What was the theory explained by Avogadro?
Avogadro’s law, a statement that under the same conditions of temperature and pressure, equal volumes of different gases contain an equal number of molecules. This empirical relation can be derived from the kinetic theory of gases under the assumption of a perfect (ideal) gas.
Why is Avogadro’s theory important?
Avogadro’s hypothesis is crucially important in the history of chemistry: Avogadro’s hypothesis made it possible to determine relative molar masses. This made it possible to determine molecular formulas for gaseous substances and to create the atomic mass scale.
What experiment did Avogadro?
Amedeo Avogadro is best known for his hypothesis that equal volumes of different gases contain an equal number of molecules, provided they are at the same temperature and pressure. Avogadro was also the first scientist to realize that elements could exist in the form of molecules rather than as individual atoms.
What is Avogadro law class 11?
Avogadro ‘s law is a gas law which states that the total number of atoms or molecules of a gas (representing the amount of gaseous substance) is directly proportional to the volume that the gas occupies at constant temperature and pressure.
What is Avogadro’s law class 11th?
Where did Amedeo Avogadro live?
Turin
Amedeo Avogadro, in full Lorenzo Romano Amedeo Carlo Avogadro, conte di Quaregna e Cerreto, (born August 9, 1776, Turin, in the Kingdom of Sardinia and Piedmont [Italy]—died July 9, 1856, Turin), Italian mathematical physicist who showed in what became known as Avogadro’s law that, under controlled conditions of …
How is the principle of Avogadro’s law derived?
See Article History. Avogadro’s law, a statement that under the same conditions of temperature and pressure, equal volumes of different gases contain an equal number of molecules. This empirical relation can be derived from the kinetic theory of gases under the assumption of a perfect (ideal) gas.
Who is the author of the Avogadro hypothesis?
The Avogadro hypothesis was published by the famous scientist Amadeo Avogadro in the year 1811. He reconciled the atomic theory of Dalton with an “incompatible” view of other scientists like Gay-Lussac and Joseph Louis that stated a few gases were compound of different types of fundamental molecules in integer proportions.
How did Amedeo Avogadro contribute to atomic theory?
This law tended to support Dalton’s atomic theory, but Dalton rejected Gay-Lussac’s work. Avogadro, however, saw it as the key to a better understanding of molecular constituency. In 1811 Avogadro hypothesized that equal volumes of gases at the same temperature and pressure contain equal numbers of molecules.
Which is the correct value of Avogadro’s number?
Avogadro’s number is defined as the number of units in one mole of a substance. This consideration is equal for both the lightest gas (hydrogen) and heavy gases (Bromine or Carbon dioxide). The value of is Avogadro’s Number is 6.022×.