At a Pressure of One Billionth (10⁻⁹) of Atmospheric Pressure

question 15

Multiple Choice

At a pressure of one billionth (10⁻⁹) of atmospheric pressure, there are about 2.7 × 10¹⁰ molecules in one cubic centimeter of a gas. How many molecules is this per cubic meter?

• A)2.7 × 10 ¹⁶
• B)2.7 × 10 ¹⁴
• C)2.7 × 10 ¹²
• D)2.7 × 10 ⁸
• E)2.7 × 10 ⁴

---

Definitions:

Retained

Kept or continued to have possession of something.

Schema Theories

Concepts in cognitive psychology that describe how knowledge is organized and understood through frameworks or structures in the mind.

Network Theories

Explain the frameworks and principles that describe how networks form, operate, and evolve. These include social, informational, and biological networks.

Reconstruct Information

The process of piecing together fragmented data or knowledge to form a coherent understanding.