Physics · Kinetic Theory of Gases
Diatomic molecules like hydrogen have energies due to both translational as well as rotational motion. From the equation in kinetic theory pV = 23E, E is
- 1the translational part of the energy because rotational energies of molecules can be of either sign and its a verage over all the molecules is zero.
- 2only the translational part of the energy because during collisions with the wall pressure relates to change in linear momentum.✓
- 3only the translational part of energy because rotational energy is very small compared to the translational energy.
- 4the total energy per unit volume.
Correct answer
only the translational part of the energy because during collisions with the wall pressure relates to change in linear momentum.
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