why is it necessary to add water to the can before heating it in the can imploding wxperiment? what is the significant of the water?
BECAUSE IF CAN IS HEATED WITHOUT WATER THAN IT MAY BURN OR BECAME DISSHAPED.THE ROLE OF WATER IS TO PROTECT CAN FROM BURNING.
You heat the water in the can, it forms steam and fills the can.When it cools, the steam condenses to water, leaving a vacumn, the can implodes from atmospheric pressure.
Mr Gupta: please refrain from posting to students when you have no idea of the answer.
thanks bobpursely
In the can imploding experiment, it is necessary to add water to the can before heating it because water helps to create a specific condition crucial to the implosion phenomenon.
When you heat an empty can, air trapped inside it expands due to the increase in temperature. This causes the pressure inside the can to rise. However, when you add water to the can, it plays a critical role. The water absorbs heat and prevents the temperature inside the can from increasing rapidly. Instead, it heats up slowly.
Now, when you place the can on a heat source and apply heat, the water inside the can begins to evaporate, turning into steam. As steam is produced, it displaces the air inside the can. The steam occupies a larger volume than the original amount of water, pushing the air out of the can.
Once you remove the can from the heat source, or when the heat source is turned off, the steam starts to cool down and condense back into liquid water. As the steam condenses, its volume decreases, creating a partial vacuum inside the can. Since the air pressure outside the can remains constant, the difference in pressure between the inside and outside causes the can to collapse, or implode.
The significance of water in this experiment lies in its ability to help generate steam, replace the original air inside the can, and ultimately create the conditions for the implosion to occur.
So, adding water to the can before heating it is necessary because without it, there would be no steam produced, and the necessary pressure difference between the inside and outside of the can would not be established, leading to the absence of implosion.