A Molecule Takes 3

question 76

Multiple Choice

A molecule takes 3.0 seconds to diffuse across a membrane. If the thickness of the membrane is doubled, then how long does it take the molecule to diffuse across the thicker membrane?

• A) 30 s
• B) 24 s
• C) 20 s
• D) 18 s
• E) 12 s

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Definitions:

Territorial Concessions

Agreements in which a country cedes a portion of its territory or the rights to it to another country, often as part of a treaty or settlement.

Spanish Monarchy

The political system of Spain in which the country is ruled by a monarch, a family lineage that has historically oscillated between periods of monarchy and republic.

French and Indian War

A series of military engagements between Britain and France in North America (1754–1763), part of a larger conflict known as the Seven Years' War.

British

Relating to Great Britain or the United Kingdom, encompassing England, Scotland, Wales, and Northern Ireland, its people, or its culture.