In Which Direction Do Electrons Flow in the External Circuit

question 11

Multiple Choice

In which direction do electrons flow in the external circuit?

• A) right to left
• B) left to right
• C) No current flows; the cell is at equilibrium.

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Definitions:

Exergonic Reaction

A chemical reaction that releases energy by light or heat, making it energetically favorable.

Free Energy

The portion of a system's energy that is able to perform work when temperature and pressure are uniform throughout the system.

Concentration Gradient

A concentration gradient is a variation in the concentration of a substance across a space or a membrane, leading to the movement of particles from an area of higher concentration to an area of lower concentration.

Expend Energy

The act of using biological or mechanical power for physical activities, processes, or to accomplish tasks.