Helium Atom Is Two Times Heavier Than A Hydrogen Molecule. At 298 K, The Average Kinetic Energy Of The Helium Atoms Is.
Helium atom is two times heavier than a hydrogen molecule. At 298 K, the average kinetic energy
of the helium atoms is.
( 1) two times that of a hydrogen molecule
(2) same as that of a hydrogen molecule
(3) four time that of a hydrogen molecule
(4) half that of a hydrogen molecule
asked Jun 11 12:00:00 AM
Bhushan Mudliyar
1 Answers
-
Answer -
B) Same as that of a hydrogen molecule
Explanation -
Average kinetic energy per molecule does not depend on the nature of the gas.
i.e -
Molecular mass of the gas depends only on the temperature.
Average kinetic energy of per molecule = 3/2 KT
"K = Boltzmann Constant "
"T = Temperature"
asked Oct 16 12:00:00 AM
Sangeeta
Q: 22 A: 1924