Question

Discuss the Avogadro's hypothesis

Answer 1

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Avogadro's Hypothesis

Avogadro's hypothesis states that two samples of gas of equal volume, at the same temperature and pressure, contain the same number of molecules. Avogadro's hypothesis allows chemists to predict the behavior of ideal gasses. Amedeo Avogadro made the hypothesis in 1811 in an essay submitted to Journal de Physique. Elaborating on this hypothesis, he asserted the volume of a gas is not dependent on the size or mass of the molecules of the gas. Avogadro's hypothesis was applied in Avogadro's law to show that the volume of a gas (V) is equal to a constant (k) times the number of moles of gas (n), or V=kn.

Answer 2

Hello Mate !!

Equal volume of all gases have equal number of molecules (Not atoms) at same temperature and pressure condition.

Mathematically, For ideal gases, V is directly proposal to n (Constant T&P)

S.T.P (Standard Temperature and pressure)

At S.T.P./N.T.P. Condition :-

temperature = 0°C or 273 K.

Pressure = 1 atom = 760 mm of Hg

Volume of one more of an ideal gas. = 22.4 litre (extremely determined).

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