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Gases

Definition

Gases are one of the four fundamental states of matter. They have neither a defined shape nor volume, and they expand to fill any space available to them.

Analogy

Think of gases like a group of hyperactive kids in an open playground. They run around freely, occupying all the available space without any specific pattern or order.

Related terms

Molecules: These are two or more atoms bonded together. In gases, these molecules move freely and independently.

Pressure: This is the force exerted by gas per unit area on its container's walls. It's like how much those hyperactive kids push against the playground boundaries.

Volume: The amount of space that a substance or object occupies. For our playful kids (gases), this would be the entire playground they're running around in.

"Gases" appears in:

Practice Questions (1)

  • What conditions will cause gases to deviate from "ideal" behavior?


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© 2024 Fiveable Inc. All rights reserved.

AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.