Gases 1-19-11
- molecules move far apart
- balloon in formed liquid in the balloon when placed in the nitrogen
- different gases have different densitites
- helium floats, carbon dioxide sinks in the air
- molecular weight determines the density (mass)
- lots of movement
- distinguishes between gas, liquid and solids
- cooling of the balloon (simulation bouncing around)
- diffusion- bumping into one another
- smoke hovers over a wood stove
- static- city pollution/smog
- candle took a while for smell to get across the room
- prefixes
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