when air inside a metal can is taken out by heating , the lid is closed and cold water poured on outsides, the can collapses. why
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The outside air pressure being greater than internal pressure and assuming that mini holes that existed before heating have self healed during heating, outside air can not come in to fill the void space. Therefore, the thin tin container collapses till pressure within and without balance.
Answered by
8
Answer:
Why collapsing of tin take place when we heat it and then put cold water over it? When the tin is heated, the air within and water molecules expand. As the volume expands, so does the tin container up to a limit.
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