Siti trapped some air in a syringe and blocked the nozzle. She found that she could still push the plunger in slightly. What does this tell her about the properties of air?
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Worked Solution
Step 1: Identify the observation (plunger moves in).
Step [2-9]: This means the volume of the trapped air decreased.
Step [2-9]: Since gases have no fixed volume and large spaces between particles, they can be compressed.
Correct answer: Air can be compressed.
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