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Chemistry Facts

What Is Arsenic?

Arsenic is a naturally occurring element widely distributed in the earth's crust. In the environment, arsenic is combined with oxygen, chlorine, and sulfur to form inorganic arsenic compounds. Arsenic ... Continue reading

How Sublime

Show of hands. How many of you can't resist playing with dry ice? Dry ice is carbon dioxide frozen to -109.3 degrees F (-78.5 C). Throw a piece in water and it bubbles and boils. Expose a piece to air ... Continue reading

Sublimation of Comet's Tail

Spontaneous Combustion

Most of us know if we leave oily rags or papers in an enclosed area, we risk a fire. The process of burning is called oxidation. Oxidation is the same process that causes iron to rust or a banana to ... Continue reading

Self-Starting Fire

Your Nose Knows!

Would you like spearmint or caraway flavor? That's a strange choice, but believe it or not, they are the same thing. Well, almost. Spearmint and caraway both contain a molecule called carvone with the ... Continue reading

Caraway and Spearmint flavor molecules

More Chemistry Facts

Atmospheric Chemistry:

  1. Knocking the NOx Out of Coal
  2. Ozone: Good Up High, Bad Nearby
  3. SO2: What is it? Where does it come from?

Chemical Composition:

  1. Liquid Glass Is All Wet

Chemical Properties:

  1. Carbon Dating
  2. Oil Viscosity
  3. The Melting Point
  4. What Is A Mole?
  5. What is Oxidation?
  6. What Is pH?

Chemical Reactions:

  1. Catalysts
  2. Chemical Burning
  3. Exploding Fertilizer
  4. Fire Retardant Gels
  5. How Sublime
  6. It's Crying Time Again
  7. Luminol; Trick-or-Treat or Terrible Feat
  8. Spontaneous Combustion
  9. Warmer Hands (And Toes) Through Chemistry
  10. What Are Aerosols?
  11. What Give Batteries Their Charge?
  12. What Is Reduction?
  13. What Makes a Candle Burn?
  14. When Chlorine Met Sodium...
  15. Why Does Cement Set?
  16. Why Doesn't Glue Get Hard In The Plastic Bottle?

Elements and Compounds:

  1. Hydrogen - The Simplest Element
  2. Hydrogen Reaction Experiment Reaps a Surprise
  3. Ice That Burns
  4. Nitrogen Gas and Compounds
  5. Radioactive Radon
  6. Radon, A Rare Element
  7. Table Salt - It's All In The Ions
  8. Turning Oil Into Gas
  9. Uses Of Hydrocarbons
  10. What Are Isotopes?
  11. What Is A Half-life?
  12. What Is Acetone?
  13. What Is Arsenic?
  14. What Is The Periodic Table?

Food:

  1. Was Popeye Wrong?
  2. Why does popcorn pop?
  3. Your Nose Knows!

Medicine:

  1. Take Two And Call Me In The Morning

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