Question

In an experiment to demonstrate atmospheric pressure, a plastic bottle is partially filled with hot water and the bottle is then tightly corked.After sometime the bottle starts to get deformed.State the purpose of the hot water

Answer 1

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Explanation:

i) To remove the air from the bottle

ii) Pressure imbalance on the inside and outside causes the higher atmospheric pressure on the outside to act on the bottle

iii) The hot water drives air out of the bottle. On cooling, the steam inside condenses creating a region of low pressure inside. The higher atmospheric pressure deforms the bottle

Answer 2

Explanation:

In an experiment to demonstrate atmospheric pressure, a plastic bottle is partially filled with hot water and the bottle is then tightly corked.After sometime the bottle starts to get deformed.State the purpose of the hot water