vacuum car
Siužetinės Linijos Tekstas
- Kinetic Molecular Theory1. Particles are in random motion becuase of thermal energy until collision2. Particles transfer energy during collisions but energy is preserved.
- Today we will be learning what Kinetic Molecular Theory and the railroad tank car vacuum is. Does anybody know anything about this?
- no, but i believe it has something to do with pressure.
- nope.
- Well you are right amy! But how does kinetic Molecular theory have to do with this?
- the tank might be made of metal causing it to callpose
- is the air pressure from the atmosphere have to do with it?
- It is a model that helps us understand the physical properties of gases at the molecular level. It is based on the following concepts...
- wait I think I know a concept or postulate of the theory
- OH Yeah I remember and that is because of the thermal energy. also it won't stop until the particles colllide or are acted on by another force.
- . As the water vapor cools, it condenses into liquid water. Now you have a little bit of liquid in the tank instead of a large amount of water vapor.
- Yeah, but in an isolated sample of a gas the net energy is ocnserved
- Great Job guys! Anybody know another postulate?
- Okay good. Now see I put the model on the board for you...
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