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Avogadro's Law

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Ben Trettin

on 9 April 2014

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Transcript of Avogadro's Law

Avogadro's Law
Ben, Riley R., and Zack

What is the law?
Avogadro's Law states that equal volumes of gas at the same temperature and pressure will contain the same number of molecules.
Research and Discovery
Amedeo Avogadro was teaching natural sciences at a high school in Vercelli, Italy, when he wrote a hypothesis in his notes in 1811, which later became his law. Avogadro was doing studies similar to John Dalton and Joseph Louis Gay-Lussac. They wanted to know why gases act the way they do.
However, Avogadro's Law was not recognized for half a century after it was first published.
Three different substances with the same amount of molecules have equal volumes regardless of their masses.
Applications
balloons
launching projectiles
lungs
tires
Avogadro's Number
Avogadro's number, which is 6.02*10^23, is equal to the number of molecules of a gas in the volume of 22.4 L. This is why heavy gases still hold the same amount of volume as lighter gases that have the same amount of molecules.
As gas increases, the volume will increase equally and the same for when the gas decreases.
Relationships of Avogadro's Law
Full transcript