Falling balloons
Balloons filled with gases more dense than air will fall.
Precipitation reaction of sodium chloride and copper(II) nitrate
Colorless sodium chloride solution is added to blue copper(II) nitrate solution.
Precipitation reaction of sodium chloride and silver nitrate
Colorless sodium chloride solution is added to colorless silver nitrate solution.
Precipitation reaction of sodium sulfate and barium nitrate
Colorless sodium sulfate solution is added to colorless barium nitrate solution.
Effusion of nitrogen
Nitrogen gas effuses through a porous cup, demonstrating the effect of the size and mass of molecules.
Precipitation reaction of sodium sulfide and lead(II) nitrate
Colorless sodium sulfide solution is added to colorless lead(II) nitrate solution.
Precipitation reaction of potassium chromate and silver nitrate
Yellow potassium chromate solution is added to colorless silver nitrate solution.
Precipitation reaction of potassium chromate and lead(II) nitrate
Yellow potassium chromate solution is added to colorless lead(II) nitrate solution.
Precipitation reaction of potassium chromate and sodium nitrate
Yellow potassium chromate solution is added to colorless sodium nitrate solution.
Oxidation of glycerol by potassium permanganate
Glycerol (glycerin, glycerine) is oxidized by potassium permanganate.
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