Collapsing CanIn this demonstration water in a can is heated to its boiling pointWhen the can is inverted in ice water, it collapsesPurpose?To create a partial vacuum inside an object?To observe the effect of atmospheric pressure on an objectDemonstration?The can collapsed when the pressure outside it was greater than the pressure inside?The pressure inside could be reduced using a vacuum pump?or more simply?The pressure inside was reduced by cooling the gas of Pressure?Air molecules constantly bombard all objects?The more frequently they hit an object, the greater the pressure they exert on an object?An object such as an open container experiences the same atmospheric pressure both inside and of State?A liquid such as water may be converted to a gas by heating it?This conversion is a physical change of state?The molecules of the gas will occupy more space than they did in the liquid?Water molecules in the liquid state are in close contact?Water molecules in the gaseous state are separated from each other ?Upon cooling a g
Collapsing Can：坍塌 来自淘豆网m.daumloan.com转载请标明出处.
