Passive Diffusion

question 22

Multiple Choice

Passive diffusion

• A)is the process by which molecules move from an area of low concentration to an area of high concentration.
• B)is a spontaneous process.
• C)requires the presence of a transmembrane protein.
• D)will occur so long as the membrane is freely permeable to the solute.
• E)requires energy.

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Definitions:

Combustion

A chemical reaction that occurs between a fuel and an oxidant, producing heat and often light; commonly known as burning.

Rusting

The chemical process involving the oxidation of iron or steel, resulting in the formation of iron oxides, particularly Fe2O3 and Fe3O4.

Redox Reactions

Chemical reactions where electrons are transferred between two substances, involving oxidation and reduction processes.

Neutralization Reactions

Chemical reactions in which an acid and a base react quantitatively to form water and a salt.