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2 cards from this section. Quick, good the night before a test.
What is electrode potential?
Think about how it relates to electric energy.
What does the acronym SHE stand for?
Consider the reference point for measuring electrode potentials.
What does the Standard Hydrogen Electrode represent?
Remember the role of SHE in electrochemistry.
Electrode potential increases as the ability to gain electrons increases.
Think about how reduction relates to potential.
Calculate the electrode potential at standard conditions for a half-cell reaction involving copper ions and solid copper. Given E° for Cu²⁺/Cu = 0.34 V.
Consider your reference point for comparing.
Assume a galvanic cell with the anode being Zn and the cathode Cu. If E°(Zn²⁺/Zn) = -0.76 V and E°(Cu²⁺/Cu) = 0.34 V, what is the cell's EMF?
Use the EMF formula and pay attention to the signs in your calculation.
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