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D=M/V
Masses unit is grams
Volume is ml or cm3
Density in g/cm3 or g/ml

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Lab Notes
1)Don't forget boiling chips
2)Use 5-10ml of liquid
3)Heat at own pace. Record every 30 sec
4)Bubbles and plateau. Six temps readings
5)Never heat to dryness or over 105.

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Read from the bottom of the dip. A good amount is 5 ml for most things.

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A balance measures the mass of an abject. In grams, not pounds. Remember to zero it.

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Used to get an exact measurement.

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Drop pellets in water. Floats > alcohol or oil
Sink > copper wire, acetone or heat test

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Heat a copper wire to melt plastic on it. then put the wire back in the flame. If it lets out an orange flame, continue. If a green flame appears is is PVC

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drop plastic in acetone. If you can scratch off some of it then it is PS, if not continue.

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Boil water and then have it stop bubbling. drop it in and if you can squeeze it to become flat it is PET

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If it sinks its HEPE

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Separate insoluble solids from liquids

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Get solubles out of liquids

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Filter the solution first
Test metals first

Use distillation to find liquids
Use evaporating dish to find solids

Pull apart the insoluble things
Test them with their correct tests.

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D=M/V
Masses unit is grams
Volume is ml or cm3
Density in g/cm3 or g/ml

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If it does not melt, see if it melts in the evaporating dish. after 5 minutes it will get to 300 degrees Celsius and melt, decompose, or do nothing

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Drip a drop of acid to see if it reacts

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stick a wooden sick in your liquid and run it over a flame to see if it catches fire.

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see if sugar dissolves in it

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put a magnet to it and see if it is drawn to it

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is it dissolved or not in water and then again in alcohol

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D=M/V
Masses unit is grams
Volume is ml or cm3
Density in g/cm3 or g/ml

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Put a drop of acid on the powder and see if it reacts