# Constante de avogadro

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Constante de Avogadro - Wikipedia, la enciclopedia libre

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version on Utube.#cesarecatania 's "The #threemen "(260x170cm) is an aesthetically engaging #work of #art and at the same time full of meanings.Realized with a mixed #oil tecnique on #canvasthe #painting wants to embrace all the knowledge from the ancient Greeks to today.The #man on the left is Avogadro(eighteenth century)belonging to the electricity of Enlightenment and known for the eponymous constant N which defines the relationship between the number of atoms necessary to form a mass of…

Surfguppy.com An aid for students learning chemistry at the basic level in high school. Make learning fun! Avogadro constant!

An Exact Value for Avogadro's Number Untangling this constant from Le Gran K could provide a new definition of the gram Ronald Fox, Theodore Hill Avogadro's number, N A , is the fundamental physical constant that links the macroscopic physical world of objects that we can see and feel with the submicroscopic, invisible world of atoms. In theory, N A specifies the exact number of atoms in a palm-sized specimen of a physical element such as carbon or silicon.

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Physicist - Amedeo Avogadro - (Lorenzo Romano Carlo Avogadro di Quarenga e di Ceredo) (1776-1856)

© Steve Gschmeissner/Getty ImagesPhosphate crystals magnification: When measuring microscopic objects, such as these phosphate crystals, chemists use moles, a unit of measurement that was derived using the Avogadro constant. The simplest expression of Avogadro’s number is 6.02x10^23. In the early 1980s, an article in “The Science Teacher” suggested that from 6:02 a.m. to 6:02 p.m., October 23, we should celebrate Mole Day. You do the math. Happy Mole Day!

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Improved measurement results for the Avogadro constant using a 28Si-enriched crystal