When a steaming-hot aluminum soda can is quickly inverted into a pan of water,the can is dramatically crushed due to a rapid decrease in internal pressure caused by
A)contact with the cooler water.
B)sudden slowing of internal air and steam molecules.
C)condensation of steam inside.
D)reduced thermal energy.
E)rapid conduction of heat to the relatively cool water.

Question

Quizplus · Accepted Answer

The rapid decrease in internal pressure that leads to the crushing of the can is primarily due to the condensation of steam inside the can. When the hot can is inverted into water, the steam inside quickly condenses into water, significantly reducing the amount of gas and thus the pressure inside the can. This creates a partial vacuum, and the higher external atmospheric pressure crushes the can.

When a Steaming-Hot Aluminum Soda Can Is Quickly Inverted into a Pan