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Questions and Answers
What is the state of matter of water at room temperature?
What is the state of matter of water at room temperature?
- Plasma
- Liquid (correct)
- Solid
- Gas
Which state of matter has a definite shape and volume?
Which state of matter has a definite shape and volume?
- Plasma
- Solid (correct)
- Liquid
- Gas
What happens to the particles in a substance when it changes from a liquid to a gas?
What happens to the particles in a substance when it changes from a liquid to a gas?
- The particles vibrate more but stay in the same position
- The particles lose energy and stop moving
- The particles spread farther apart and move more freely (correct)
- The particles move closer together
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Study Notes
States of Matter
- At room temperature, water is in a liquid state.
- A solid has a definite shape and volume due to its rigid particles that are closely packed and have a fixed position.
Phase Changes
- When a substance changes from a liquid to a gas, its particles gain energy and move faster, spreading out and becoming more dispersed.
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