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Transcript
The Magic of Matter!
Chemistry Friday Funday
2/3/2012
What is Matter?
• Matter is made out of atoms!
2
What is Matter?
• Atoms bonded together make molecules
3
Matter in Motion
• Molecules are constantly moving
• Temperature is a measure of this
movement
4
Changes in Matter
• Physical
– Phase Changes (Melting,
Boiling, Sublimation)
Solid
Liquid
Gas
• Chemical
– Atoms rearranged to form
new substances
2C3H8 + 10O2 → 6CO2 + 8H2O
5
Density of Matter
• Mass per volume
• Less dense materials
float in more dense
materials
6
In Lab
• Work in Teams
– H, C, N, O
• 5 Experiments
• Make sure to record you observation in your
laboratory notebook
7
Safety
• Chemicals can be dangerous
–
–
–
–
–
–
Silver Nitrate
Acetic Acid (Vinegar)
Dry Ice
Liquid Nitrogen
Hotplates
Glassware
• Listen closely to directions
8