculate the cell potential using given concentrations and apply the Nernst equation.
Make sure to establish concentrations and n value correctly before calculation.
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