A shift to the left __________ Ecell.

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Study for the DAT Bootcamp General Chemistry Test. Enhance your skills with detailed questions and explanations. Master exam topics such as atomic structure, chemical reactions, and periodic trends. Prepare confidently for your exam!

Multiple Choice

A shift to the left __________ Ecell.

Explanation:
Shifting the system toward the left reduces the drive for electrons to flow in the direction the cell is written, so the measured cell potential drops. The cell potential depends on the balance of oxidized and reduced species through the Nernst relationship, which means changing the mixture toward reactants alters the reaction quotient in a way that lowers the electromotive force for the forward direction. In short, moving toward the left makes the forward reaction less favorable, so Ecell decreases.

Shifting the system toward the left reduces the drive for electrons to flow in the direction the cell is written, so the measured cell potential drops. The cell potential depends on the balance of oxidized and reduced species through the Nernst relationship, which means changing the mixture toward reactants alters the reaction quotient in a way that lowers the electromotive force for the forward direction. In short, moving toward the left makes the forward reaction less favorable, so Ecell decreases.

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