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The ABCs of Gas

The gas laws were developed at the end of the 18th century, when scientists began to realize that relationships between pressure, volume and temperature of a sample of gas could be obtained which would hold to approximation for all gases. Gases behave in a similar way over a wide variety of conditions because they all have molecules which are widely spaced, and the equation of state for an ideal gas is derived from kinetic theory.

Using chalk drawings and familiar, hands-on examples, Brian Bennett and TED Ed explain gas properties in The ABCs of Gas Avogadro’s Law, Boyle’s Law, and Charles’s Law, via explore-blog.

There are more TED Ed videos in the archives.

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