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  • Helium atom is two times heaven than on hydrogen molecule At 298 k, the average kinetic energy of a helium atom is -Option: 1 Two times that of Hydro

Helium atom is two times heaven than on hydrogen molecule At 298 k, the average kinetic energy of a helium atom is -

Option: 1

Two times that of Hydrogen molecules.


Option: 2

Same as that of a hydrogen molecules.


Option: 3

Four times that of hydrogen molecules.


Option: 4

Half that of Hydrogen molecules.


Answers (1)

best_answer

Acording to kinetic theory, average kinetic energy \mathrm{(E)=\frac{3}{2} k_B T}.
where, \mathrm{k_B} is Boltzmann's constant.

since, it is independent of molar mass, it will be same for He and \mathrm{\mathrm{H}_2} at a given, temperatione.

Posted by

Sayak

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