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Understanding the Empirical Formula in Chemistry
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In chemistry, there are a variety of methods that scientists use to identify a chemical compound, including a molecular formula, molar mass and molecular diagram. The simplest formula of these is known as the empirical formula.
Where does the color come from in purple cabbage?
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Nature uses color in lots of different ways. Find out why some types of cabbage are purple and what this means.
Strong Bases: Properties, Applications and Examples
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In chemistry, the classification of substances into acids and bases is fundamental.
What Is Avogadro's Number?
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That's one seriously big number, and technically Amedeo Avogadro didn't even come up with it. So how did the Italian chemist make such an indelible (numerical) mark on the wonderful world of chemistry?
Chloroplasts Are the Plant Cells That Manufacture Energy
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Chloroplasts are where some of the most miraculous chemistry on Earth goes down.
How Laser Analysis Works
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Laser analysis is advancing everything from forensics and archaeology to health care and art history. Learn how laser analysis technology works.
It's Elementary: The Periodic Table Quiz
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The periodic table of elements was an important turning point in the history of the chemistry. Take HowStuffWorks' periodic table quiz to learn more.
How Do Hand Warmers Work? A Scientific Look
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Hand warmers work through simple chemistry. A massively sped-up version of oxidation (the chemical reaction that makes rust) is to thank.
How Color-changing Ice Cream Works
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Sure, novelty foods can seem gimmicky sometimes, but color-changing ice cream is a treat that's fun for your taste buds and your eyes. Learn the chemistry behind the confection - it's sweeter than you think.
How Atoms Work
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Atoms are in your body, the chair you are sitting in, your desk and even in the air. Learn about the particles that make the universe possible.