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What is Avogadro Hypothesis?
Asked by | 17 Aug, 2022, 08:10: PM
Expert Answer
Dear Student,
The law of Avogadro states that when all gases of equal volumes are mixed at the same pressure and temperature, then it has the same amounts of molecules.
This law is sometimes even called Avogadro's hypothesis.
It is an experimental gas law that relates the gas volume to the quantity of gaseous substance present.
For any specific weight of a gas, the amount and volume of the gas substance is proportional to each other provided that both the pressure and temperature remains constant.
The entire Avogadro's law concluded that different types of gases bearing the same volume, when combined at the same pressure and temperature, possess the same amount of in it.
When the two ideal gases, hydrogen and nitrogen are mixed in equal quantities, they contain the same amounts of molecules in them. This happens only when they are kept at the same pressure and temperature. Thus, this shows the ideal behaviour of gas.
Avogadro principle in mathematical terms:
V / n = K
where,
V = gas volume
n = gaseous substance measured in the form of moles
K = constant defined for particular pressure and temperature
Hence, when compared the same gaseous substance under different conditions, this law can be written as:
V1 / n1 = V2 / n2
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