GENERAL KNOWLEDGE

GK

CHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Under similar conditions of temperature and pressure equal volume of all gases contain equal number of molecules. This is
A
Law of conservation of mass
B
Law of definite proportion
C
Law of multiple proportion
D
Avogadros law
Explanation: 

Detailed explanation-1: -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.

Detailed explanation-2: -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.

Detailed explanation-3: -Avogadro’s Law states that the volume of a gas is directly proportional to the number of moles of gas, when the temperature and pressure are held constant. The mathematical expression of Avogadro’s Law is: V=k×nandV1n1=V2n2.

Detailed explanation-4: -Avogadro’s Law is stated mathematically as follows: Vn=k, where V is the volume of the gas, n is the number of moles of the gas, and k is a proportionality constant.

Detailed explanation-5: -Avogadro law states that equal volumes of all the gases under similar conditions of temperature and pressure contain equal number of molecules.

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