Which description best matches a gas?

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Enhance your study skills for the GMAS Physical Science Test with detailed questions and hints. Utilize our flashcards and multiple choice format for effective learning, and gear up for success!

Multiple Choice

Which description best matches a gas?

Explanation:
Gases have particles that are far apart and move quickly, with only weak attractions between them. This spacing and motion mean they don’t have a definite shape or volume; they spread out to fill whatever container they’re in and can be compressed to fit into a smaller space. That’s different from solids, where particles are tightly packed and vibrate in place, giving solids a definite shape and volume, and from liquids, where particles can flow past one another but maintain a definite volume. So the description that says particles are far apart and have no definite shape or volume best matches a gas.

Gases have particles that are far apart and move quickly, with only weak attractions between them. This spacing and motion mean they don’t have a definite shape or volume; they spread out to fill whatever container they’re in and can be compressed to fit into a smaller space. That’s different from solids, where particles are tightly packed and vibrate in place, giving solids a definite shape and volume, and from liquids, where particles can flow past one another but maintain a definite volume. So the description that says particles are far apart and have no definite shape or volume best matches a gas.

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