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In the year 1811, Avogadro made a distinction between atoms and molecules and thereby proposed Avogadro’s law. Avogadro proposed that, “Equal volumes of all gases at the same temperature and pressure contain an equal number of molecules”.
Avogadro's law asserts that equal volumes of various gases contain an equal number of molecules under the same temperature and pressure circumstances. Because it connects temperature, pressure, volume, and amount of material for a particular gas, Avogadro's law is intimately connected to the ideal gas equation.
Avogadro’s law, also known as Avogadro’s principle or Avogadro’s hypothesis, is a gas law which states that the total number of atoms/molecules of a gas (i.e. the amount of gaseous substance) is directly proportional to the volume occupied by the gas at constant temperature and pressure.
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.
Avogadro's law states that "equal volumes of all gases, at the same temperature and pressure, have the same number of molecules." For a given mass of an ideal gas , the volume and amount (moles) of the gas are directly proportional if the temperature and pressure are constant.
Avogadro's law states that "equal volumes of all gases, at the same temperature and pressure, have the same number of molecules." [1] For a given mass of an ideal gas, the volume and amount (moles) of the gas are directly proportional if the temperature and pressure are constant.
Avogadro’s law is a gas law and is also referred to as Avogadro’s hypothesis or Avogadro’s principle. It states that the total number of molecules or atoms of a gas is directly proportional to the volume that the gas occupies at a constant temperature and pressure.
What is Avogadro’s Law? The quantity (number of moles) and volume of an ideal gas are directly proportional to each other for a given mass of the gas at constant temperature and pressure , according to the modern definition of Avogadro’s law.
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.
Avogadro’s law is applicable to the ideal gases and it shows approximate values for the real gases. This law is very much applicable for light element gases such as hydrogen and helium than higher element gases.