Ethanol Has a Density of 0

question 11

Multiple Choice

Ethanol has a density of 0.789 g cm^-3. What is the pressure at the bottom of a 125 cm tall column of ethanol?

• A) 9.66×10² Pa
• B) 9.66×10³ Pa
• C) 9.66×10⁴ Pa
• D) 9.66×10⁵ Pa
• E) 9.66×10⁸ Pa

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Definitions:

Free-Radical Theory

An idea that posits the aging process in organisms is a result of cells accumulating damage from free radicals over time.

Unstable Oxygen Molecules

Often referred to as free radicals, these are molecules with unpaired electrons that can cause oxidative damage to cells and tissues.

Empiricism

Empiricism is a theory that states that knowledge comes only or primarily from sensory experience.

Developmental Psychology

The scientific study of how and why human beings change over the course of their life, from infancy through old age, including cognitive, emotional, and social changes.