What is Avogadro's Law? | Definition with Example

Avagadro’s Law:
It 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 is closely related to the ideal gas equation since it links temperature, pressure, volume, and amount of substance for a given gas.
Expansion and contraction of the lung during the breathing cycle , puncture wheel of bike acquire less surface area then air filled and filling gas in hydrogen balloon are the best example of Avagadro’s law.

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