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Properties of matter

  • HESI A2
  • Chemistry
  • Select all that apply
  • Difficulty 3 of 5

Question

Which observations are consistent with the stated sample's physical state? Select all that apply.

  1. A solid keeps its own shape without support.✓ Correct

    A solid maintains its shape independently of a container.

  2. A liquid conforms to its container while retaining its volume.✓ Correct

    Liquid shape is variable, but its volume is definite.

  3. A gas can be readily compressed.✓ Correct

    Gases are readily compressible.

  4. A gas has a fixed shape outside its container.✗ Incorrect

    Gas does not have a definite shape.

  5. A solid has no definite volume.✗ Incorrect

    A solid has a definite volume.

Answer

A. A solid keeps its own shape without support. · B. A liquid conforms to its container while retaining its volume. · C. A gas can be readily compressed.

Rationale

Shape, volume and compressibility distinguish these states. A solid retains shape and volume; a liquid has fixed volume; a gas can expand and compress readily.

RememberCompare shape and volume to distinguish solids, liquids and gases.

Sources

  • DOE-HDBK-1015/1-93 U.S. Department of Energy · License: US government work (public domain) · Retrieved · Page 23

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