Sign and spontaneity

[406003397]

In electrochemistry, how does the sign of the standard cell potential determine whether a redox reaction is spontaneous or not? Can someone explain the underlying principles that connect the cell potential with the spontaneity of the reaction

[506005126]

The sign of the standard cell potential determines the spontaneity of a redox reaction by indicating the direction in which electrons will flow and whether the reaction will proceed spontaneously under standard conditions. Positive cell potentials indicate spontaneous reactions, while negative cell potentials indicate non-spontaneous reactions.

[Sarah Egan 3A]

The sign of the standard cell potential determines the direction the redox reaction goes in. If its positive, the reaction is spontaneous in the forward direction, but if its negative, the reaction is non-spontaneous in the reverse direction. This relationship is governed by the fundamental principles of thermodynamics, specifically the relationship between Gibbs free energy and cell potential.