SC-435
Particle model of matter
Lower Sec Science · Secondary 1 · Hard · Particle model of matter
A sealed syringe of air is placed in hot water. Which row best describes the changes to the gas and its molecules?
- Gas becomes denser; molecules move at the same speed
- Gas becomes less dense; molecules move more slowly
- Gas becomes less dense; molecules move faster
- Gas density unchanged; molecules move more slowly
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