The Life of Amadeo Avogadro

Lorenzo Romano Amadeo Carlo Avogadro, was born in Turin, Italy, on the
9th of August, 1776. He was the son of Count Filippo Avogadro and Anna
Maria Vercellone.
Avogadro’s father was a well known lawyer and a civil servant. His father
was made president of the state of Vittorio.
Avogadro went to school in Turin and at the age of twenty he had his
doctrine in ecclesiastical law. In spite of his successful legal career
Avogadro showed interest in natural philosophy. In 1800 Avogadro began
is own private studies of mathematics and physics. Joined with his brother
Felice his first research project was on electricity.
In Avogadro’s time chemistry was just becoming an exact science. John
Dalton was proposing theories about atomic weight etc. Gay-Lussac found
that the ratio’s of volumes of reacting gases were small integer numbers.
These theories made Avogadro start to think about there relationships. In
1811, Avogadro published an article that suggested that equal numbers of all
gases at the same temperature and pressure contain the same number of
molecules. This is known as Avogadro’s Principal.


Avogadro’s Principal was not recognized until a conference in 1960 (after
Avogadro’s death ion 1956) when it was showed that it could not only molar
masses but also indirectly, atomic masses.

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It was after Avogadro that the concept of a mole was introduced. Today the
accepted amount for a mole is 6.02*1023. It is hard to comprehend the size
of a mole, but here are some examples of the size of a mole: One mole of
pop cans would cover the world about 61 meters high. If you took a mole of
unpopped pop corn kernels you could cover the US 2.7m deep.
Avogadro married Felicita Mazze, they had a total of six children.
Avogadro was a modest man who worked in isolation . Avogadro died
exactly one month before his 80th birthday, July 9th 1856.