Question

The atmosphere does not ordinarily crush cans. However, it will crush a can after it has been heated, capped, and cooled. Explain why this happens. Be sure to use complete sentences

Answer 1

This answer is directly from the text book.

A can containing a little water is heated until steam forms. Then the can is capped securely and removed from the source of heat. There is now less air inside the can than before it was heated. (Why? Because when the water boils and changes to steam, the steam pushes air out of the can.) When the sealed can cools, the pressure inside is reduced because steam inside the can condenses to

a liquid when it cools. The greater pressure of the atmosphere outside the can then proceeds to crush the can.

Answer 2

This is because when we pour water on the can, the steam in the can changes to water vapour and creates a vac uum inside giving the atmosphere a chance to exert pressure from outside.

I hope my answer has come to your help. God bless and have a nice day ahead!