About Amedeo Avogadro



TIL Amedeo Avogadro died of skin cancer. He never got that nasty mol checked.

  1. Amedeo Avogadro Discovery
  2. Facts About Amedeo Avogadro

Amedeo Avogadro Italian physicist who originated thehypothesis that the equal volumes of all gasses, under thesame pressure and temperature conditions, contain thesame number of molecules. Avogadro made this hypothesisin 1811. It has since been fully proven and is now known asAvogadros law. Avogadro was born in Turin, Italy, an August 9th,1776, to an artistic family.

  • Amedeo Avogadro edo Lorenzo Romano Amedeo Carlo Avogadro di Quaregna e di Cerreto (Turin, 1776ko abuztuaren 9a - Turin, 1856ko uztailaren 9a) fisikari eta kimikari italiarra izan zen.
  • Facts about Amedeo Avogadro 1: date of birth. Avogadro was born on 9 August 1776 and passed away on 9 July 1856. He came from a noble family who lived in Turin. The full name of Avogadro was very long. He was born as Lorenzo Romano Amedeo Carlo Avogadro di Quaregna e di Cerreto.
  • Amedeo Avogadro, Italian mathematical physicist who showed in what became known as Avogadro’s law that, under controlled conditions of temperature and pressure, equal volumes of gases contain an equal number of molecules. Learn more about Avogadro’s life and career.
  • Amedeo Avogadro was a chemist who made great contribution to the “world” of chemistry changed the way others thought about molecules. Amedeo Avogadro, conte di Quaregna e di Cerreto, was born in Turin, Italy on August ninth, 1776 to Count Filippo Avogadro and Anna Maria Vercellone. Both of his parents were very well established lawyers in.

Avogadro practiced law andthen studied physics and mathematics. He was appointedprofessor of physics at Vercelli in 1809. In 1811 he setforth his famous hypothesis, now known as Avogadros law. The law stated that equal volumes of all gasses at the sametemperature and pressure contain the same number ofmolecules.

Avogadros law helped overcome flaws in JohnDaltons atomic theory. Avogadro also distinguishedbetween an atom and a molecule, and made it possible todetermine a correct table of atomic weights. The correctionand standardization of atomic weights began in 1858 whenStanislao Cannizzaro, an Italian chemist, reminded otherchemists about Avogadros work. The hypothesis wasvirtually ignored by chemists because when it was tested in1881 appropriate temperatures were not used by otherscientists. 6. 0221367 x10 23Avogadros number stated that a mole of anysubstance is that quantity of the substance that weighs (ingrams) the same as its molecular weight.

Amedeo Avogadro Discovery

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For example,molecular oxygen, has a weight of 32 grams (16 for eachoxygen atom); one mole of oxygen weighs 32 grams. A moleof a substance always contains the same number molecules–the Avogadros lawas a mole of any substance. Therefore, Avogadros law can be stated in terms of moles,namely that equal volumes of gases at the sametemperature and pressure contain the same number ofmolecules by simply weighing out an equal number ofmoles. Avogadros number itself holds true for allsubstances, what ever there state.

Since the beginning of man, man has been creating new technologies to better the society in which he lives. The history of chemistryhas panned out to be the same way. Chemist’s search and stumble upon new reactions, or find new elements that can help people’s everyday lives. Through the different ages, finding these new reactions has become easier for chemist to create, or find elements because of the technology that is readily available. Amedeo Avogadro was a chemist who made great contribution to the “world” of chemistry changed the way others thought about molecules.

Amedeo Avogadro, conte di Quaregna e di Cerreto, was born in Turin, Italy on August ninth, 1776 to Count Filippo Avogadro and Anna Maria Vercellone. Both of his parents were very well established lawyers in Italy, and Avogadro’s future was heading towards the legal matter of society at a young age. When he was thirteen years old, Avogadro went to college. At sixteen years of age, he became a bachelor of jurisprudence in 1792 and four years later he received his doctorate and began his practice in ecclesiastical law. Even while focusing on a lifestyle and career based in law, Avogadro became interested in natural philosophy and mathematics, and studied them in his private time. In 1809, he became a demonstrator at the Academy of Turin, and in 1809 he became a professor at the College of Vercelli, teaching natural philosophy. After teaching there for eleven years, Avogadro became a professor at the University of Turin and taught mathematical physics.

Throughout the latter part of his life, Avogadro made contributions that have advanced chemistry. He came up with Avogadro’s Law, which states that equal volumes of gases, at the same temperature and pressure, have the same number of molecules. This idea wasn’t widely accepted until after his death, when an Italian chemistStanislao Cannizzaro explained that there were some exceptions to the law. Avogadro’s law supported both the law created by Joseph Louis Gay-Lussac, and John Dalton’s Atomic Theory. Not only did Avogadro create Avogadro’s law, but he also was able to clear the confusion between an atom and a molecule in an article he published in Journal de Physique. He believed that particles were made up molecules, which were made of even smaller units called atoms (or as he referred to them “elementary molecules”).

Thanks to Avogadro, people now do not use the word molecule and atom interchangeably and know how many atoms there are in one mole of a substance. This number is referred to as Avogadro’s constant, or Avogadro’s number and is 6.022 x 10^23 atoms per mole. He did not come up with this number himself, but is called Avogadro’s number because he was the first to recognize that molecules were made up of atoms.

Facts About Amedeo Avogadro

Avogadro’s definitely had a lasting impact on chemistry. The key thing that he discovered was that atoms and molecules were different and therefore one shouldn’t use the words interchangeably. At time in history where “Dalton was the man,” Avogadro found flaws in his thinking and shaped the way chemists think about chemistry and the atom today.