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JEE CHEMISTRY MCQ: STATES OF MATTER
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Gas at a pressure is contained in a vessel. If the masses of all the molecules are halved and their speed doubled, the resulting pressure P will be equal to:
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Correct option: B
Option B () is correct because pressure is proportional to the number of molecules and the square of their speed, so halving the mass and doubling the speed results in a doubling of the pressure.
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Consider the following statements for kinetic molecular theory of gases
a. Particles of a gas move in all possible directions in straight lines.
b. At any particular time, different particles in the gas have different kinetic energies.
c. Collisions of gas molecules are perfectly inelastic in nature.
The correct statement(s) is/are The compressibility factor of an ideal gas is The relative strength of interionic/intermolecular forces in decreasing order is Compressibility factor of an ideal gas is
a. Particles of a gas move in all possible directions in straight lines.
b. At any particular time, different particles in the gas have different kinetic energies.
c. Collisions of gas molecules are perfectly inelastic in nature.
The correct statement(s) is/are The compressibility factor of an ideal gas is The relative strength of interionic/intermolecular forces in decreasing order is Compressibility factor of an ideal gas is