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Questions and Answers
What does a positive standard electrode potential ($E^ullet$) indicate about a reaction?
What does a positive standard electrode potential ($E^ullet$) indicate about a reaction?
What occurs when the standard electrode potential ($E^ullet$) is negative?
What occurs when the standard electrode potential ($E^ullet$) is negative?
In the reaction $Ni(s) + Mn^{2+}(aq) \rightarrow Ni^{2+}(aq) + Mn(s)$, what is needed to determine if the reaction is spontaneous?
In the reaction $Ni(s) + Mn^{2+}(aq) \rightarrow Ni^{2+}(aq) + Mn(s)$, what is needed to determine if the reaction is spontaneous?
Standard electrode potential ($E^ullet$) values for the half-reactions.
A voltaic cell will proceed in the direction that results in a positive cell potential ($E_{cell}^ullet$), which indicates __________ reactions are favored.
A voltaic cell will proceed in the direction that results in a positive cell potential ($E_{cell}^ullet$), which indicates __________ reactions are favored.
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Study Notes
Determining Spontaneity of a Reaction
- Standard electrode potential ($E^\circ$) values can be used to predict whether a redox reaction will occur spontaneously.
- A voltaic cell will proceed in the direction that results in a positive cell potential ($E_{cell}^\circ$).
- If $E^\circ$ is positive, the reaction is spontaneous in the written direction.
- If $E^\circ$ is negative, the reaction is non-spontaneous in the written direction, and the reverse reaction is spontaneous.
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Description
This quiz focuses on determining the spontaneity of redox reactions using standard electrode potential values. Participants will learn to assess whether reactions are spontaneous based on the cell potential. Test your understanding of voltaic cells and electrode potentials!
